./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59352034a8e7fb7bc8ebfc4ca4573abd72388675e4ed8d10658bda7976c62170 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:33:25,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:33:25,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:33:25,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:33:25,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:33:25,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:33:25,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:33:25,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:33:25,928 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:33:25,928 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:33:25,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:33:25,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:33:25,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:33:25,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:33:25,929 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:33:25,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:33:25,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:33:25,929 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:33:25,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:33:25,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:33:25,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:33:25,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:33:25,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:33:25,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:33:25,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:33:25,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:33:25,930 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:33:25,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:33:25,930 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:33:25,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:33:25,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:33:25,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:33:25,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:25,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:33:25,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:33:25,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:33:25,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:33:25,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:25,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:33:25,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:33:25,931 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:33:25,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:33:25,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:33:25,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:33:25,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:33:25,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:33:25,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:33:25,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:33:25,932 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59352034a8e7fb7bc8ebfc4ca4573abd72388675e4ed8d10658bda7976c62170 [2024-12-02 13:33:26,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:33:26,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:33:26,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:33:26,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:33:26,203 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:33:26,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i [2024-12-02 13:33:28,908 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/data/3b818f9b9/af28c36242854282987ee0a4b8bef932/FLAG6e545346f [2024-12-02 13:33:29,116 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:33:29,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i [2024-12-02 13:33:29,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/data/3b818f9b9/af28c36242854282987ee0a4b8bef932/FLAG6e545346f [2024-12-02 13:33:29,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/data/3b818f9b9/af28c36242854282987ee0a4b8bef932 [2024-12-02 13:33:29,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:33:29,142 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:33:29,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:33:29,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:33:29,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:33:29,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb38e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29, skipping insertion in model container [2024-12-02 13:33:29,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:33:29,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i[916,929] [2024-12-02 13:33:29,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:33:29,349 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:33:29,360 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i[916,929] [2024-12-02 13:33:29,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:33:29,402 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:33:29,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29 WrapperNode [2024-12-02 13:33:29,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:33:29,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:33:29,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:33:29,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:33:29,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,442 INFO L138 Inliner]: procedures = 29, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 564 [2024-12-02 13:33:29,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:33:29,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:33:29,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:33:29,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:33:29,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,454 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,478 INFO L175 MemorySlicer]: Split 134 memory accesses to 17 slices as follows [2, 9, 10, 6, 16, 17, 12, 6, 8, 10, 10, 3, 4, 3, 8, 4, 6]. 13 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 3, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-12-02 13:33:29,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,497 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:33:29,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:33:29,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:33:29,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:33:29,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (1/1) ... [2024-12-02 13:33:29,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:29,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:33:29,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:33:29,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-12-02 13:33:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-12-02 13:33:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-12-02 13:33:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-12-02 13:33:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-12-02 13:33:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-12-02 13:33:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-12-02 13:33:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-12-02 13:33:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-12-02 13:33:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:33:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:33:29,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:33:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:33:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:33:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:33:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:33:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 13:33:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 13:33:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 13:33:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 13:33:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 13:33:29,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-12-02 13:33:29,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:33:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 13:33:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-12-02 13:33:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-12-02 13:33:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-12-02 13:33:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#16 [2024-12-02 13:33:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:33:29,572 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:33:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:33:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:33:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:33:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:33:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:33:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:33:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:33:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 13:33:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 13:33:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 13:33:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 13:33:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 13:33:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 13:33:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 13:33:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 13:33:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 13:33:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 13:33:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:33:29,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:33:29,784 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:33:29,786 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:33:30,326 INFO L? ?]: Removed 122 outVars from TransFormulas that were not future-live. [2024-12-02 13:33:30,327 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:33:30,338 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:33:30,338 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:33:30,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:30 BoogieIcfgContainer [2024-12-02 13:33:30,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:33:30,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:33:30,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:33:30,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:33:30,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:33:29" (1/3) ... [2024-12-02 13:33:30,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69548ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:30, skipping insertion in model container [2024-12-02 13:33:30,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:29" (2/3) ... [2024-12-02 13:33:30,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69548ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:30, skipping insertion in model container [2024-12-02 13:33:30,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:30" (3/3) ... [2024-12-02 13:33:30,347 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-88.i [2024-12-02 13:33:30,360 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:33:30,362 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-88.i that has 2 procedures, 119 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:33:30,413 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:33:30,423 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2830c948, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:33:30,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:33:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 99 states have (on average 1.4242424242424243) internal successors, (141), 100 states have internal predecessors, (141), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:33:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:33:30,437 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:30,437 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:30,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:30,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:30,442 INFO L85 PathProgramCache]: Analyzing trace with hash -977501909, now seen corresponding path program 1 times [2024-12-02 13:33:30,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:30,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383203360] [2024-12-02 13:33:30,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:30,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 13:33:30,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:30,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383203360] [2024-12-02 13:33:30,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383203360] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:33:30,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376147245] [2024-12-02 13:33:30,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:30,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:33:30,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:33:30,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:33:30,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:33:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:31,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:33:31,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:33:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 13:33:31,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:33:31,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376147245] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:31,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:33:31,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:33:31,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601029746] [2024-12-02 13:33:31,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:31,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:33:31,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:31,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:33:31,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:33:31,130 INFO L87 Difference]: Start difference. First operand has 119 states, 99 states have (on average 1.4242424242424243) internal successors, (141), 100 states have internal predecessors, (141), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:33:31,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:31,157 INFO L93 Difference]: Finished difference Result 231 states and 361 transitions. [2024-12-02 13:33:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:33:31,159 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-12-02 13:33:31,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:31,164 INFO L225 Difference]: With dead ends: 231 [2024-12-02 13:33:31,164 INFO L226 Difference]: Without dead ends: 115 [2024-12-02 13:33:31,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:33:31,169 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:31,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:31,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-12-02 13:33:31,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-12-02 13:33:31,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 96 states have internal predecessors, (134), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:33:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2024-12-02 13:33:31,204 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 143 [2024-12-02 13:33:31,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:31,205 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2024-12-02 13:33:31,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:33:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2024-12-02 13:33:31,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:33:31,208 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:31,208 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:31,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:33:31,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:33:31,409 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:31,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:31,410 INFO L85 PathProgramCache]: Analyzing trace with hash -124153451, now seen corresponding path program 1 times [2024-12-02 13:33:31,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:31,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354053318] [2024-12-02 13:33:31,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:31,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:31,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:31,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354053318] [2024-12-02 13:33:31,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354053318] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:31,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:31,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:33:31,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101385264] [2024-12-02 13:33:31,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:31,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:33:31,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:31,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:33:31,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:33:31,737 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:31,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:31,794 INFO L93 Difference]: Finished difference Result 230 states and 337 transitions. [2024-12-02 13:33:31,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:33:31,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:33:31,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:31,797 INFO L225 Difference]: With dead ends: 230 [2024-12-02 13:33:31,797 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 13:33:31,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:33:31,799 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:31,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 484 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:31,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 13:33:31,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-12-02 13:33:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 98 states have internal predecessors, (136), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:33:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2024-12-02 13:33:31,824 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 143 [2024-12-02 13:33:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:31,826 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2024-12-02 13:33:31,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2024-12-02 13:33:31,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:33:31,829 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:31,829 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:31,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:33:31,829 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:31,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:31,830 INFO L85 PathProgramCache]: Analyzing trace with hash 555904919, now seen corresponding path program 1 times [2024-12-02 13:33:31,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:31,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129063926] [2024-12-02 13:33:31,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:31,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:32,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:32,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129063926] [2024-12-02 13:33:32,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129063926] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:32,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:32,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:33:32,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458679004] [2024-12-02 13:33:32,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:32,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:33:32,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:32,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:33:32,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:33:32,072 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:32,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:32,108 INFO L93 Difference]: Finished difference Result 234 states and 341 transitions. [2024-12-02 13:33:32,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:33:32,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:33:32,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:32,111 INFO L225 Difference]: With dead ends: 234 [2024-12-02 13:33:32,111 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 13:33:32,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:33:32,112 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:32,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 485 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:32,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 13:33:32,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2024-12-02 13:33:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 100 states have (on average 1.38) internal successors, (138), 100 states have internal predecessors, (138), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:33:32,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 172 transitions. [2024-12-02 13:33:32,123 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 172 transitions. Word has length 143 [2024-12-02 13:33:32,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:32,124 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 172 transitions. [2024-12-02 13:33:32,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 172 transitions. [2024-12-02 13:33:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:33:32,126 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:32,126 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:32,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:33:32,126 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:32,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:32,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1964055015, now seen corresponding path program 1 times [2024-12-02 13:33:32,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:32,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128551478] [2024-12-02 13:33:32,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:32,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:32,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:32,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128551478] [2024-12-02 13:33:32,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128551478] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:32,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:32,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:33:32,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812114039] [2024-12-02 13:33:32,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:32,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:33:32,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:32,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:33:32,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:33:32,310 INFO L87 Difference]: Start difference. First operand 119 states and 172 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:32,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:32,336 INFO L93 Difference]: Finished difference Result 238 states and 345 transitions. [2024-12-02 13:33:32,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:33:32,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:33:32,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:32,339 INFO L225 Difference]: With dead ends: 238 [2024-12-02 13:33:32,339 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 13:33:32,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:33:32,341 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:32,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 487 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:32,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 13:33:32,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-12-02 13:33:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.3725490196078431) internal successors, (140), 102 states have internal predecessors, (140), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:33:32,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 174 transitions. [2024-12-02 13:33:32,351 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 174 transitions. Word has length 143 [2024-12-02 13:33:32,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:32,352 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 174 transitions. [2024-12-02 13:33:32,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:32,352 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 174 transitions. [2024-12-02 13:33:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:33:32,354 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:32,354 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:32,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:33:32,354 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:32,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:32,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1962207973, now seen corresponding path program 1 times [2024-12-02 13:33:32,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:32,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331161142] [2024-12-02 13:33:32,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:32,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:32,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:32,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331161142] [2024-12-02 13:33:32,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331161142] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:32,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:32,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:33:32,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668157796] [2024-12-02 13:33:32,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:32,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:33:32,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:32,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:33:32,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:33:32,847 INFO L87 Difference]: Start difference. First operand 121 states and 174 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:32,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:32,968 INFO L93 Difference]: Finished difference Result 255 states and 365 transitions. [2024-12-02 13:33:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:33:32,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:33:32,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:32,971 INFO L225 Difference]: With dead ends: 255 [2024-12-02 13:33:32,971 INFO L226 Difference]: Without dead ends: 137 [2024-12-02 13:33:32,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:33:32,972 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 93 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:32,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 579 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:33:32,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-12-02 13:33:32,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-12-02 13:33:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 113 states have internal predecessors, (150), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 13:33:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 192 transitions. [2024-12-02 13:33:32,987 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 192 transitions. Word has length 143 [2024-12-02 13:33:32,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:32,988 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 192 transitions. [2024-12-02 13:33:32,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:32,988 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 192 transitions. [2024-12-02 13:33:32,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 13:33:32,990 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:32,990 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:32,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:33:32,990 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:32,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:32,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1473446771, now seen corresponding path program 1 times [2024-12-02 13:33:32,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:32,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630253872] [2024-12-02 13:33:32,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:32,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:33:33,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:33,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630253872] [2024-12-02 13:33:33,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630253872] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:33:33,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884450694] [2024-12-02 13:33:33,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:33,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:33:33,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:33:33,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:33:33,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:33:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:33,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:33:33,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:33:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:33,664 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:33:33,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884450694] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:33,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:33:33,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-12-02 13:33:33,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352978555] [2024-12-02 13:33:33,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:33,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:33:33,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:33,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:33:33,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:33:33,666 INFO L87 Difference]: Start difference. First operand 136 states and 192 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:33,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:33,708 INFO L93 Difference]: Finished difference Result 263 states and 372 transitions. [2024-12-02 13:33:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:33:33,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-12-02 13:33:33,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:33,711 INFO L225 Difference]: With dead ends: 263 [2024-12-02 13:33:33,712 INFO L226 Difference]: Without dead ends: 139 [2024-12-02 13:33:33,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:33:33,713 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:33,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 643 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:33,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-12-02 13:33:33,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-12-02 13:33:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 115 states have (on average 1.3304347826086957) internal successors, (153), 116 states have internal predecessors, (153), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 13:33:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 195 transitions. [2024-12-02 13:33:33,726 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 195 transitions. Word has length 145 [2024-12-02 13:33:33,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:33,726 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 195 transitions. [2024-12-02 13:33:33,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:33,727 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 195 transitions. [2024-12-02 13:33:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 13:33:33,728 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:33,728 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:33,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 13:33:33,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 13:33:33,929 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:33,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:33,930 INFO L85 PathProgramCache]: Analyzing trace with hash 836187951, now seen corresponding path program 1 times [2024-12-02 13:33:33,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:33,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510560715] [2024-12-02 13:33:33,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:33,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:34,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:34,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510560715] [2024-12-02 13:33:34,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510560715] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:34,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:34,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:33:34,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028753830] [2024-12-02 13:33:34,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:34,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:33:34,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:34,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:33:34,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:33:34,238 INFO L87 Difference]: Start difference. First operand 139 states and 195 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:34,341 INFO L93 Difference]: Finished difference Result 267 states and 375 transitions. [2024-12-02 13:33:34,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:33:34,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 13:33:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:34,343 INFO L225 Difference]: With dead ends: 267 [2024-12-02 13:33:34,343 INFO L226 Difference]: Without dead ends: 140 [2024-12-02 13:33:34,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:33:34,345 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 88 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:34,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 741 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:33:34,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-12-02 13:33:34,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2024-12-02 13:33:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 113 states have (on average 1.3274336283185841) internal successors, (150), 114 states have internal predecessors, (150), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 13:33:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 192 transitions. [2024-12-02 13:33:34,353 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 192 transitions. Word has length 146 [2024-12-02 13:33:34,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:34,354 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 192 transitions. [2024-12-02 13:33:34,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2024-12-02 13:33:34,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 13:33:34,356 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:34,356 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:34,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:33:34,356 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:34,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:34,357 INFO L85 PathProgramCache]: Analyzing trace with hash -579006286, now seen corresponding path program 1 times [2024-12-02 13:33:34,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:34,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111143101] [2024-12-02 13:33:34,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:34,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:34,803 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:34,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:34,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111143101] [2024-12-02 13:33:34,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111143101] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:34,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:34,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:33:34,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339311089] [2024-12-02 13:33:34,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:34,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:33:34,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:34,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:33:34,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:33:34,805 INFO L87 Difference]: Start difference. First operand 137 states and 192 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:34,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:35,000 INFO L93 Difference]: Finished difference Result 375 states and 529 transitions. [2024-12-02 13:33:35,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:33:35,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-12-02 13:33:35,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:35,003 INFO L225 Difference]: With dead ends: 375 [2024-12-02 13:33:35,003 INFO L226 Difference]: Without dead ends: 250 [2024-12-02 13:33:35,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:33:35,004 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 160 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:35,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 466 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:33:35,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-12-02 13:33:35,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 200. [2024-12-02 13:33:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 162 states have (on average 1.3209876543209877) internal successors, (214), 162 states have internal predecessors, (214), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:33:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 282 transitions. [2024-12-02 13:33:35,026 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 282 transitions. Word has length 147 [2024-12-02 13:33:35,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:35,026 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 282 transitions. [2024-12-02 13:33:35,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:35,026 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 282 transitions. [2024-12-02 13:33:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 13:33:35,027 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:35,027 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:35,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 13:33:35,028 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:35,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:35,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1033428596, now seen corresponding path program 1 times [2024-12-02 13:33:35,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:35,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781228768] [2024-12-02 13:33:35,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:35,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:35,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:35,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781228768] [2024-12-02 13:33:35,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781228768] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:35,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:35,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:33:35,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311036564] [2024-12-02 13:33:35,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:35,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:33:35,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:35,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:33:35,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:33:35,406 INFO L87 Difference]: Start difference. First operand 200 states and 282 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:35,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:35,714 INFO L93 Difference]: Finished difference Result 396 states and 557 transitions. [2024-12-02 13:33:35,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:33:35,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-12-02 13:33:35,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:35,716 INFO L225 Difference]: With dead ends: 396 [2024-12-02 13:33:35,717 INFO L226 Difference]: Without dead ends: 250 [2024-12-02 13:33:35,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:33:35,718 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 155 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:35,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 824 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:33:35,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-12-02 13:33:35,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 200. [2024-12-02 13:33:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 162 states have (on average 1.3148148148148149) internal successors, (213), 162 states have internal predecessors, (213), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:33:35,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 281 transitions. [2024-12-02 13:33:35,740 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 281 transitions. Word has length 151 [2024-12-02 13:33:35,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:35,740 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 281 transitions. [2024-12-02 13:33:35,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 281 transitions. [2024-12-02 13:33:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 13:33:35,742 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:35,743 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:35,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 13:33:35,743 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:35,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:35,743 INFO L85 PathProgramCache]: Analyzing trace with hash -639061810, now seen corresponding path program 1 times [2024-12-02 13:33:35,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:35,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511210424] [2024-12-02 13:33:35,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:35,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:36,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:36,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511210424] [2024-12-02 13:33:36,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511210424] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:36,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:36,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:33:36,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005554603] [2024-12-02 13:33:36,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:36,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:33:36,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:36,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:33:36,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:33:36,192 INFO L87 Difference]: Start difference. First operand 200 states and 281 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:36,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:36,279 INFO L93 Difference]: Finished difference Result 408 states and 574 transitions. [2024-12-02 13:33:36,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:33:36,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-12-02 13:33:36,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:36,282 INFO L225 Difference]: With dead ends: 408 [2024-12-02 13:33:36,282 INFO L226 Difference]: Without dead ends: 283 [2024-12-02 13:33:36,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:33:36,283 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 68 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:36,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 625 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:36,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-12-02 13:33:36,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 247. [2024-12-02 13:33:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 209 states have (on average 1.354066985645933) internal successors, (283), 209 states have internal predecessors, (283), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:33:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 351 transitions. [2024-12-02 13:33:36,309 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 351 transitions. Word has length 151 [2024-12-02 13:33:36,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:36,309 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 351 transitions. [2024-12-02 13:33:36,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:36,310 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2024-12-02 13:33:36,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:33:36,311 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:36,312 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:36,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 13:33:36,312 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:36,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:36,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1368748281, now seen corresponding path program 1 times [2024-12-02 13:33:36,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:36,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558640592] [2024-12-02 13:33:36,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:36,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:37,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:37,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558640592] [2024-12-02 13:33:37,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558640592] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:37,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:37,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:33:37,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216983161] [2024-12-02 13:33:37,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:37,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:33:37,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:37,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:33:37,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:33:37,149 INFO L87 Difference]: Start difference. First operand 247 states and 351 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:37,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:37,294 INFO L93 Difference]: Finished difference Result 501 states and 703 transitions. [2024-12-02 13:33:37,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:33:37,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:33:37,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:37,298 INFO L225 Difference]: With dead ends: 501 [2024-12-02 13:33:37,298 INFO L226 Difference]: Without dead ends: 347 [2024-12-02 13:33:37,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:33:37,299 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 79 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:37,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 890 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:33:37,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-12-02 13:33:37,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 344. [2024-12-02 13:33:37,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 296 states have (on average 1.337837837837838) internal successors, (396), 297 states have internal predecessors, (396), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 13:33:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 480 transitions. [2024-12-02 13:33:37,332 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 480 transitions. Word has length 152 [2024-12-02 13:33:37,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:37,333 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 480 transitions. [2024-12-02 13:33:37,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 480 transitions. [2024-12-02 13:33:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 13:33:37,335 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:37,336 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:37,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 13:33:37,336 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:37,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:37,336 INFO L85 PathProgramCache]: Analyzing trace with hash 469957576, now seen corresponding path program 1 times [2024-12-02 13:33:37,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:37,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354672559] [2024-12-02 13:33:37,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:37,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:37,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:37,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354672559] [2024-12-02 13:33:37,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354672559] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:37,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:37,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:33:37,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68320212] [2024-12-02 13:33:37,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:37,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:33:37,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:37,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:33:37,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:33:37,734 INFO L87 Difference]: Start difference. First operand 344 states and 480 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:37,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:37,830 INFO L93 Difference]: Finished difference Result 730 states and 1017 transitions. [2024-12-02 13:33:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:33:37,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 153 [2024-12-02 13:33:37,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:37,833 INFO L225 Difference]: With dead ends: 730 [2024-12-02 13:33:37,834 INFO L226 Difference]: Without dead ends: 468 [2024-12-02 13:33:37,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:33:37,835 INFO L435 NwaCegarLoop]: 240 mSDtfsCounter, 174 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:37,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 624 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:33:37,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-12-02 13:33:37,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 346. [2024-12-02 13:33:37,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 298 states have (on average 1.332214765100671) internal successors, (397), 299 states have internal predecessors, (397), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 13:33:37,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 481 transitions. [2024-12-02 13:33:37,868 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 481 transitions. Word has length 153 [2024-12-02 13:33:37,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:37,869 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 481 transitions. [2024-12-02 13:33:37,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 481 transitions. [2024-12-02 13:33:37,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 13:33:37,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:37,872 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:37,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:33:37,872 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:37,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:37,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1448215884, now seen corresponding path program 1 times [2024-12-02 13:33:37,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:37,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483932875] [2024-12-02 13:33:37,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:37,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:37,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:37,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483932875] [2024-12-02 13:33:37,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483932875] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:37,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:37,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:33:37,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475294322] [2024-12-02 13:33:37,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:37,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:33:37,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:37,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:33:37,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:37,988 INFO L87 Difference]: Start difference. First operand 346 states and 481 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:38,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:38,023 INFO L93 Difference]: Finished difference Result 607 states and 846 transitions. [2024-12-02 13:33:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:33:38,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-12-02 13:33:38,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:38,026 INFO L225 Difference]: With dead ends: 607 [2024-12-02 13:33:38,026 INFO L226 Difference]: Without dead ends: 350 [2024-12-02 13:33:38,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:38,028 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:38,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 325 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:38,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-12-02 13:33:38,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2024-12-02 13:33:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 302 states have (on average 1.3278145695364238) internal successors, (401), 303 states have internal predecessors, (401), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 13:33:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 485 transitions. [2024-12-02 13:33:38,061 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 485 transitions. Word has length 154 [2024-12-02 13:33:38,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:38,061 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 485 transitions. [2024-12-02 13:33:38,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 485 transitions. [2024-12-02 13:33:38,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 13:33:38,064 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:38,064 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:38,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 13:33:38,064 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:38,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:38,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1269140613, now seen corresponding path program 1 times [2024-12-02 13:33:38,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:38,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748739334] [2024-12-02 13:33:38,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:38,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:38,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:38,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748739334] [2024-12-02 13:33:38,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748739334] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:38,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:38,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:33:38,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752411145] [2024-12-02 13:33:38,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:38,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:33:38,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:38,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:33:38,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:33:38,778 INFO L87 Difference]: Start difference. First operand 350 states and 485 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:38,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:38,867 INFO L93 Difference]: Finished difference Result 362 states and 497 transitions. [2024-12-02 13:33:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:33:38,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-12-02 13:33:38,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:38,870 INFO L225 Difference]: With dead ends: 362 [2024-12-02 13:33:38,870 INFO L226 Difference]: Without dead ends: 360 [2024-12-02 13:33:38,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:33:38,871 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 105 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:38,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 960 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:38,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-12-02 13:33:38,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2024-12-02 13:33:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 311 states have (on average 1.3183279742765273) internal successors, (410), 312 states have internal predecessors, (410), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 13:33:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 494 transitions. [2024-12-02 13:33:38,903 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 494 transitions. Word has length 154 [2024-12-02 13:33:38,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:38,903 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 494 transitions. [2024-12-02 13:33:38,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 494 transitions. [2024-12-02 13:33:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 13:33:38,905 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:38,905 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:38,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:33:38,905 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:38,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:38,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1270987655, now seen corresponding path program 1 times [2024-12-02 13:33:38,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:38,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399416227] [2024-12-02 13:33:38,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:38,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:39,753 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 33 proven. 15 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:33:39,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:39,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399416227] [2024-12-02 13:33:39,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399416227] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:33:39,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965332357] [2024-12-02 13:33:39,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:39,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:33:39,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:33:39,756 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:33:39,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 13:33:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:40,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-02 13:33:40,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:33:41,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:33:41,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:33:42,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-12-02 13:33:42,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:33:43,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:33:43,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:33:43,380 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 11 proven. 409 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 13:33:43,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:33:44,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2024-12-02 13:33:44,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2024-12-02 13:33:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 51 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-12-02 13:33:44,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965332357] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:33:44,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:33:44,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 16] total 38 [2024-12-02 13:33:44,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280155693] [2024-12-02 13:33:44,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:33:44,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-12-02 13:33:44,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:44,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-12-02 13:33:44,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1188, Unknown=0, NotChecked=0, Total=1406 [2024-12-02 13:33:44,926 INFO L87 Difference]: Start difference. First operand 360 states and 494 transitions. Second operand has 38 states, 32 states have (on average 6.625) internal successors, (212), 35 states have internal predecessors, (212), 15 states have call successors, (51), 6 states have call predecessors, (51), 9 states have return successors, (51), 10 states have call predecessors, (51), 15 states have call successors, (51) [2024-12-02 13:33:47,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:47,032 INFO L93 Difference]: Finished difference Result 958 states and 1289 transitions. [2024-12-02 13:33:47,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 13:33:47,033 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 32 states have (on average 6.625) internal successors, (212), 35 states have internal predecessors, (212), 15 states have call successors, (51), 6 states have call predecessors, (51), 9 states have return successors, (51), 10 states have call predecessors, (51), 15 states have call successors, (51) Word has length 154 [2024-12-02 13:33:47,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:47,037 INFO L225 Difference]: With dead ends: 958 [2024-12-02 13:33:47,037 INFO L226 Difference]: Without dead ends: 685 [2024-12-02 13:33:47,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=851, Invalid=2931, Unknown=0, NotChecked=0, Total=3782 [2024-12-02 13:33:47,039 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 863 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 2407 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:47,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [863 Valid, 2407 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 13:33:47,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-12-02 13:33:47,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 655. [2024-12-02 13:33:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 569 states have (on average 1.3057996485061512) internal successors, (743), 571 states have internal predecessors, (743), 67 states have call successors, (67), 18 states have call predecessors, (67), 18 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:33:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 877 transitions. [2024-12-02 13:33:47,094 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 877 transitions. Word has length 154 [2024-12-02 13:33:47,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:47,094 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 877 transitions. [2024-12-02 13:33:47,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 32 states have (on average 6.625) internal successors, (212), 35 states have internal predecessors, (212), 15 states have call successors, (51), 6 states have call predecessors, (51), 9 states have return successors, (51), 10 states have call predecessors, (51), 15 states have call successors, (51) [2024-12-02 13:33:47,094 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 877 transitions. [2024-12-02 13:33:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 13:33:47,096 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:47,096 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:47,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 13:33:47,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 13:33:47,297 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:47,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:47,298 INFO L85 PathProgramCache]: Analyzing trace with hash -454099741, now seen corresponding path program 1 times [2024-12-02 13:33:47,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:47,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364396563] [2024-12-02 13:33:47,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:47,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:47,692 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:47,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:47,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364396563] [2024-12-02 13:33:47,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364396563] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:47,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:47,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:33:47,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035875739] [2024-12-02 13:33:47,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:47,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:33:47,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:47,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:33:47,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:33:47,694 INFO L87 Difference]: Start difference. First operand 655 states and 877 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:47,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:47,800 INFO L93 Difference]: Finished difference Result 1045 states and 1412 transitions. [2024-12-02 13:33:47,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:33:47,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-12-02 13:33:47,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:47,805 INFO L225 Difference]: With dead ends: 1045 [2024-12-02 13:33:47,805 INFO L226 Difference]: Without dead ends: 786 [2024-12-02 13:33:47,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:33:47,806 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 74 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:47,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 746 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:33:47,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-12-02 13:33:47,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 683. [2024-12-02 13:33:47,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 597 states have (on average 1.3132328308207706) internal successors, (784), 599 states have internal predecessors, (784), 67 states have call successors, (67), 18 states have call predecessors, (67), 18 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:33:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 918 transitions. [2024-12-02 13:33:47,864 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 918 transitions. Word has length 155 [2024-12-02 13:33:47,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:47,864 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 918 transitions. [2024-12-02 13:33:47,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 918 transitions. [2024-12-02 13:33:47,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 13:33:47,866 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:47,866 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:47,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 13:33:47,867 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:47,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:47,867 INFO L85 PathProgramCache]: Analyzing trace with hash -235245023, now seen corresponding path program 1 times [2024-12-02 13:33:47,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:47,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911904892] [2024-12-02 13:33:47,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:47,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:48,197 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:48,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:48,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911904892] [2024-12-02 13:33:48,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911904892] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:48,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:48,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:33:48,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821759254] [2024-12-02 13:33:48,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:48,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:33:48,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:48,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:33:48,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:33:48,199 INFO L87 Difference]: Start difference. First operand 683 states and 918 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:48,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:48,416 INFO L93 Difference]: Finished difference Result 1457 states and 1957 transitions. [2024-12-02 13:33:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:33:48,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-12-02 13:33:48,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:48,421 INFO L225 Difference]: With dead ends: 1457 [2024-12-02 13:33:48,421 INFO L226 Difference]: Without dead ends: 905 [2024-12-02 13:33:48,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:33:48,423 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 154 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:48,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 929 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:33:48,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-12-02 13:33:48,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 701. [2024-12-02 13:33:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 615 states have (on average 1.3040650406504064) internal successors, (802), 617 states have internal predecessors, (802), 67 states have call successors, (67), 18 states have call predecessors, (67), 18 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:33:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 936 transitions. [2024-12-02 13:33:48,479 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 936 transitions. Word has length 155 [2024-12-02 13:33:48,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:48,480 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 936 transitions. [2024-12-02 13:33:48,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:48,480 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 936 transitions. [2024-12-02 13:33:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 13:33:48,482 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:48,482 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:48,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 13:33:48,482 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:48,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:48,482 INFO L85 PathProgramCache]: Analyzing trace with hash 517266725, now seen corresponding path program 1 times [2024-12-02 13:33:48,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:48,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280304339] [2024-12-02 13:33:48,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:48,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:48,589 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:48,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:48,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280304339] [2024-12-02 13:33:48,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280304339] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:48,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:48,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:33:48,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663993137] [2024-12-02 13:33:48,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:48,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:33:48,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:48,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:33:48,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:48,591 INFO L87 Difference]: Start difference. First operand 701 states and 936 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:48,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:48,641 INFO L93 Difference]: Finished difference Result 1257 states and 1692 transitions. [2024-12-02 13:33:48,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:33:48,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-12-02 13:33:48,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:48,645 INFO L225 Difference]: With dead ends: 1257 [2024-12-02 13:33:48,645 INFO L226 Difference]: Without dead ends: 705 [2024-12-02 13:33:48,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:33:48,647 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:48,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 324 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:48,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-12-02 13:33:48,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 705. [2024-12-02 13:33:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 619 states have (on average 1.3021001615508885) internal successors, (806), 621 states have internal predecessors, (806), 67 states have call successors, (67), 18 states have call predecessors, (67), 18 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:33:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 940 transitions. [2024-12-02 13:33:48,698 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 940 transitions. Word has length 156 [2024-12-02 13:33:48,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:48,698 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 940 transitions. [2024-12-02 13:33:48,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 940 transitions. [2024-12-02 13:33:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 13:33:48,700 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:48,700 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:48,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 13:33:48,700 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:48,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:48,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1311898124, now seen corresponding path program 1 times [2024-12-02 13:33:48,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:48,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109570866] [2024-12-02 13:33:48,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:48,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:48,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:48,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109570866] [2024-12-02 13:33:48,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109570866] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:48,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:48,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:33:48,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073608706] [2024-12-02 13:33:48,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:48,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:33:48,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:48,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:33:48,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:33:48,993 INFO L87 Difference]: Start difference. First operand 705 states and 940 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:49,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:49,087 INFO L93 Difference]: Finished difference Result 1152 states and 1537 transitions. [2024-12-02 13:33:49,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:33:49,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 156 [2024-12-02 13:33:49,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:49,092 INFO L225 Difference]: With dead ends: 1152 [2024-12-02 13:33:49,092 INFO L226 Difference]: Without dead ends: 837 [2024-12-02 13:33:49,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:33:49,093 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 158 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:49,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 476 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:49,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-12-02 13:33:49,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 677. [2024-12-02 13:33:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 591 states have (on average 1.2978003384094754) internal successors, (767), 593 states have internal predecessors, (767), 67 states have call successors, (67), 18 states have call predecessors, (67), 18 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:33:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 901 transitions. [2024-12-02 13:33:49,148 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 901 transitions. Word has length 156 [2024-12-02 13:33:49,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:49,148 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 901 transitions. [2024-12-02 13:33:49,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:49,149 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 901 transitions. [2024-12-02 13:33:49,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 13:33:49,150 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:49,150 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:49,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 13:33:49,150 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:49,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:49,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1669449214, now seen corresponding path program 1 times [2024-12-02 13:33:49,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:49,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158642733] [2024-12-02 13:33:49,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:49,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:33:49,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:49,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158642733] [2024-12-02 13:33:49,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158642733] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:49,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:49,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:33:49,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960086673] [2024-12-02 13:33:49,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:49,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:33:49,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:49,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:33:49,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:33:49,714 INFO L87 Difference]: Start difference. First operand 677 states and 901 transitions. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:50,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:50,157 INFO L93 Difference]: Finished difference Result 1532 states and 2043 transitions. [2024-12-02 13:33:50,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:33:50,157 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 158 [2024-12-02 13:33:50,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:50,162 INFO L225 Difference]: With dead ends: 1532 [2024-12-02 13:33:50,162 INFO L226 Difference]: Without dead ends: 978 [2024-12-02 13:33:50,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:33:50,164 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 324 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:50,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 1003 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:33:50,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-12-02 13:33:50,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 917. [2024-12-02 13:33:50,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 799 states have (on average 1.2866082603254068) internal successors, (1028), 803 states have internal predecessors, (1028), 92 states have call successors, (92), 25 states have call predecessors, (92), 25 states have return successors, (92), 88 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 13:33:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1212 transitions. [2024-12-02 13:33:50,234 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1212 transitions. Word has length 158 [2024-12-02 13:33:50,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:50,235 INFO L471 AbstractCegarLoop]: Abstraction has 917 states and 1212 transitions. [2024-12-02 13:33:50,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:33:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1212 transitions. [2024-12-02 13:33:50,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 13:33:50,236 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:50,237 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:50,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 13:33:50,237 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:50,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:50,237 INFO L85 PathProgramCache]: Analyzing trace with hash -396140399, now seen corresponding path program 1 times [2024-12-02 13:33:50,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:50,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470416232] [2024-12-02 13:33:50,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:50,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:33:50,360 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:33:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:33:50,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:33:50,606 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:33:50,607 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:33:50,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 13:33:50,611 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:50,857 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:33:50,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:33:50 BoogieIcfgContainer [2024-12-02 13:33:50,861 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:33:50,861 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:33:50,861 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:33:50,861 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:33:50,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:30" (3/4) ... [2024-12-02 13:33:50,865 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:33:50,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:33:50,866 INFO L158 Benchmark]: Toolchain (without parser) took 21723.76ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 118.2MB in the beginning and 482.3MB in the end (delta: -364.1MB). Peak memory consumption was 125.7MB. Max. memory is 16.1GB. [2024-12-02 13:33:50,866 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:33:50,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.38ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 103.6MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:33:50,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.17ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 100.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:33:50,867 INFO L158 Benchmark]: Boogie Preprocessor took 72.51ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 95.3MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:33:50,867 INFO L158 Benchmark]: RCFGBuilder took 822.49ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 102.0MB in the end (delta: -6.9MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-12-02 13:33:50,868 INFO L158 Benchmark]: TraceAbstraction took 20519.75ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 101.0MB in the beginning and 482.3MB in the end (delta: -381.4MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. [2024-12-02 13:33:50,868 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 629.1MB. Free memory was 482.3MB in the beginning and 482.3MB in the end (delta: 46.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:33:50,869 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.38ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 103.6MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.17ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 100.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.51ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 95.3MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 822.49ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 102.0MB in the end (delta: -6.9MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20519.75ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 101.0MB in the beginning and 482.3MB in the end (delta: -381.4MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 629.1MB. Free memory was 482.3MB in the beginning and 482.3MB in the end (delta: 46.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of bitwiseOr at line 119, overapproximation of bitwiseOr at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L22] signed char var_1_1 = -8; [L23] signed char* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_5 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char* var_1_5_Pointer = &(var_1_5); [L26] unsigned char var_1_6 = 1; [L26] unsigned char var_1_6 = 1; [L27] unsigned char* var_1_6_Pointer = &(var_1_6); [L28] signed char var_1_7 = -1; [L28] signed char var_1_7 = -1; [L29] signed char* var_1_7_Pointer = &(var_1_7); [L30] signed char var_1_8 = -50; [L30] signed char var_1_8 = -50; [L31] signed char* var_1_8_Pointer = &(var_1_8); [L32] signed char var_1_9 = 100; [L32] signed char var_1_9 = 100; [L33] signed char* var_1_9_Pointer = &(var_1_9); [L34] unsigned long int var_1_10 = 25; [L34] unsigned long int var_1_10 = 25; [L35] unsigned long int* var_1_10_Pointer = &(var_1_10); [L36] unsigned long int var_1_11 = 2568920345; [L36] unsigned long int var_1_11 = 2568920345; [L37] unsigned long int* var_1_11_Pointer = &(var_1_11); [L38] unsigned long int var_1_12 = 1191097264; [L38] unsigned long int var_1_12 = 1191097264; [L39] unsigned long int* var_1_12_Pointer = &(var_1_12); [L40] unsigned long int var_1_13 = 1801344522; [L40] unsigned long int var_1_13 = 1801344522; [L41] unsigned long int* var_1_13_Pointer = &(var_1_13); [L42] signed long int var_1_14 = 64; [L42] signed long int var_1_14 = 64; [L43] signed long int* var_1_14_Pointer = &(var_1_14); [L44] signed short int var_1_15 = -16; [L44] signed short int var_1_15 = -16; [L45] signed short int* var_1_15_Pointer = &(var_1_15); [L46] float var_1_16 = 1000000.5; [L46] float var_1_16 = 1000000.5; [L47] float* var_1_16_Pointer = &(var_1_16); [L48] float var_1_17 = 4.5; [L48] float var_1_17 = 4.5; [L49] float* var_1_17_Pointer = &(var_1_17); [L50] unsigned char var_1_18 = 0; [L50] unsigned char var_1_18 = 0; [L51] unsigned char* var_1_18_Pointer = &(var_1_18); [L52] unsigned char var_1_19 = 128; [L52] unsigned char var_1_19 = 128; [L53] unsigned char* var_1_19_Pointer = &(var_1_19); [L54] unsigned long int last_1_var_1_10 = 25; [L55] signed short int last_1_var_1_15 = -16; [L56] unsigned char last_1_var_1_18 = 0; VAL [isInitial=0, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L123] isInitial = 1 [L124] FCALL initially() [L126] CALL updateLastVariables() [L114] EXPR \read(var_1_10) [L114] last_1_var_1_10 = var_1_10 [L115] EXPR \read(var_1_15) [L115] last_1_var_1_15 = var_1_15 [L116] EXPR \read(var_1_18) [L116] last_1_var_1_18 = var_1_18 [L126] RET updateLastVariables() [L127] CALL updateVariables() [L86] var_1_5 = __VERIFIER_nondet_uchar() [L87] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] var_1_6 = __VERIFIER_nondet_uchar() [L90] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L90] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L90] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] var_1_7 = __VERIFIER_nondet_char() [L93] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] var_1_9 = __VERIFIER_nondet_char() [L96] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] var_1_11 = __VERIFIER_nondet_ulong() [L99] EXPR \read(var_1_11) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L99] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L99] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] EXPR \read(var_1_11) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] var_1_12 = __VERIFIER_nondet_ulong() [L102] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L102] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L102] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L104] var_1_13 = __VERIFIER_nondet_ulong() [L105] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L105] CALL assume_abort_if_not(var_1_13 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L105] RET assume_abort_if_not(var_1_13 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L106] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L106] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L106] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] var_1_17 = __VERIFIER_nondet_float() [L108] EXPR \read(var_1_17) [L108] EXPR var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L108] EXPR var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F [L108] EXPR \read(var_1_17) [L108] EXPR var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L108] EXPR (var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L108] EXPR (var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L108] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L108] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L109] var_1_19 = __VERIFIER_nondet_uchar() [L110] EXPR \read(var_1_19) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L110] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L110] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L111] EXPR \read(var_1_19) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L111] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L111] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L127] RET updateVariables() [L128] CALL step() [L60] EXPR last_1_var_1_15 | last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L60] ((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer)) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L60] ((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer)) [L60] EXPR \read(*var_1_5_Pointer) [L60] ((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer)) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L60] COND FALSE !(((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) [L67] EXPR \read(*var_1_7_Pointer) [L67] (*(var_1_1_Pointer)) = (*(var_1_7_Pointer)) [L69] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L69] COND FALSE !((*(var_1_5_Pointer))) [L72] EXPR \read(*var_1_12_Pointer) [L72] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L72] COND TRUE (*(var_1_12_Pointer)) <= (*(var_1_8_Pointer)) [L73] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L73] EXPR (((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))) [L73] EXPR \read(*var_1_8_Pointer) [L73] EXPR (((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L73] (*(var_1_14_Pointer)) = (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))) [L75] (*(var_1_15_Pointer)) = 2 [L76] EXPR \read(*var_1_17_Pointer) [L76] (*(var_1_16_Pointer)) = (*(var_1_17_Pointer)) [L77] EXPR \read(*var_1_19_Pointer) [L77] (*(var_1_18_Pointer)) = (*(var_1_19_Pointer)) [L78] EXPR \read(*var_1_8_Pointer) [L78] EXPR \read(*var_1_1_Pointer) [L78] unsigned char stepLocal_0 = (*(var_1_8_Pointer)) < (*(var_1_1_Pointer)); [L79] stepLocal_0 && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L79] stepLocal_0 && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L79] COND FALSE !(stepLocal_0 && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) [L82] EXPR \read(*var_1_11_Pointer) [L82] EXPR \read(*var_1_13_Pointer) [L82] (*(var_1_10_Pointer)) = ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))) [L128] RET step() [L129] CALL, EXPR property() [L119] EXPR last_1_var_1_15 | last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer)) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer)) [L119] EXPR \read(*var_1_5_Pointer) [L119] EXPR ((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer)) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) [L119] EXPR \read(*var_1_1_Pointer) [L119] EXPR \read(*var_1_7_Pointer) [L119] EXPR (((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1) [L119] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1 [L119] EXPR (*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer)))))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer)))))) [L119] EXPR \read(*var_1_8_Pointer) [L119] EXPR \read(*var_1_1_Pointer) [L119] EXPR ((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))) [L119] EXPR \read(*var_1_10_Pointer) [L119] EXPR \read(*var_1_11_Pointer) [L119] EXPR \read(*var_1_13_Pointer) [L119] EXPR (((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer)))))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1) [L119] EXPR \read(*var_1_12_Pointer) [L119] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1 [L119] EXPR \read(*var_1_14_Pointer) [L119] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))) [L119] EXPR \read(*var_1_8_Pointer) [L119] EXPR (((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1 VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed short int) 2)) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed short int) 2)) [L119] EXPR \read(*var_1_15_Pointer) [L119] EXPR (((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed short int) 2)) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed short int) 2))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_17_Pointer)))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR ((((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed short int) 2))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_17_Pointer)))) [L119] EXPR \read(*var_1_16_Pointer) [L119] EXPR \read(*var_1_17_Pointer) [L119] EXPR ((((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed short int) 2))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_17_Pointer)))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (((((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed short int) 2))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_17_Pointer))))) && ((*(var_1_18_Pointer)) == ((unsigned char) (*(var_1_19_Pointer)))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119] EXPR (((((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed short int) 2))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_17_Pointer))))) && ((*(var_1_18_Pointer)) == ((unsigned char) (*(var_1_19_Pointer)))) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L119-L120] return (((((((((last_1_var_1_15 | last_1_var_1_10) > last_1_var_1_18) && (*(var_1_5_Pointer))) ? (((*(var_1_5_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((signed char) (((((*(var_1_7_Pointer))) > ((*(var_1_9_Pointer)))) ? ((*(var_1_7_Pointer))) : ((*(var_1_9_Pointer))))))) : 1)) && ((((*(var_1_8_Pointer)) < (*(var_1_1_Pointer))) && ((((((*(var_1_9_Pointer))) > ((*(var_1_8_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_8_Pointer))))) == (*(var_1_7_Pointer)))) ? ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))) - 1u)))) : ((*(var_1_10_Pointer)) == ((unsigned long int) ((*(var_1_11_Pointer)) - (*(var_1_13_Pointer))))))) && (((*(var_1_12_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_14_Pointer)) == ((signed long int) (((((*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_8_Pointer))) : ((*(var_1_8_Pointer))))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed short int) 2))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_17_Pointer))))) && ((*(var_1_18_Pointer)) == ((unsigned char) (*(var_1_19_Pointer)))) ; [L129] RET, EXPR property() [L129] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=25, last_1_var_1_15=-16, last_1_var_1_18=0, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_19={19:0}, var_1_19_Pointer={19:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.2s, OverallIterations: 21, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2498 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2498 mSDsluCounter, 14186 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10645 mSDsCounter, 385 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2491 IncrementalHoareTripleChecker+Invalid, 2876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 385 mSolverCounterUnsat, 3541 mSDtfsCounter, 2491 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 763 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 889 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=917occurred in iteration=20, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 826 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 3602 NumberOfCodeBlocks, 3602 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3574 ConstructedInterpolants, 0 QuantifiedInterpolants, 14916 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1965 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 12501/13056 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 13:33:50,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59352034a8e7fb7bc8ebfc4ca4573abd72388675e4ed8d10658bda7976c62170 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:33:52,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:33:53,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:33:53,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:33:53,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:33:53,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:33:53,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:33:53,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:33:53,080 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:33:53,080 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:33:53,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:33:53,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:33:53,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:33:53,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:33:53,080 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:33:53,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:33:53,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:33:53,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:33:53,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:33:53,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:33:53,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:33:53,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:33:53,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:33:53,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:33:53,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:33:53,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:33:53,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:33:53,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:33:53,082 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:33:53,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:33:53,082 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:33:53,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:33:53,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:33:53,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:33:53,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:53,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:33:53,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:33:53,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:33:53,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:33:53,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:53,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:33:53,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:33:53,084 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:33:53,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:33:53,084 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:33:53,084 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:33:53,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:33:53,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:33:53,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:33:53,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:33:53,084 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59352034a8e7fb7bc8ebfc4ca4573abd72388675e4ed8d10658bda7976c62170 [2024-12-02 13:33:53,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:33:53,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:33:53,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:33:53,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:33:53,356 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:33:53,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i [2024-12-02 13:33:56,183 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/data/fce6ae32e/b63ae04d3fef41cc969cb1269d1c5550/FLAGbae1a533b [2024-12-02 13:33:56,375 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:33:56,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i [2024-12-02 13:33:56,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/data/fce6ae32e/b63ae04d3fef41cc969cb1269d1c5550/FLAGbae1a533b [2024-12-02 13:33:56,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/data/fce6ae32e/b63ae04d3fef41cc969cb1269d1c5550 [2024-12-02 13:33:56,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:33:56,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:33:56,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:33:56,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:33:56,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:33:56,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578fb417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56, skipping insertion in model container [2024-12-02 13:33:56,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:33:56,566 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i[916,929] [2024-12-02 13:33:56,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:33:56,640 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:33:56,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-88.i[916,929] [2024-12-02 13:33:56,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:33:56,702 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:33:56,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56 WrapperNode [2024-12-02 13:33:56,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:33:56,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:33:56,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:33:56,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:33:56,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,758 INFO L138 Inliner]: procedures = 36, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 544 [2024-12-02 13:33:56,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:33:56,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:33:56,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:33:56,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:33:56,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,799 INFO L175 MemorySlicer]: Split 134 memory accesses to 17 slices as follows [2, 9, 10, 6, 16, 17, 12, 6, 8, 10, 10, 3, 4, 3, 8, 4, 6]. 13 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 3, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-12-02 13:33:56,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,825 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:33:56,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:33:56,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:33:56,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:33:56,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (1/1) ... [2024-12-02 13:33:56,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:33:56,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:33:56,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:33:56,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:33:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:33:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 13:33:56,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-12-02 13:33:56,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-12-02 13:33:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#16 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 13:33:56,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 13:33:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-12-02 13:33:56,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-12-02 13:33:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-12-02 13:33:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-12-02 13:33:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-12-02 13:33:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-12-02 13:33:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-12-02 13:33:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-12-02 13:33:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 13:33:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 13:33:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 13:33:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 13:33:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 13:33:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 13:33:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-12-02 13:33:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-12-02 13:33:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-12-02 13:33:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#16 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-12-02 13:33:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-12-02 13:33:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:33:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:33:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 13:33:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 13:33:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-12-02 13:33:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-12-02 13:33:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-12-02 13:33:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-12-02 13:33:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-12-02 13:33:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-12-02 13:33:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-12-02 13:33:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#16 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-12-02 13:33:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-12-02 13:33:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-12-02 13:33:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-12-02 13:33:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-12-02 13:33:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-12-02 13:33:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-12-02 13:33:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-12-02 13:33:57,204 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:33:57,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:33:57,798 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-12-02 13:33:57,798 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:33:57,809 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:33:57,810 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:33:57,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:57 BoogieIcfgContainer [2024-12-02 13:33:57,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:33:57,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:33:57,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:33:57,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:33:57,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:33:56" (1/3) ... [2024-12-02 13:33:57,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6795729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:57, skipping insertion in model container [2024-12-02 13:33:57,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:56" (2/3) ... [2024-12-02 13:33:57,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6795729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:57, skipping insertion in model container [2024-12-02 13:33:57,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:57" (3/3) ... [2024-12-02 13:33:57,820 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-88.i [2024-12-02 13:33:57,836 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:33:57,838 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-88.i that has 2 procedures, 111 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:33:57,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:33:57,909 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@697c3b9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:33:57,909 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:33:57,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:33:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 13:33:57,925 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:57,926 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:57,926 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:57,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:57,930 INFO L85 PathProgramCache]: Analyzing trace with hash -700881897, now seen corresponding path program 1 times [2024-12-02 13:33:57,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:33:57,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928688355] [2024-12-02 13:33:57,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:57,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:33:57,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:33:57,944 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:33:57,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 13:33:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:58,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:33:58,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:33:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-12-02 13:33:58,443 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:33:58,444 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:33:58,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928688355] [2024-12-02 13:33:58,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928688355] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:58,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:58,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:33:58,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083190287] [2024-12-02 13:33:58,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:58,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:33:58,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:33:58,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:33:58,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:33:58,474 INFO L87 Difference]: Start difference. First operand has 111 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:33:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:58,507 INFO L93 Difference]: Finished difference Result 215 states and 337 transitions. [2024-12-02 13:33:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:33:58,509 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2024-12-02 13:33:58,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:58,515 INFO L225 Difference]: With dead ends: 215 [2024-12-02 13:33:58,515 INFO L226 Difference]: Without dead ends: 107 [2024-12-02 13:33:58,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:33:58,521 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:58,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:33:58,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-12-02 13:33:58,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-12-02 13:33:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 88 states have internal predecessors, (122), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-12-02 13:33:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2024-12-02 13:33:58,564 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 139 [2024-12-02 13:33:58,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:58,565 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2024-12-02 13:33:58,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:33:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2024-12-02 13:33:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 13:33:58,568 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:58,568 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:58,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 13:33:58,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:33:58,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:58,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:58,769 INFO L85 PathProgramCache]: Analyzing trace with hash -298632831, now seen corresponding path program 1 times [2024-12-02 13:33:58,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:33:58,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577571920] [2024-12-02 13:33:58,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:58,770 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:33:58,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:33:58,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:33:58,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 13:33:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:59,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:33:59,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:00,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:34:00,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:34:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 279 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 13:34:00,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:00,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:34:00,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 25 [2024-12-02 13:34:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 33 proven. 15 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:34:01,622 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:01,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577571920] [2024-12-02 13:34:01,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577571920] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:34:01,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:34:01,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-12-02 13:34:01,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137434767] [2024-12-02 13:34:01,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:34:01,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 13:34:01,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:01,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 13:34:01,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:34:01,626 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand has 15 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-12-02 13:34:02,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:02,649 INFO L93 Difference]: Finished difference Result 323 states and 469 transitions. [2024-12-02 13:34:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:34:02,649 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) Word has length 139 [2024-12-02 13:34:02,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:02,652 INFO L225 Difference]: With dead ends: 323 [2024-12-02 13:34:02,652 INFO L226 Difference]: Without dead ends: 219 [2024-12-02 13:34:02,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:34:02,653 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 393 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:02,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1060 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 13:34:02,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-12-02 13:34:02,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 211. [2024-12-02 13:34:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 173 states have (on average 1.3815028901734103) internal successors, (239), 173 states have internal predecessors, (239), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:34:02,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 307 transitions. [2024-12-02 13:34:02,686 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 307 transitions. Word has length 139 [2024-12-02 13:34:02,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:02,687 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 307 transitions. [2024-12-02 13:34:02,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 7.769230769230769) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-12-02 13:34:02,687 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 307 transitions. [2024-12-02 13:34:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 13:34:02,689 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:02,690 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:02,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 13:34:02,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:02,890 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:02,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:02,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1249123652, now seen corresponding path program 1 times [2024-12-02 13:34:02,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:02,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354081457] [2024-12-02 13:34:02,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:02,892 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:02,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:02,894 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:02,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 13:34:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:03,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:34:03,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:03,263 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:03,263 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:03,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354081457] [2024-12-02 13:34:03,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354081457] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:03,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:03,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:34:03,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595636936] [2024-12-02 13:34:03,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:03,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:34:03,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:03,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:34:03,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:34:03,265 INFO L87 Difference]: Start difference. First operand 211 states and 307 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:03,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:03,330 INFO L93 Difference]: Finished difference Result 433 states and 631 transitions. [2024-12-02 13:34:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:34:03,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-12-02 13:34:03,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:03,332 INFO L225 Difference]: With dead ends: 433 [2024-12-02 13:34:03,333 INFO L226 Difference]: Without dead ends: 225 [2024-12-02 13:34:03,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:34:03,334 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:03,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 724 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:03,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-12-02 13:34:03,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2024-12-02 13:34:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 185 states have (on average 1.3567567567567567) internal successors, (251), 185 states have internal predecessors, (251), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:34:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 319 transitions. [2024-12-02 13:34:03,359 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 319 transitions. Word has length 141 [2024-12-02 13:34:03,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:03,359 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 319 transitions. [2024-12-02 13:34:03,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 319 transitions. [2024-12-02 13:34:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 13:34:03,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:03,362 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:03,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 13:34:03,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:03,562 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:03,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:03,563 INFO L85 PathProgramCache]: Analyzing trace with hash -569065282, now seen corresponding path program 1 times [2024-12-02 13:34:03,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:03,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661649695] [2024-12-02 13:34:03,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:03,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:03,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:03,566 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:03,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 13:34:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:03,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 13:34:03,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:03,868 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:03,869 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:03,869 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:03,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661649695] [2024-12-02 13:34:03,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661649695] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:03,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:03,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:34:03,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292136537] [2024-12-02 13:34:03,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:03,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:34:03,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:03,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:34:03,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:34:03,870 INFO L87 Difference]: Start difference. First operand 223 states and 319 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:03,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:03,956 INFO L93 Difference]: Finished difference Result 453 states and 649 transitions. [2024-12-02 13:34:03,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:34:03,957 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-12-02 13:34:03,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:03,959 INFO L225 Difference]: With dead ends: 453 [2024-12-02 13:34:03,959 INFO L226 Difference]: Without dead ends: 233 [2024-12-02 13:34:03,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:34:03,961 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 1 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:03,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 992 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:03,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-12-02 13:34:03,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2024-12-02 13:34:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 193 states have (on average 1.3419689119170986) internal successors, (259), 193 states have internal predecessors, (259), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:34:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 327 transitions. [2024-12-02 13:34:03,981 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 327 transitions. Word has length 141 [2024-12-02 13:34:03,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:03,981 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 327 transitions. [2024-12-02 13:34:03,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:03,982 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 327 transitions. [2024-12-02 13:34:03,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 13:34:03,984 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:03,984 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:03,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 13:34:04,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:04,184 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:04,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:04,185 INFO L85 PathProgramCache]: Analyzing trace with hash -567218240, now seen corresponding path program 1 times [2024-12-02 13:34:04,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:04,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832511904] [2024-12-02 13:34:04,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:04,186 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:04,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:04,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:04,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 13:34:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:04,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:34:04,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:04,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:34:04,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2024-12-02 13:34:05,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 51 [2024-12-02 13:34:05,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2024-12-02 13:34:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-02 13:34:05,045 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:05,258 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:05,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832511904] [2024-12-02 13:34:05,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832511904] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:05,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:05,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-12-02 13:34:05,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499641177] [2024-12-02 13:34:05,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:05,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:34:05,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:05,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:34:05,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:34:05,259 INFO L87 Difference]: Start difference. First operand 231 states and 327 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:05,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:05,530 INFO L93 Difference]: Finished difference Result 485 states and 680 transitions. [2024-12-02 13:34:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:34:05,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 141 [2024-12-02 13:34:05,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:05,533 INFO L225 Difference]: With dead ends: 485 [2024-12-02 13:34:05,533 INFO L226 Difference]: Without dead ends: 257 [2024-12-02 13:34:05,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:34:05,534 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 269 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:05,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 580 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:34:05,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-12-02 13:34:05,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 243. [2024-12-02 13:34:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 203 states have (on average 1.3251231527093597) internal successors, (269), 203 states have internal predecessors, (269), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:34:05,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 337 transitions. [2024-12-02 13:34:05,553 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 337 transitions. Word has length 141 [2024-12-02 13:34:05,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:05,554 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 337 transitions. [2024-12-02 13:34:05,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:05,554 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 337 transitions. [2024-12-02 13:34:05,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 13:34:05,556 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:05,556 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:05,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 13:34:05,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:05,757 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:05,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:05,757 INFO L85 PathProgramCache]: Analyzing trace with hash -918110542, now seen corresponding path program 1 times [2024-12-02 13:34:05,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:05,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41012503] [2024-12-02 13:34:05,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:05,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:05,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:05,759 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:05,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 13:34:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:06,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:34:06,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:06,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:06,050 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:06,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41012503] [2024-12-02 13:34:06,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41012503] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:06,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:06,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:34:06,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49811372] [2024-12-02 13:34:06,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:06,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:06,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:06,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:06,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:34:06,052 INFO L87 Difference]: Start difference. First operand 243 states and 337 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:06,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:06,089 INFO L93 Difference]: Finished difference Result 489 states and 679 transitions. [2024-12-02 13:34:06,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:34:06,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 143 [2024-12-02 13:34:06,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:06,091 INFO L225 Difference]: With dead ends: 489 [2024-12-02 13:34:06,092 INFO L226 Difference]: Without dead ends: 249 [2024-12-02 13:34:06,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:34:06,093 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:06,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 595 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:06,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-12-02 13:34:06,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2024-12-02 13:34:06,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 209 states have (on average 1.3157894736842106) internal successors, (275), 209 states have internal predecessors, (275), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:34:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 343 transitions. [2024-12-02 13:34:06,108 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 343 transitions. Word has length 143 [2024-12-02 13:34:06,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:06,109 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 343 transitions. [2024-12-02 13:34:06,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:06,109 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 343 transitions. [2024-12-02 13:34:06,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 13:34:06,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:06,110 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:06,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 13:34:06,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:06,311 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:06,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:06,311 INFO L85 PathProgramCache]: Analyzing trace with hash 871741840, now seen corresponding path program 1 times [2024-12-02 13:34:06,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:06,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743860937] [2024-12-02 13:34:06,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:06,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:06,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:06,313 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:06,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 13:34:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:06,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:34:06,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 109 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 13:34:06,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:06,979 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:06,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743860937] [2024-12-02 13:34:06,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743860937] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:06,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:06,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 13:34:06,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453541627] [2024-12-02 13:34:06,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:06,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:06,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:06,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:06,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:34:06,981 INFO L87 Difference]: Start difference. First operand 249 states and 343 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:07,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:07,066 INFO L93 Difference]: Finished difference Result 623 states and 860 transitions. [2024-12-02 13:34:07,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:34:07,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-12-02 13:34:07,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:07,069 INFO L225 Difference]: With dead ends: 623 [2024-12-02 13:34:07,069 INFO L226 Difference]: Without dead ends: 377 [2024-12-02 13:34:07,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:34:07,071 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 66 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:07,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 607 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:07,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-12-02 13:34:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 285. [2024-12-02 13:34:07,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 245 states have (on average 1.3428571428571427) internal successors, (329), 245 states have internal predecessors, (329), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-12-02 13:34:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 397 transitions. [2024-12-02 13:34:07,087 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 397 transitions. Word has length 144 [2024-12-02 13:34:07,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:07,088 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 397 transitions. [2024-12-02 13:34:07,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 397 transitions. [2024-12-02 13:34:07,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 13:34:07,090 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:07,090 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:07,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 13:34:07,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:07,291 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:07,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:07,291 INFO L85 PathProgramCache]: Analyzing trace with hash 799355282, now seen corresponding path program 1 times [2024-12-02 13:34:07,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:07,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040122929] [2024-12-02 13:34:07,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:07,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:07,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:07,293 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:07,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 13:34:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:07,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:34:07,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:07,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:34:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:07,676 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:07,676 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:07,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040122929] [2024-12-02 13:34:07,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040122929] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:07,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:07,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:34:07,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907839996] [2024-12-02 13:34:07,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:07,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:07,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:07,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:07,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:34:07,677 INFO L87 Difference]: Start difference. First operand 285 states and 397 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:07,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:07,814 INFO L93 Difference]: Finished difference Result 791 states and 1101 transitions. [2024-12-02 13:34:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:34:07,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 144 [2024-12-02 13:34:07,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:07,818 INFO L225 Difference]: With dead ends: 791 [2024-12-02 13:34:07,818 INFO L226 Difference]: Without dead ends: 509 [2024-12-02 13:34:07,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:34:07,819 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 145 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:07,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 598 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:07,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-12-02 13:34:07,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 340. [2024-12-02 13:34:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 280 states have (on average 1.3107142857142857) internal successors, (367), 280 states have internal predecessors, (367), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 13:34:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 469 transitions. [2024-12-02 13:34:07,838 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 469 transitions. Word has length 144 [2024-12-02 13:34:07,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:07,838 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 469 transitions. [2024-12-02 13:34:07,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:07,838 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 469 transitions. [2024-12-02 13:34:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 13:34:07,839 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:07,840 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:07,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 13:34:08,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:08,040 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:08,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:08,041 INFO L85 PathProgramCache]: Analyzing trace with hash 523164247, now seen corresponding path program 1 times [2024-12-02 13:34:08,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:08,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128124664] [2024-12-02 13:34:08,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:08,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:08,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:08,043 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:08,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 13:34:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:08,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:34:08,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 109 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 13:34:08,668 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:08,780 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:08,780 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:08,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128124664] [2024-12-02 13:34:08,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128124664] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:08,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:08,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 13:34:08,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578284509] [2024-12-02 13:34:08,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:08,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:08,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:08,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:08,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:34:08,782 INFO L87 Difference]: Start difference. First operand 340 states and 469 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:08,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:08,869 INFO L93 Difference]: Finished difference Result 700 states and 964 transitions. [2024-12-02 13:34:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:34:08,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 145 [2024-12-02 13:34:08,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:08,873 INFO L225 Difference]: With dead ends: 700 [2024-12-02 13:34:08,873 INFO L226 Difference]: Without dead ends: 418 [2024-12-02 13:34:08,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:34:08,874 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 58 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:08,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 580 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:08,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-12-02 13:34:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 348. [2024-12-02 13:34:08,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 288 states have (on average 1.3020833333333333) internal successors, (375), 288 states have internal predecessors, (375), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 13:34:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 477 transitions. [2024-12-02 13:34:08,897 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 477 transitions. Word has length 145 [2024-12-02 13:34:08,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:08,897 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 477 transitions. [2024-12-02 13:34:08,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 477 transitions. [2024-12-02 13:34:08,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 13:34:08,898 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:08,898 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:08,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 13:34:09,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:09,099 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:09,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:09,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1256949642, now seen corresponding path program 1 times [2024-12-02 13:34:09,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:09,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005118582] [2024-12-02 13:34:09,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:09,100 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:09,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:09,102 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:09,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 13:34:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:09,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:34:09,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:09,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-12-02 13:34:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:09,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:09,474 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:09,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005118582] [2024-12-02 13:34:09,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005118582] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:09,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:09,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:34:09,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874651237] [2024-12-02 13:34:09,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:09,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:34:09,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:09,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:34:09,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:34:09,475 INFO L87 Difference]: Start difference. First operand 348 states and 477 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:09,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:09,700 INFO L93 Difference]: Finished difference Result 816 states and 1110 transitions. [2024-12-02 13:34:09,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:34:09,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 13:34:09,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:09,704 INFO L225 Difference]: With dead ends: 816 [2024-12-02 13:34:09,704 INFO L226 Difference]: Without dead ends: 526 [2024-12-02 13:34:09,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:34:09,705 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 78 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:09,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 835 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:09,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-12-02 13:34:09,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 522. [2024-12-02 13:34:09,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 442 states have (on average 1.2873303167420815) internal successors, (569), 444 states have internal predecessors, (569), 67 states have call successors, (67), 12 states have call predecessors, (67), 12 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:34:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 703 transitions. [2024-12-02 13:34:09,742 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 703 transitions. Word has length 146 [2024-12-02 13:34:09,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:09,743 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 703 transitions. [2024-12-02 13:34:09,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 703 transitions. [2024-12-02 13:34:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 13:34:09,744 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:09,745 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:09,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 13:34:09,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:09,945 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:09,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:09,946 INFO L85 PathProgramCache]: Analyzing trace with hash -173080584, now seen corresponding path program 1 times [2024-12-02 13:34:09,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:09,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487574446] [2024-12-02 13:34:09,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:09,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:09,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:09,949 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:09,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-12-02 13:34:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:10,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:34:10,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:10,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 13:34:10,564 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 109 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 13:34:10,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:10,693 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:10,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487574446] [2024-12-02 13:34:10,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487574446] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:10,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:10,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 13:34:10,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332681690] [2024-12-02 13:34:10,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:10,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:10,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:10,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:10,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:34:10,695 INFO L87 Difference]: Start difference. First operand 522 states and 703 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:10,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:10,786 INFO L93 Difference]: Finished difference Result 1118 states and 1509 transitions. [2024-12-02 13:34:10,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:34:10,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 13:34:10,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:10,791 INFO L225 Difference]: With dead ends: 1118 [2024-12-02 13:34:10,791 INFO L226 Difference]: Without dead ends: 654 [2024-12-02 13:34:10,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:34:10,793 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 164 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:10,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 542 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:10,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-12-02 13:34:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 522. [2024-12-02 13:34:10,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 442 states have (on average 1.2828054298642535) internal successors, (567), 444 states have internal predecessors, (567), 67 states have call successors, (67), 12 states have call predecessors, (67), 12 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:34:10,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 701 transitions. [2024-12-02 13:34:10,829 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 701 transitions. Word has length 146 [2024-12-02 13:34:10,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:10,829 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 701 transitions. [2024-12-02 13:34:10,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 701 transitions. [2024-12-02 13:34:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 13:34:10,831 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:10,831 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:10,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-12-02 13:34:11,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:11,031 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:11,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:11,032 INFO L85 PathProgramCache]: Analyzing trace with hash 231910010, now seen corresponding path program 1 times [2024-12-02 13:34:11,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:11,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391332636] [2024-12-02 13:34:11,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:11,032 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:11,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:11,034 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:11,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 13:34:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:11,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:34:11,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:11,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:34:11,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-12-02 13:34:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-02 13:34:11,473 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:11,576 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:11,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391332636] [2024-12-02 13:34:11,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391332636] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:11,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:11,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2024-12-02 13:34:11,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899380790] [2024-12-02 13:34:11,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:11,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:34:11,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:11,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:34:11,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:34:11,577 INFO L87 Difference]: Start difference. First operand 522 states and 701 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:11,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:11,738 INFO L93 Difference]: Finished difference Result 978 states and 1319 transitions. [2024-12-02 13:34:11,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:34:11,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2024-12-02 13:34:11,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:11,741 INFO L225 Difference]: With dead ends: 978 [2024-12-02 13:34:11,741 INFO L226 Difference]: Without dead ends: 514 [2024-12-02 13:34:11,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:34:11,743 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 82 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:11,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 687 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:11,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-12-02 13:34:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 506. [2024-12-02 13:34:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 426 states have (on average 1.284037558685446) internal successors, (547), 428 states have internal predecessors, (547), 67 states have call successors, (67), 12 states have call predecessors, (67), 12 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:34:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 681 transitions. [2024-12-02 13:34:11,777 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 681 transitions. Word has length 146 [2024-12-02 13:34:11,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:11,777 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 681 transitions. [2024-12-02 13:34:11,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 681 transitions. [2024-12-02 13:34:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 13:34:11,779 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:11,779 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:11,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 13:34:11,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:11,979 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:11,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:11,980 INFO L85 PathProgramCache]: Analyzing trace with hash -2131753299, now seen corresponding path program 1 times [2024-12-02 13:34:11,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:11,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7337865] [2024-12-02 13:34:11,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:11,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:11,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:11,983 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:11,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 13:34:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:12,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:34:12,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 109 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 13:34:12,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:12,705 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:12,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7337865] [2024-12-02 13:34:12,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7337865] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:12,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:12,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-12-02 13:34:12,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529433434] [2024-12-02 13:34:12,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:12,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:12,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:12,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:12,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:34:12,707 INFO L87 Difference]: Start difference. First operand 506 states and 681 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:12,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:12,804 INFO L93 Difference]: Finished difference Result 853 states and 1152 transitions. [2024-12-02 13:34:12,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:34:12,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-12-02 13:34:12,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:12,808 INFO L225 Difference]: With dead ends: 853 [2024-12-02 13:34:12,808 INFO L226 Difference]: Without dead ends: 626 [2024-12-02 13:34:12,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:34:12,810 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 71 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:12,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 678 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:12,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-12-02 13:34:12,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 525. [2024-12-02 13:34:12,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 445 states have (on average 1.2921348314606742) internal successors, (575), 447 states have internal predecessors, (575), 67 states have call successors, (67), 12 states have call predecessors, (67), 12 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:34:12,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 709 transitions. [2024-12-02 13:34:12,847 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 709 transitions. Word has length 147 [2024-12-02 13:34:12,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:12,848 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 709 transitions. [2024-12-02 13:34:12,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:12,848 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 709 transitions. [2024-12-02 13:34:12,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 13:34:12,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:12,849 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:12,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 13:34:13,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:13,050 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:13,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:13,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1912898581, now seen corresponding path program 1 times [2024-12-02 13:34:13,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:13,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300190098] [2024-12-02 13:34:13,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:13,051 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:13,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:13,052 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:13,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 13:34:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:13,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:34:13,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:13,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:34:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:13,515 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:13,515 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:13,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300190098] [2024-12-02 13:34:13,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300190098] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:13,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:13,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:34:13,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100286992] [2024-12-02 13:34:13,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:13,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:13,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:13,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:13,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:34:13,516 INFO L87 Difference]: Start difference. First operand 525 states and 709 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:13,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:13,637 INFO L93 Difference]: Finished difference Result 1232 states and 1665 transitions. [2024-12-02 13:34:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:34:13,637 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-12-02 13:34:13,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:13,641 INFO L225 Difference]: With dead ends: 1232 [2024-12-02 13:34:13,641 INFO L226 Difference]: Without dead ends: 765 [2024-12-02 13:34:13,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:34:13,643 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 129 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:13,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 591 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:13,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-12-02 13:34:13,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 581. [2024-12-02 13:34:13,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 501 states have (on average 1.3053892215568863) internal successors, (654), 503 states have internal predecessors, (654), 67 states have call successors, (67), 12 states have call predecessors, (67), 12 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:34:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 788 transitions. [2024-12-02 13:34:13,685 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 788 transitions. Word has length 147 [2024-12-02 13:34:13,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:13,685 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 788 transitions. [2024-12-02 13:34:13,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 788 transitions. [2024-12-02 13:34:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 13:34:13,686 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:13,686 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:13,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-12-02 13:34:13,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:13,887 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:13,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:13,888 INFO L85 PathProgramCache]: Analyzing trace with hash 159670609, now seen corresponding path program 1 times [2024-12-02 13:34:13,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:13,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614170322] [2024-12-02 13:34:13,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:13,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:13,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:13,891 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:13,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 13:34:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:14,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:34:14,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:14,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:14,185 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:14,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614170322] [2024-12-02 13:34:14,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614170322] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:14,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:14,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:34:14,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435701360] [2024-12-02 13:34:14,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:14,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:34:14,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:14,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:34:14,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:14,186 INFO L87 Difference]: Start difference. First operand 581 states and 788 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:14,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:14,223 INFO L93 Difference]: Finished difference Result 1068 states and 1453 transitions. [2024-12-02 13:34:14,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:34:14,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-12-02 13:34:14,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:14,225 INFO L225 Difference]: With dead ends: 1068 [2024-12-02 13:34:14,226 INFO L226 Difference]: Without dead ends: 589 [2024-12-02 13:34:14,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:14,226 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:14,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 301 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:14,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-12-02 13:34:14,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 589. [2024-12-02 13:34:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 509 states have (on average 1.300589390962672) internal successors, (662), 511 states have internal predecessors, (662), 67 states have call successors, (67), 12 states have call predecessors, (67), 12 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:34:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 796 transitions. [2024-12-02 13:34:14,265 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 796 transitions. Word has length 148 [2024-12-02 13:34:14,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:14,265 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 796 transitions. [2024-12-02 13:34:14,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 796 transitions. [2024-12-02 13:34:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 13:34:14,266 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:14,267 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:14,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-12-02 13:34:14,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:14,467 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:14,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1026341733, now seen corresponding path program 1 times [2024-12-02 13:34:14,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:14,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646687230] [2024-12-02 13:34:14,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:14,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:14,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:14,469 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:14,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-12-02 13:34:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:14,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:34:14,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:14,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:14,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:14,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646687230] [2024-12-02 13:34:14,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646687230] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:14,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:14,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:34:14,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143182975] [2024-12-02 13:34:14,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:14,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:34:14,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:14,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:34:14,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:14,742 INFO L87 Difference]: Start difference. First operand 589 states and 796 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:14,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:14,769 INFO L93 Difference]: Finished difference Result 1065 states and 1443 transitions. [2024-12-02 13:34:14,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:34:14,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-12-02 13:34:14,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:14,773 INFO L225 Difference]: With dead ends: 1065 [2024-12-02 13:34:14,773 INFO L226 Difference]: Without dead ends: 593 [2024-12-02 13:34:14,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:14,774 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:14,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:14,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-12-02 13:34:14,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2024-12-02 13:34:14,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 513 states have (on average 1.2982456140350878) internal successors, (666), 515 states have internal predecessors, (666), 67 states have call successors, (67), 12 states have call predecessors, (67), 12 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:34:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 800 transitions. [2024-12-02 13:34:14,794 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 800 transitions. Word has length 148 [2024-12-02 13:34:14,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:14,794 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 800 transitions. [2024-12-02 13:34:14,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 800 transitions. [2024-12-02 13:34:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 13:34:14,796 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:14,796 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:14,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-12-02 13:34:14,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:14,996 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:14,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:14,997 INFO L85 PathProgramCache]: Analyzing trace with hash 896092934, now seen corresponding path program 1 times [2024-12-02 13:34:14,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:14,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433195685] [2024-12-02 13:34:14,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:14,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:14,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:14,999 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:15,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-12-02 13:34:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:15,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:34:15,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:16,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:34:16,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:34:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 279 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 13:34:16,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:16,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:34:16,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 25 [2024-12-02 13:34:16,913 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 33 proven. 15 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 13:34:16,913 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:16,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433195685] [2024-12-02 13:34:16,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433195685] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:34:16,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:34:16,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-12-02 13:34:16,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636542729] [2024-12-02 13:34:16,913 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:34:16,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 13:34:16,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:16,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 13:34:16,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:34:16,915 INFO L87 Difference]: Start difference. First operand 593 states and 800 transitions. Second operand has 15 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 6 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-12-02 13:34:17,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:17,757 INFO L93 Difference]: Finished difference Result 1097 states and 1475 transitions. [2024-12-02 13:34:17,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:34:17,758 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 6 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) Word has length 148 [2024-12-02 13:34:17,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:17,761 INFO L225 Difference]: With dead ends: 1097 [2024-12-02 13:34:17,761 INFO L226 Difference]: Without dead ends: 621 [2024-12-02 13:34:17,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:34:17,762 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 501 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:17,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 991 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:34:17,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-12-02 13:34:17,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 593. [2024-12-02 13:34:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 513 states have (on average 1.2943469785575048) internal successors, (664), 515 states have internal predecessors, (664), 67 states have call successors, (67), 12 states have call predecessors, (67), 12 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:34:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 798 transitions. [2024-12-02 13:34:17,790 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 798 transitions. Word has length 148 [2024-12-02 13:34:17,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:17,790 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 798 transitions. [2024-12-02 13:34:17,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 6 states have call successors, (34), 4 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-12-02 13:34:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 798 transitions. [2024-12-02 13:34:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 13:34:17,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:17,792 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:17,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-12-02 13:34:17,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:17,992 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:17,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:17,993 INFO L85 PathProgramCache]: Analyzing trace with hash -422583160, now seen corresponding path program 1 times [2024-12-02 13:34:17,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:17,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302718093] [2024-12-02 13:34:17,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:17,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:17,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:17,995 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:17,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-12-02 13:34:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:18,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:34:18,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 109 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 13:34:18,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:18,644 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:18,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302718093] [2024-12-02 13:34:18,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302718093] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:18,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:18,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 13:34:18,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177533938] [2024-12-02 13:34:18,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:18,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:18,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:18,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:18,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:34:18,646 INFO L87 Difference]: Start difference. First operand 593 states and 798 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:18,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:18,723 INFO L93 Difference]: Finished difference Result 990 states and 1326 transitions. [2024-12-02 13:34:18,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:34:18,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2024-12-02 13:34:18,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:18,726 INFO L225 Difference]: With dead ends: 990 [2024-12-02 13:34:18,726 INFO L226 Difference]: Without dead ends: 721 [2024-12-02 13:34:18,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:34:18,727 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 67 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:18,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 581 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:18,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-12-02 13:34:18,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 573. [2024-12-02 13:34:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 493 states have (on average 1.2839756592292089) internal successors, (633), 495 states have internal predecessors, (633), 67 states have call successors, (67), 12 states have call predecessors, (67), 12 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:34:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 767 transitions. [2024-12-02 13:34:18,765 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 767 transitions. Word has length 148 [2024-12-02 13:34:18,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:18,765 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 767 transitions. [2024-12-02 13:34:18,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 767 transitions. [2024-12-02 13:34:18,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:18,767 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:18,767 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:18,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2024-12-02 13:34:18,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:18,967 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:18,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:18,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1619674166, now seen corresponding path program 1 times [2024-12-02 13:34:18,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:18,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270878119] [2024-12-02 13:34:18,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:18,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:18,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:18,970 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:18,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-12-02 13:34:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:19,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:34:19,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:19,515 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:19,516 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:19,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270878119] [2024-12-02 13:34:19,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270878119] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:19,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:19,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:34:19,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615959824] [2024-12-02 13:34:19,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:19,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:34:19,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:19,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:34:19,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:34:19,517 INFO L87 Difference]: Start difference. First operand 573 states and 767 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:19,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:19,921 INFO L93 Difference]: Finished difference Result 1175 states and 1568 transitions. [2024-12-02 13:34:19,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:34:19,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:19,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:19,925 INFO L225 Difference]: With dead ends: 1175 [2024-12-02 13:34:19,925 INFO L226 Difference]: Without dead ends: 701 [2024-12-02 13:34:19,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:34:19,927 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 230 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:19,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 773 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:34:19,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-12-02 13:34:19,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 682. [2024-12-02 13:34:19,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 581 states have (on average 1.2685025817555937) internal successors, (737), 584 states have internal predecessors, (737), 84 states have call successors, (84), 16 states have call predecessors, (84), 16 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2024-12-02 13:34:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 905 transitions. [2024-12-02 13:34:19,973 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 905 transitions. Word has length 150 [2024-12-02 13:34:19,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:19,973 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 905 transitions. [2024-12-02 13:34:19,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 905 transitions. [2024-12-02 13:34:19,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:19,974 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:19,974 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:19,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-12-02 13:34:20,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:20,175 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:20,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:20,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1853492789, now seen corresponding path program 1 times [2024-12-02 13:34:20,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:20,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295276477] [2024-12-02 13:34:20,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:20,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:20,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:20,177 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:20,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-12-02 13:34:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:20,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 13:34:20,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:20,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 13:34:20,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 13:34:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:20,527 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:20,527 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:20,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295276477] [2024-12-02 13:34:20,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295276477] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:20,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:20,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:34:20,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058506816] [2024-12-02 13:34:20,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:20,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:34:20,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:20,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:34:20,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:34:20,528 INFO L87 Difference]: Start difference. First operand 682 states and 905 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:20,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:20,631 INFO L93 Difference]: Finished difference Result 1263 states and 1677 transitions. [2024-12-02 13:34:20,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:34:20,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:20,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:20,635 INFO L225 Difference]: With dead ends: 1263 [2024-12-02 13:34:20,635 INFO L226 Difference]: Without dead ends: 682 [2024-12-02 13:34:20,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:34:20,636 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 131 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:20,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 780 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:20,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-12-02 13:34:20,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2024-12-02 13:34:20,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 581 states have (on average 1.2598967297762478) internal successors, (732), 584 states have internal predecessors, (732), 84 states have call successors, (84), 16 states have call predecessors, (84), 16 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2024-12-02 13:34:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 900 transitions. [2024-12-02 13:34:20,699 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 900 transitions. Word has length 150 [2024-12-02 13:34:20,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:20,700 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 900 transitions. [2024-12-02 13:34:20,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:20,700 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 900 transitions. [2024-12-02 13:34:20,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:20,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:20,702 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:20,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-12-02 13:34:20,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:20,903 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:20,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:20,903 INFO L85 PathProgramCache]: Analyzing trace with hash 664620103, now seen corresponding path program 1 times [2024-12-02 13:34:20,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:20,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560051119] [2024-12-02 13:34:20,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:20,904 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:20,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:20,906 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:20,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-12-02 13:34:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:21,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:34:21,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:21,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:34:21,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2024-12-02 13:34:21,638 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 13:34:21,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:21,791 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:21,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560051119] [2024-12-02 13:34:21,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560051119] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:21,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:21,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2024-12-02 13:34:21,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226506622] [2024-12-02 13:34:21,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:21,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:34:21,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:21,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:34:21,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:34:21,792 INFO L87 Difference]: Start difference. First operand 682 states and 900 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:21,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:21,898 INFO L93 Difference]: Finished difference Result 711 states and 930 transitions. [2024-12-02 13:34:21,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:34:21,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:21,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:21,901 INFO L225 Difference]: With dead ends: 711 [2024-12-02 13:34:21,901 INFO L226 Difference]: Without dead ends: 709 [2024-12-02 13:34:21,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:34:21,902 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 101 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:21,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 906 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:21,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-12-02 13:34:21,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 701. [2024-12-02 13:34:21,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 600 states have (on average 1.2516666666666667) internal successors, (751), 603 states have internal predecessors, (751), 82 states have call successors, (82), 18 states have call predecessors, (82), 18 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2024-12-02 13:34:21,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 915 transitions. [2024-12-02 13:34:21,928 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 915 transitions. Word has length 150 [2024-12-02 13:34:21,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:21,928 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 915 transitions. [2024-12-02 13:34:21,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:21,929 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 915 transitions. [2024-12-02 13:34:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:21,929 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:21,929 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:21,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-12-02 13:34:22,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:22,130 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:22,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:22,130 INFO L85 PathProgramCache]: Analyzing trace with hash 666467145, now seen corresponding path program 1 times [2024-12-02 13:34:22,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:22,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352358005] [2024-12-02 13:34:22,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:22,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:22,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:22,132 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:22,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-12-02 13:34:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:22,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 13:34:22,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:23,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:34:23,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-12-02 13:34:23,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 77 [2024-12-02 13:34:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 13:34:23,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:23,811 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:23,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [352358005] [2024-12-02 13:34:23,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [352358005] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:23,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1511683442] [2024-12-02 13:34:23,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:23,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:34:23,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:34:23,813 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:34:23,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-02 13:34:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:24,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 13:34:24,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:25,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:34:26,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:34:26,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-12-02 13:34:26,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 77 [2024-12-02 13:34:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 13:34:26,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:26,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1511683442] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:26,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:34:26,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-12-02 13:34:26,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130672843] [2024-12-02 13:34:26,772 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:34:26,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 13:34:26,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:26,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 13:34:26,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:34:26,773 INFO L87 Difference]: Start difference. First operand 701 states and 915 transitions. Second operand has 16 states, 16 states have (on average 8.5) internal successors, (136), 15 states have internal predecessors, (136), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-12-02 13:34:28,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:28,154 INFO L93 Difference]: Finished difference Result 1961 states and 2548 transitions. [2024-12-02 13:34:28,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:34:28,155 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.5) internal successors, (136), 15 states have internal predecessors, (136), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 150 [2024-12-02 13:34:28,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:28,158 INFO L225 Difference]: With dead ends: 1961 [2024-12-02 13:34:28,158 INFO L226 Difference]: Without dead ends: 1361 [2024-12-02 13:34:28,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:34:28,160 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 480 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:28,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 1661 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:34:28,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2024-12-02 13:34:28,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1351. [2024-12-02 13:34:28,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1165 states have (on average 1.248068669527897) internal successors, (1454), 1173 states have internal predecessors, (1454), 149 states have call successors, (149), 36 states have call predecessors, (149), 36 states have return successors, (149), 141 states have call predecessors, (149), 149 states have call successors, (149) [2024-12-02 13:34:28,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1752 transitions. [2024-12-02 13:34:28,272 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1752 transitions. Word has length 150 [2024-12-02 13:34:28,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:28,273 INFO L471 AbstractCegarLoop]: Abstraction has 1351 states and 1752 transitions. [2024-12-02 13:34:28,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.5) internal successors, (136), 15 states have internal predecessors, (136), 4 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-12-02 13:34:28,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1752 transitions. [2024-12-02 13:34:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:28,275 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:28,275 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:28,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-12-02 13:34:28,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-02 13:34:28,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:34:28,676 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:28,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:28,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1173434419, now seen corresponding path program 1 times [2024-12-02 13:34:28,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:28,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944030216] [2024-12-02 13:34:28,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:28,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:28,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:28,678 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:28,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-12-02 13:34:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:28,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:34:28,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:29,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-12-02 13:34:29,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-12-02 13:34:29,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-12-02 13:34:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:29,312 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:29,312 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:29,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944030216] [2024-12-02 13:34:29,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944030216] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:29,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:29,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:34:29,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402420778] [2024-12-02 13:34:29,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:29,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:34:29,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:29,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:34:29,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:34:29,314 INFO L87 Difference]: Start difference. First operand 1351 states and 1752 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:30,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:30,043 INFO L93 Difference]: Finished difference Result 3331 states and 4298 transitions. [2024-12-02 13:34:30,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:34:30,043 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:30,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:30,048 INFO L225 Difference]: With dead ends: 3331 [2024-12-02 13:34:30,048 INFO L226 Difference]: Without dead ends: 2138 [2024-12-02 13:34:30,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:34:30,050 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 219 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 1638 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:30,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 1638 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:34:30,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2024-12-02 13:34:30,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1665. [2024-12-02 13:34:30,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1479 states have (on average 1.2616632860040569) internal successors, (1866), 1487 states have internal predecessors, (1866), 149 states have call successors, (149), 36 states have call predecessors, (149), 36 states have return successors, (149), 141 states have call predecessors, (149), 149 states have call successors, (149) [2024-12-02 13:34:30,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2164 transitions. [2024-12-02 13:34:30,130 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2164 transitions. Word has length 150 [2024-12-02 13:34:30,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:30,130 INFO L471 AbstractCegarLoop]: Abstraction has 1665 states and 2164 transitions. [2024-12-02 13:34:30,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:30,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2164 transitions. [2024-12-02 13:34:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:30,132 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:30,132 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:30,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-12-02 13:34:30,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:30,333 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:30,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:30,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1760240433, now seen corresponding path program 1 times [2024-12-02 13:34:30,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:30,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827245124] [2024-12-02 13:34:30,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:30,334 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:30,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:30,335 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:30,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-12-02 13:34:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:30,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:34:30,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:30,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:34:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:30,854 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:30,854 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:30,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827245124] [2024-12-02 13:34:30,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827245124] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:30,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:30,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:34:30,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838612807] [2024-12-02 13:34:30,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:30,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:34:30,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:30,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:34:30,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:34:30,855 INFO L87 Difference]: Start difference. First operand 1665 states and 2164 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:30,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:30,994 INFO L93 Difference]: Finished difference Result 3160 states and 4107 transitions. [2024-12-02 13:34:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:34:30,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:30,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:31,001 INFO L225 Difference]: With dead ends: 3160 [2024-12-02 13:34:31,001 INFO L226 Difference]: Without dead ends: 1683 [2024-12-02 13:34:31,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:34:31,003 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 63 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:31,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 434 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:31,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2024-12-02 13:34:31,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1665. [2024-12-02 13:34:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1479 states have (on average 1.2535496957403651) internal successors, (1854), 1487 states have internal predecessors, (1854), 149 states have call successors, (149), 36 states have call predecessors, (149), 36 states have return successors, (149), 141 states have call predecessors, (149), 149 states have call successors, (149) [2024-12-02 13:34:31,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2152 transitions. [2024-12-02 13:34:31,102 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2152 transitions. Word has length 150 [2024-12-02 13:34:31,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:31,102 INFO L471 AbstractCegarLoop]: Abstraction has 1665 states and 2152 transitions. [2024-12-02 13:34:31,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2152 transitions. [2024-12-02 13:34:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:31,104 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:31,104 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:31,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-12-02 13:34:31,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:31,304 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:31,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:31,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1505061110, now seen corresponding path program 1 times [2024-12-02 13:34:31,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:31,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197223909] [2024-12-02 13:34:31,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:31,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:31,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:31,307 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:31,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-12-02 13:34:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:31,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:34:31,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:31,979 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:31,979 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:31,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197223909] [2024-12-02 13:34:31,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197223909] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:31,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:31,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:34:31,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710443022] [2024-12-02 13:34:31,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:31,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:34:31,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:31,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:34:31,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:34:31,980 INFO L87 Difference]: Start difference. First operand 1665 states and 2152 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:32,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:32,453 INFO L93 Difference]: Finished difference Result 3189 states and 4123 transitions. [2024-12-02 13:34:32,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:34:32,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:32,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:32,457 INFO L225 Difference]: With dead ends: 3189 [2024-12-02 13:34:32,457 INFO L226 Difference]: Without dead ends: 1712 [2024-12-02 13:34:32,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:34:32,459 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 185 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:32,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 735 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:34:32,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2024-12-02 13:34:32,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1657. [2024-12-02 13:34:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1657 states, 1471 states have (on average 1.2494901427600271) internal successors, (1838), 1479 states have internal predecessors, (1838), 149 states have call successors, (149), 36 states have call predecessors, (149), 36 states have return successors, (149), 141 states have call predecessors, (149), 149 states have call successors, (149) [2024-12-02 13:34:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 2136 transitions. [2024-12-02 13:34:32,544 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 2136 transitions. Word has length 150 [2024-12-02 13:34:32,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:32,544 INFO L471 AbstractCegarLoop]: Abstraction has 1657 states and 2136 transitions. [2024-12-02 13:34:32,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2136 transitions. [2024-12-02 13:34:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:32,546 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:32,546 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:32,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-12-02 13:34:32,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:32,746 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:32,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:32,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1245820977, now seen corresponding path program 1 times [2024-12-02 13:34:32,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:32,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286003969] [2024-12-02 13:34:32,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:32,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:32,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:32,749 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:32,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-12-02 13:34:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:33,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:34:33,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:33,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 13:34:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:33,254 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:33,255 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:33,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286003969] [2024-12-02 13:34:33,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286003969] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:33,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:33,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:34:33,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166690765] [2024-12-02 13:34:33,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:33,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:34:33,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:33,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:34:33,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:34:33,257 INFO L87 Difference]: Start difference. First operand 1657 states and 2136 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:33,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:33,437 INFO L93 Difference]: Finished difference Result 2876 states and 3697 transitions. [2024-12-02 13:34:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:34:33,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:33,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:33,440 INFO L225 Difference]: With dead ends: 2876 [2024-12-02 13:34:33,440 INFO L226 Difference]: Without dead ends: 1377 [2024-12-02 13:34:33,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:34:33,442 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 82 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:33,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 448 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:33,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2024-12-02 13:34:33,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1359. [2024-12-02 13:34:33,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1173 states have (on average 1.227621483375959) internal successors, (1440), 1181 states have internal predecessors, (1440), 149 states have call successors, (149), 36 states have call predecessors, (149), 36 states have return successors, (149), 141 states have call predecessors, (149), 149 states have call successors, (149) [2024-12-02 13:34:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1738 transitions. [2024-12-02 13:34:33,530 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1738 transitions. Word has length 150 [2024-12-02 13:34:33,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:33,530 INFO L471 AbstractCegarLoop]: Abstraction has 1359 states and 1738 transitions. [2024-12-02 13:34:33,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1738 transitions. [2024-12-02 13:34:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:33,531 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:33,532 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:33,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-12-02 13:34:33,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:33,732 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:33,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:33,732 INFO L85 PathProgramCache]: Analyzing trace with hash -576673775, now seen corresponding path program 1 times [2024-12-02 13:34:33,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:33,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196262971] [2024-12-02 13:34:33,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:33,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:33,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:33,734 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:33,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-12-02 13:34:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:34,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 13:34:34,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:35,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:34:35,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 13:34:35,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:34:35,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 13:34:35,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 13:34:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 10 proven. 414 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:34:37,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:38,342 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:38,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196262971] [2024-12-02 13:34:38,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196262971] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:38,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:38,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 25 [2024-12-02 13:34:38,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854963113] [2024-12-02 13:34:38,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:38,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:34:38,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:38,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:34:38,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=509, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:34:38,343 INFO L87 Difference]: Start difference. First operand 1359 states and 1738 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:39,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:39,495 INFO L93 Difference]: Finished difference Result 2629 states and 3398 transitions. [2024-12-02 13:34:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:34:39,496 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:39,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:39,500 INFO L225 Difference]: With dead ends: 2629 [2024-12-02 13:34:39,500 INFO L226 Difference]: Without dead ends: 2101 [2024-12-02 13:34:39,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2024-12-02 13:34:39,502 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 226 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:39,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 990 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:34:39,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2024-12-02 13:34:39,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 1489. [2024-12-02 13:34:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 1303 states have (on average 1.2463545663852649) internal successors, (1624), 1311 states have internal predecessors, (1624), 149 states have call successors, (149), 36 states have call predecessors, (149), 36 states have return successors, (149), 141 states have call predecessors, (149), 149 states have call successors, (149) [2024-12-02 13:34:39,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 1922 transitions. [2024-12-02 13:34:39,590 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 1922 transitions. Word has length 150 [2024-12-02 13:34:39,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:39,590 INFO L471 AbstractCegarLoop]: Abstraction has 1489 states and 1922 transitions. [2024-12-02 13:34:39,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:39,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1922 transitions. [2024-12-02 13:34:39,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:39,591 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:39,592 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:39,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-12-02 13:34:39,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:39,792 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:39,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:39,792 INFO L85 PathProgramCache]: Analyzing trace with hash 2129945619, now seen corresponding path program 1 times [2024-12-02 13:34:39,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:39,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885592634] [2024-12-02 13:34:39,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:39,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:39,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:39,794 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:39,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-12-02 13:34:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:40,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 13:34:40,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:40,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:34:40,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:34:40,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 13:34:40,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-12-02 13:34:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 399 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-12-02 13:34:40,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:41,337 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:41,338 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:41,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885592634] [2024-12-02 13:34:41,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885592634] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:41,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:41,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 24 [2024-12-02 13:34:41,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217547993] [2024-12-02 13:34:41,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:41,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:34:41,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:41,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:34:41,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:34:41,339 INFO L87 Difference]: Start difference. First operand 1489 states and 1922 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:42,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:42,272 INFO L93 Difference]: Finished difference Result 2789 states and 3605 transitions. [2024-12-02 13:34:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:34:42,272 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:42,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:42,277 INFO L225 Difference]: With dead ends: 2789 [2024-12-02 13:34:42,277 INFO L226 Difference]: Without dead ends: 2161 [2024-12-02 13:34:42,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=123, Invalid=933, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 13:34:42,278 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 281 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:42,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 1709 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:34:42,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2161 states. [2024-12-02 13:34:42,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2161 to 1891. [2024-12-02 13:34:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1891 states, 1672 states have (on average 1.2517942583732058) internal successors, (2093), 1684 states have internal predecessors, (2093), 173 states have call successors, (173), 45 states have call predecessors, (173), 45 states have return successors, (173), 161 states have call predecessors, (173), 173 states have call successors, (173) [2024-12-02 13:34:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2439 transitions. [2024-12-02 13:34:42,401 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2439 transitions. Word has length 150 [2024-12-02 13:34:42,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:42,401 INFO L471 AbstractCegarLoop]: Abstraction has 1891 states and 2439 transitions. [2024-12-02 13:34:42,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:42,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2439 transitions. [2024-12-02 13:34:42,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:42,403 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:42,403 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:42,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-12-02 13:34:42,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:42,603 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:42,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:42,603 INFO L85 PathProgramCache]: Analyzing trace with hash -504287217, now seen corresponding path program 1 times [2024-12-02 13:34:42,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:42,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319913899] [2024-12-02 13:34:42,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:42,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:42,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:42,605 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:42,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-12-02 13:34:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:42,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 13:34:42,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:43,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:34:43,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:34:43,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-12-02 13:34:43,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 13:34:43,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-12-02 13:34:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-02 13:34:43,288 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:43,675 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:43,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319913899] [2024-12-02 13:34:43,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319913899] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:43,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:43,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15] total 23 [2024-12-02 13:34:43,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263951299] [2024-12-02 13:34:43,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:43,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:34:43,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:43,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:34:43,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:34:43,676 INFO L87 Difference]: Start difference. First operand 1891 states and 2439 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:44,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:44,674 INFO L93 Difference]: Finished difference Result 3229 states and 4188 transitions. [2024-12-02 13:34:44,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:34:44,674 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:44,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:44,679 INFO L225 Difference]: With dead ends: 3229 [2024-12-02 13:34:44,679 INFO L226 Difference]: Without dead ends: 2231 [2024-12-02 13:34:44,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 276 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2024-12-02 13:34:44,680 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 272 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:44,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1801 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:34:44,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2024-12-02 13:34:44,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1963. [2024-12-02 13:34:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1963 states, 1744 states have (on average 1.2620412844036697) internal successors, (2201), 1756 states have internal predecessors, (2201), 173 states have call successors, (173), 45 states have call predecessors, (173), 45 states have return successors, (173), 161 states have call predecessors, (173), 173 states have call successors, (173) [2024-12-02 13:34:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1963 states and 2547 transitions. [2024-12-02 13:34:44,793 INFO L78 Accepts]: Start accepts. Automaton has 1963 states and 2547 transitions. Word has length 150 [2024-12-02 13:34:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:44,793 INFO L471 AbstractCegarLoop]: Abstraction has 1963 states and 2547 transitions. [2024-12-02 13:34:44,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:44,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2547 transitions. [2024-12-02 13:34:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:44,794 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:44,794 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:44,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-12-02 13:34:44,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:44,995 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:44,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:44,995 INFO L85 PathProgramCache]: Analyzing trace with hash -2092635119, now seen corresponding path program 1 times [2024-12-02 13:34:44,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:44,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873572308] [2024-12-02 13:34:44,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:44,996 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:44,997 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:44,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-12-02 13:34:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:45,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 13:34:45,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:46,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:34:46,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 13:34:46,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:34:46,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2024-12-02 13:34:46,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-12-02 13:34:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 10 proven. 414 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-02 13:34:48,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:49,646 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:49,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873572308] [2024-12-02 13:34:49,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873572308] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:49,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:49,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 25 [2024-12-02 13:34:49,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187364393] [2024-12-02 13:34:49,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:49,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:34:49,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:49,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:34:49,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=509, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:34:49,648 INFO L87 Difference]: Start difference. First operand 1963 states and 2547 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:50,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:50,987 INFO L93 Difference]: Finished difference Result 3613 states and 4705 transitions. [2024-12-02 13:34:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:34:50,988 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 150 [2024-12-02 13:34:50,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:50,993 INFO L225 Difference]: With dead ends: 3613 [2024-12-02 13:34:50,993 INFO L226 Difference]: Without dead ends: 2543 [2024-12-02 13:34:50,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2024-12-02 13:34:50,995 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 357 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:50,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 1046 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:34:50,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2543 states. [2024-12-02 13:34:51,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2543 to 2075. [2024-12-02 13:34:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2075 states, 1856 states have (on average 1.2720905172413792) internal successors, (2361), 1868 states have internal predecessors, (2361), 173 states have call successors, (173), 45 states have call predecessors, (173), 45 states have return successors, (173), 161 states have call predecessors, (173), 173 states have call successors, (173) [2024-12-02 13:34:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 2707 transitions. [2024-12-02 13:34:51,109 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 2707 transitions. Word has length 150 [2024-12-02 13:34:51,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:51,109 INFO L471 AbstractCegarLoop]: Abstraction has 2075 states and 2707 transitions. [2024-12-02 13:34:51,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:51,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2707 transitions. [2024-12-02 13:34:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 13:34:51,112 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:51,112 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:51,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2024-12-02 13:34:51,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:51,313 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:51,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:51,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1666925493, now seen corresponding path program 1 times [2024-12-02 13:34:51,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:51,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243745269] [2024-12-02 13:34:51,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:51,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:51,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:51,316 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:51,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-12-02 13:34:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:51,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:34:51,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:51,607 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-12-02 13:34:51,607 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:51,607 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:51,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243745269] [2024-12-02 13:34:51,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243745269] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:51,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:51,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:34:51,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864545180] [2024-12-02 13:34:51,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:51,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:34:51,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:51,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:34:51,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:34:51,608 INFO L87 Difference]: Start difference. First operand 2075 states and 2707 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:34:51,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:51,722 INFO L93 Difference]: Finished difference Result 4002 states and 5221 transitions. [2024-12-02 13:34:51,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:34:51,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 150 [2024-12-02 13:34:51,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:51,728 INFO L225 Difference]: With dead ends: 4002 [2024-12-02 13:34:51,728 INFO L226 Difference]: Without dead ends: 2075 [2024-12-02 13:34:51,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:34:51,731 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:51,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:34:51,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2024-12-02 13:34:51,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 2075. [2024-12-02 13:34:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2075 states, 1856 states have (on average 1.2699353448275863) internal successors, (2357), 1868 states have internal predecessors, (2357), 173 states have call successors, (173), 45 states have call predecessors, (173), 45 states have return successors, (173), 161 states have call predecessors, (173), 173 states have call successors, (173) [2024-12-02 13:34:51,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 2703 transitions. [2024-12-02 13:34:51,841 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 2703 transitions. Word has length 150 [2024-12-02 13:34:51,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:51,841 INFO L471 AbstractCegarLoop]: Abstraction has 2075 states and 2703 transitions. [2024-12-02 13:34:51,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 13:34:51,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2703 transitions. [2024-12-02 13:34:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:34:51,842 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:51,842 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:51,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-12-02 13:34:52,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:52,043 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:52,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:52,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1202490543, now seen corresponding path program 1 times [2024-12-02 13:34:52,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:52,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [822263008] [2024-12-02 13:34:52,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:52,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:52,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:52,045 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:52,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-12-02 13:34:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:52,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:34:52,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:52,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-12-02 13:34:52,780 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 13:34:52,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:52,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:52,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [822263008] [2024-12-02 13:34:52,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [822263008] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:52,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:52,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2024-12-02 13:34:52,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618806819] [2024-12-02 13:34:52,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:52,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:34:52,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:52,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:34:52,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:34:52,920 INFO L87 Difference]: Start difference. First operand 2075 states and 2703 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:53,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:53,311 INFO L93 Difference]: Finished difference Result 4606 states and 6014 transitions. [2024-12-02 13:34:53,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:34:53,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:34:53,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:53,317 INFO L225 Difference]: With dead ends: 4606 [2024-12-02 13:34:53,317 INFO L226 Difference]: Without dead ends: 2775 [2024-12-02 13:34:53,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:34:53,319 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 65 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:53,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 962 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:34:53,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2775 states. [2024-12-02 13:34:53,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2775 to 2481. [2024-12-02 13:34:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2481 states, 2262 states have (on average 1.2939876215738284) internal successors, (2927), 2274 states have internal predecessors, (2927), 173 states have call successors, (173), 45 states have call predecessors, (173), 45 states have return successors, (173), 161 states have call predecessors, (173), 173 states have call successors, (173) [2024-12-02 13:34:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 3273 transitions. [2024-12-02 13:34:53,432 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 3273 transitions. Word has length 152 [2024-12-02 13:34:53,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:53,432 INFO L471 AbstractCegarLoop]: Abstraction has 2481 states and 3273 transitions. [2024-12-02 13:34:53,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:53,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 3273 transitions. [2024-12-02 13:34:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:34:53,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:53,434 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:53,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-12-02 13:34:53,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:53,635 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:53,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:53,635 INFO L85 PathProgramCache]: Analyzing trace with hash 2071408399, now seen corresponding path program 1 times [2024-12-02 13:34:53,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:53,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935700059] [2024-12-02 13:34:53,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:53,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:53,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:53,637 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:53,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-12-02 13:34:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:53,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 13:34:53,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:54,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:34:54,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 53 [2024-12-02 13:34:54,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 53 [2024-12-02 13:34:54,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-12-02 13:34:54,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-12-02 13:34:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:54,763 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:54,763 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:54,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935700059] [2024-12-02 13:34:54,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935700059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:54,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:54,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 13:34:54,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508117911] [2024-12-02 13:34:54,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:54,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:34:54,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:54,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:34:54,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:34:54,764 INFO L87 Difference]: Start difference. First operand 2481 states and 3273 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:56,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:56,639 INFO L93 Difference]: Finished difference Result 4966 states and 6511 transitions. [2024-12-02 13:34:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:34:56,640 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:34:56,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:56,648 INFO L225 Difference]: With dead ends: 4966 [2024-12-02 13:34:56,648 INFO L226 Difference]: Without dead ends: 2789 [2024-12-02 13:34:56,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:34:56,651 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 246 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:56,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1629 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 13:34:56,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2789 states. [2024-12-02 13:34:56,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2789 to 2751. [2024-12-02 13:34:56,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2751 states, 2500 states have (on average 1.278) internal successors, (3195), 2516 states have internal predecessors, (3195), 197 states have call successors, (197), 53 states have call predecessors, (197), 53 states have return successors, (197), 181 states have call predecessors, (197), 197 states have call successors, (197) [2024-12-02 13:34:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 3589 transitions. [2024-12-02 13:34:56,856 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 3589 transitions. Word has length 152 [2024-12-02 13:34:56,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:56,856 INFO L471 AbstractCegarLoop]: Abstraction has 2751 states and 3589 transitions. [2024-12-02 13:34:56,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:56,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3589 transitions. [2024-12-02 13:34:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:34:56,857 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:56,858 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:56,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-12-02 13:34:57,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:57,058 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:57,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:57,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1754789531, now seen corresponding path program 1 times [2024-12-02 13:34:57,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:57,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108422018] [2024-12-02 13:34:57,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:57,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:57,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:57,060 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:57,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-12-02 13:34:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:57,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:34:57,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:57,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 13:34:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 13:34:57,862 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:34:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:58,016 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:58,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108422018] [2024-12-02 13:34:58,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108422018] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:34:58,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:34:58,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2024-12-02 13:34:58,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102757332] [2024-12-02 13:34:58,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:58,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:34:58,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:58,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:34:58,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:34:58,017 INFO L87 Difference]: Start difference. First operand 2751 states and 3589 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:58,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:58,484 INFO L93 Difference]: Finished difference Result 5608 states and 7309 transitions. [2024-12-02 13:34:58,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:34:58,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:34:58,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:58,490 INFO L225 Difference]: With dead ends: 5608 [2024-12-02 13:34:58,490 INFO L226 Difference]: Without dead ends: 3165 [2024-12-02 13:34:58,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:34:58,492 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 66 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:58,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 917 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:34:58,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3165 states. [2024-12-02 13:34:58,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3165 to 2947. [2024-12-02 13:34:58,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2947 states, 2696 states have (on average 1.2844955489614243) internal successors, (3463), 2712 states have internal predecessors, (3463), 197 states have call successors, (197), 53 states have call predecessors, (197), 53 states have return successors, (197), 181 states have call predecessors, (197), 197 states have call successors, (197) [2024-12-02 13:34:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2947 states and 3857 transitions. [2024-12-02 13:34:58,623 INFO L78 Accepts]: Start accepts. Automaton has 2947 states and 3857 transitions. Word has length 152 [2024-12-02 13:34:58,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:58,623 INFO L471 AbstractCegarLoop]: Abstraction has 2947 states and 3857 transitions. [2024-12-02 13:34:58,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:34:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 3857 transitions. [2024-12-02 13:34:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:34:58,625 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:58,625 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:58,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2024-12-02 13:34:58,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:58,826 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:58,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:58,826 INFO L85 PathProgramCache]: Analyzing trace with hash -500890669, now seen corresponding path program 1 times [2024-12-02 13:34:58,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:34:58,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182777296] [2024-12-02 13:34:58,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:58,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:34:58,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:34:58,828 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:34:58,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-12-02 13:34:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:59,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:34:59,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:34:59,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:34:59,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-12-02 13:34:59,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-12-02 13:34:59,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2024-12-02 13:34:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:34:59,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:34:59,510 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:34:59,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182777296] [2024-12-02 13:34:59,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182777296] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:59,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:59,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:34:59,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229666274] [2024-12-02 13:34:59,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:59,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:34:59,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:34:59,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:34:59,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:34:59,511 INFO L87 Difference]: Start difference. First operand 2947 states and 3857 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:00,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:00,291 INFO L93 Difference]: Finished difference Result 5436 states and 7127 transitions. [2024-12-02 13:35:00,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:35:00,292 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:35:00,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:00,297 INFO L225 Difference]: With dead ends: 5436 [2024-12-02 13:35:00,297 INFO L226 Difference]: Without dead ends: 2805 [2024-12-02 13:35:00,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:35:00,300 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 180 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:00,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 1034 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:35:00,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2024-12-02 13:35:00,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 2781. [2024-12-02 13:35:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 2544 states have (on average 1.2861635220125787) internal successors, (3272), 2558 states have internal predecessors, (3272), 185 states have call successors, (185), 51 states have call predecessors, (185), 51 states have return successors, (185), 171 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:35:00,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3642 transitions. [2024-12-02 13:35:00,428 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3642 transitions. Word has length 152 [2024-12-02 13:35:00,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:00,429 INFO L471 AbstractCegarLoop]: Abstraction has 2781 states and 3642 transitions. [2024-12-02 13:35:00,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:00,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3642 transitions. [2024-12-02 13:35:00,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:35:00,430 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:00,430 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:00,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2024-12-02 13:35:00,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:00,631 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:00,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:00,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1838577891, now seen corresponding path program 1 times [2024-12-02 13:35:00,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:00,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025439692] [2024-12-02 13:35:00,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:00,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:00,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:00,633 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:00,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2024-12-02 13:35:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:00,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 13:35:01,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:01,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:35:01,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 53 [2024-12-02 13:35:01,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2024-12-02 13:35:01,624 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:01,624 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:01,624 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:01,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025439692] [2024-12-02 13:35:01,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025439692] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:01,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:01,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 13:35:01,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157009343] [2024-12-02 13:35:01,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:01,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:35:01,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:01,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:35:01,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:35:01,626 INFO L87 Difference]: Start difference. First operand 2781 states and 3642 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:02,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:02,656 INFO L93 Difference]: Finished difference Result 5274 states and 6912 transitions. [2024-12-02 13:35:02,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:35:02,657 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:35:02,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:02,663 INFO L225 Difference]: With dead ends: 5274 [2024-12-02 13:35:02,663 INFO L226 Difference]: Without dead ends: 2809 [2024-12-02 13:35:02,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:35:02,666 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 223 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:02,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 940 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 13:35:02,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2024-12-02 13:35:02,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2781. [2024-12-02 13:35:02,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 2544 states have (on average 1.2853773584905661) internal successors, (3270), 2558 states have internal predecessors, (3270), 185 states have call successors, (185), 51 states have call predecessors, (185), 51 states have return successors, (185), 171 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:35:02,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 3640 transitions. [2024-12-02 13:35:02,810 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 3640 transitions. Word has length 152 [2024-12-02 13:35:02,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:02,810 INFO L471 AbstractCegarLoop]: Abstraction has 2781 states and 3640 transitions. [2024-12-02 13:35:02,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:02,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3640 transitions. [2024-12-02 13:35:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:35:02,812 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:02,812 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:02,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2024-12-02 13:35:03,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:03,012 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:03,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:03,013 INFO L85 PathProgramCache]: Analyzing trace with hash 462244699, now seen corresponding path program 1 times [2024-12-02 13:35:03,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:03,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337308137] [2024-12-02 13:35:03,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:03,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:03,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:03,015 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:03,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-12-02 13:35:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:03,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 13:35:03,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:03,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 13:35:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-02 13:35:03,575 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:03,699 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:03,699 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:03,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337308137] [2024-12-02 13:35:03,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337308137] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:03,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:03,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 11 [2024-12-02 13:35:03,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488074478] [2024-12-02 13:35:03,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:03,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:35:03,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:03,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:35:03,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:35:03,700 INFO L87 Difference]: Start difference. First operand 2781 states and 3640 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:04,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:04,109 INFO L93 Difference]: Finished difference Result 5664 states and 7411 transitions. [2024-12-02 13:35:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:35:04,110 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:35:04,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:04,118 INFO L225 Difference]: With dead ends: 5664 [2024-12-02 13:35:04,118 INFO L226 Difference]: Without dead ends: 3199 [2024-12-02 13:35:04,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:35:04,122 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 182 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:04,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 773 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:35:04,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2024-12-02 13:35:04,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 2973. [2024-12-02 13:35:04,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2973 states, 2736 states have (on average 1.2916666666666667) internal successors, (3534), 2750 states have internal predecessors, (3534), 185 states have call successors, (185), 51 states have call predecessors, (185), 51 states have return successors, (185), 171 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:35:04,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 3904 transitions. [2024-12-02 13:35:04,359 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 3904 transitions. Word has length 152 [2024-12-02 13:35:04,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:04,360 INFO L471 AbstractCegarLoop]: Abstraction has 2973 states and 3904 transitions. [2024-12-02 13:35:04,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 3904 transitions. [2024-12-02 13:35:04,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:35:04,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:04,362 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:04,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2024-12-02 13:35:04,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:04,562 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:04,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:04,563 INFO L85 PathProgramCache]: Analyzing trace with hash 167239350, now seen corresponding path program 1 times [2024-12-02 13:35:04,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:04,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549439239] [2024-12-02 13:35:04,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:04,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:04,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:04,565 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:04,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-12-02 13:35:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:04,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 13:35:04,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:04,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:35:04,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 13:35:05,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-12-02 13:35:05,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 13:35:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:05,867 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:05,867 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:05,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549439239] [2024-12-02 13:35:05,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1549439239] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:05,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:05,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:35:05,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424994001] [2024-12-02 13:35:05,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:05,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:35:05,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:05,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:35:05,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:35:05,869 INFO L87 Difference]: Start difference. First operand 2973 states and 3904 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:13,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:13,598 INFO L93 Difference]: Finished difference Result 5325 states and 7099 transitions. [2024-12-02 13:35:13,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:35:13,599 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:35:13,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:13,605 INFO L225 Difference]: With dead ends: 5325 [2024-12-02 13:35:13,605 INFO L226 Difference]: Without dead ends: 3517 [2024-12-02 13:35:13,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:35:13,607 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 174 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:13,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 1342 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-12-02 13:35:13,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2024-12-02 13:35:13,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3211. [2024-12-02 13:35:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3211 states, 2974 states have (on average 1.3006052454606591) internal successors, (3868), 2988 states have internal predecessors, (3868), 185 states have call successors, (185), 51 states have call predecessors, (185), 51 states have return successors, (185), 171 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:35:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 3211 states and 4238 transitions. [2024-12-02 13:35:13,747 INFO L78 Accepts]: Start accepts. Automaton has 3211 states and 4238 transitions. Word has length 152 [2024-12-02 13:35:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:13,747 INFO L471 AbstractCegarLoop]: Abstraction has 3211 states and 4238 transitions. [2024-12-02 13:35:13,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3211 states and 4238 transitions. [2024-12-02 13:35:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:35:13,748 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:13,748 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:13,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2024-12-02 13:35:13,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:13,949 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:13,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:13,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1421108552, now seen corresponding path program 1 times [2024-12-02 13:35:13,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:13,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707320486] [2024-12-02 13:35:13,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:13,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:13,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:13,951 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:13,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-12-02 13:35:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:14,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:35:14,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:14,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:35:14,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-12-02 13:35:14,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-12-02 13:35:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-12-02 13:35:14,624 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:14,881 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:14,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707320486] [2024-12-02 13:35:14,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1707320486] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:14,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:14,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 19 [2024-12-02 13:35:14,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40346201] [2024-12-02 13:35:14,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:14,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:35:14,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:14,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:35:14,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:35:14,883 INFO L87 Difference]: Start difference. First operand 3211 states and 4238 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:15,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:15,722 INFO L93 Difference]: Finished difference Result 5605 states and 7457 transitions. [2024-12-02 13:35:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:35:15,722 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:35:15,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:15,727 INFO L225 Difference]: With dead ends: 5605 [2024-12-02 13:35:15,727 INFO L226 Difference]: Without dead ends: 3605 [2024-12-02 13:35:15,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2024-12-02 13:35:15,730 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 237 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:15,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 2095 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:35:15,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2024-12-02 13:35:15,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 2979. [2024-12-02 13:35:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2979 states, 2742 states have (on average 1.2910284463894968) internal successors, (3540), 2756 states have internal predecessors, (3540), 185 states have call successors, (185), 51 states have call predecessors, (185), 51 states have return successors, (185), 171 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:35:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 3910 transitions. [2024-12-02 13:35:15,869 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 3910 transitions. Word has length 152 [2024-12-02 13:35:15,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:15,869 INFO L471 AbstractCegarLoop]: Abstraction has 2979 states and 3910 transitions. [2024-12-02 13:35:15,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 3910 transitions. [2024-12-02 13:35:15,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:35:15,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:15,871 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:15,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Ended with exit code 0 [2024-12-02 13:35:16,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:16,072 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:16,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:16,072 INFO L85 PathProgramCache]: Analyzing trace with hash 868839224, now seen corresponding path program 1 times [2024-12-02 13:35:16,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:16,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525196980] [2024-12-02 13:35:16,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:16,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:16,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:16,074 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:16,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2024-12-02 13:35:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:16,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 13:35:16,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:16,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:35:16,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 13:35:17,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 13:35:17,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-12-02 13:35:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 11 proven. 273 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 13:35:18,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:19,561 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:19,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525196980] [2024-12-02 13:35:19,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525196980] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:19,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:19,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-12-02 13:35:19,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892297724] [2024-12-02 13:35:19,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:19,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:35:19,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:19,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:35:19,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:35:19,562 INFO L87 Difference]: Start difference. First operand 2979 states and 3910 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:20,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:20,601 INFO L93 Difference]: Finished difference Result 5049 states and 6707 transitions. [2024-12-02 13:35:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:35:20,602 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:35:20,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:20,606 INFO L225 Difference]: With dead ends: 5049 [2024-12-02 13:35:20,606 INFO L226 Difference]: Without dead ends: 3237 [2024-12-02 13:35:20,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:35:20,608 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 377 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:20,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1070 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:35:20,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3237 states. [2024-12-02 13:35:20,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3237 to 2979. [2024-12-02 13:35:20,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2979 states, 2742 states have (on average 1.287381473377097) internal successors, (3530), 2756 states have internal predecessors, (3530), 185 states have call successors, (185), 51 states have call predecessors, (185), 51 states have return successors, (185), 171 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:35:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 3900 transitions. [2024-12-02 13:35:20,742 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 3900 transitions. Word has length 152 [2024-12-02 13:35:20,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:20,742 INFO L471 AbstractCegarLoop]: Abstraction has 2979 states and 3900 transitions. [2024-12-02 13:35:20,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 3900 transitions. [2024-12-02 13:35:20,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:35:20,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:20,743 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:20,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Ended with exit code 0 [2024-12-02 13:35:20,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:20,944 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:20,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:20,944 INFO L85 PathProgramCache]: Analyzing trace with hash -719508678, now seen corresponding path program 1 times [2024-12-02 13:35:20,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:20,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837867857] [2024-12-02 13:35:20,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:20,945 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:20,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:20,947 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:20,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2024-12-02 13:35:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:21,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:35:21,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:21,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:35:21,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2024-12-02 13:35:21,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-12-02 13:35:21,622 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-12-02 13:35:21,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:21,860 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:21,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837867857] [2024-12-02 13:35:21,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837867857] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:21,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:21,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 19 [2024-12-02 13:35:21,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454502303] [2024-12-02 13:35:21,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:21,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:35:21,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:21,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:35:21,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:35:21,861 INFO L87 Difference]: Start difference. First operand 2979 states and 3900 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:22,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:22,804 INFO L93 Difference]: Finished difference Result 5137 states and 6779 transitions. [2024-12-02 13:35:22,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:35:22,805 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:35:22,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:22,810 INFO L225 Difference]: With dead ends: 5137 [2024-12-02 13:35:22,810 INFO L226 Difference]: Without dead ends: 3325 [2024-12-02 13:35:22,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2024-12-02 13:35:22,812 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 237 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 1960 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:22,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 1960 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:35:22,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2024-12-02 13:35:22,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 2693. [2024-12-02 13:35:22,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2693 states, 2456 states have (on average 1.2776872964169381) internal successors, (3138), 2470 states have internal predecessors, (3138), 185 states have call successors, (185), 51 states have call predecessors, (185), 51 states have return successors, (185), 171 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:35:22,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 3508 transitions. [2024-12-02 13:35:22,965 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 3508 transitions. Word has length 152 [2024-12-02 13:35:22,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:22,966 INFO L471 AbstractCegarLoop]: Abstraction has 2693 states and 3508 transitions. [2024-12-02 13:35:22,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3508 transitions. [2024-12-02 13:35:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:35:22,967 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:22,967 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:22,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Ended with exit code 0 [2024-12-02 13:35:23,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:23,168 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:23,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:23,168 INFO L85 PathProgramCache]: Analyzing trace with hash -577103050, now seen corresponding path program 1 times [2024-12-02 13:35:23,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:23,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384973870] [2024-12-02 13:35:23,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:23,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:23,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:23,171 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:23,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2024-12-02 13:35:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:23,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 13:35:23,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:23,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:35:23,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 13:35:23,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-12-02 13:35:23,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-12-02 13:35:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:24,565 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:24,565 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:24,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384973870] [2024-12-02 13:35:24,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384973870] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:24,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:24,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:35:24,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295274031] [2024-12-02 13:35:24,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:24,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:35:24,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:24,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:35:24,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:35:24,566 INFO L87 Difference]: Start difference. First operand 2693 states and 3508 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:32,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:32,984 INFO L93 Difference]: Finished difference Result 5073 states and 6689 transitions. [2024-12-02 13:35:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:35:32,984 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:35:32,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:32,989 INFO L225 Difference]: With dead ends: 5073 [2024-12-02 13:35:32,989 INFO L226 Difference]: Without dead ends: 3501 [2024-12-02 13:35:32,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:35:32,991 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 151 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:32,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1523 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2024-12-02 13:35:32,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2024-12-02 13:35:33,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 2699. [2024-12-02 13:35:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2699 states, 2462 states have (on average 1.2770105605199025) internal successors, (3144), 2476 states have internal predecessors, (3144), 185 states have call successors, (185), 51 states have call predecessors, (185), 51 states have return successors, (185), 171 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:35:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2699 states and 3514 transitions. [2024-12-02 13:35:33,131 INFO L78 Accepts]: Start accepts. Automaton has 2699 states and 3514 transitions. Word has length 152 [2024-12-02 13:35:33,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:33,131 INFO L471 AbstractCegarLoop]: Abstraction has 2699 states and 3514 transitions. [2024-12-02 13:35:33,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 3514 transitions. [2024-12-02 13:35:33,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:35:33,132 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:33,132 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:33,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Ended with exit code 0 [2024-12-02 13:35:33,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:33,333 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:33,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:33,333 INFO L85 PathProgramCache]: Analyzing trace with hash 124496824, now seen corresponding path program 1 times [2024-12-02 13:35:33,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:33,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283365513] [2024-12-02 13:35:33,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:33,334 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:33,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:33,336 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:33,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2024-12-02 13:35:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:33,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 13:35:33,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:34,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:35:34,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 13:35:34,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2024-12-02 13:35:34,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-12-02 13:35:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 11 proven. 273 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 13:35:35,720 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:36,768 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:36,769 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:36,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [283365513] [2024-12-02 13:35:36,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [283365513] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:36,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:36,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2024-12-02 13:35:36,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116606360] [2024-12-02 13:35:36,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:36,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:35:36,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:36,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:35:36,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:35:36,770 INFO L87 Difference]: Start difference. First operand 2699 states and 3514 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:38,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:38,070 INFO L93 Difference]: Finished difference Result 4797 states and 6297 transitions. [2024-12-02 13:35:38,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:35:38,071 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 152 [2024-12-02 13:35:38,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:38,076 INFO L225 Difference]: With dead ends: 4797 [2024-12-02 13:35:38,076 INFO L226 Difference]: Without dead ends: 3221 [2024-12-02 13:35:38,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:35:38,078 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 354 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:38,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1145 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:35:38,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3221 states. [2024-12-02 13:35:38,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3221 to 2461. [2024-12-02 13:35:38,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2461 states, 2224 states have (on average 1.2589928057553956) internal successors, (2800), 2238 states have internal predecessors, (2800), 185 states have call successors, (185), 51 states have call predecessors, (185), 51 states have return successors, (185), 171 states have call predecessors, (185), 185 states have call successors, (185) [2024-12-02 13:35:38,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 2461 states and 3170 transitions. [2024-12-02 13:35:38,200 INFO L78 Accepts]: Start accepts. Automaton has 2461 states and 3170 transitions. Word has length 152 [2024-12-02 13:35:38,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:38,200 INFO L471 AbstractCegarLoop]: Abstraction has 2461 states and 3170 transitions. [2024-12-02 13:35:38,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 3170 transitions. [2024-12-02 13:35:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:35:38,202 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:38,202 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:38,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Ended with exit code 0 [2024-12-02 13:35:38,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:38,402 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:38,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:38,402 INFO L85 PathProgramCache]: Analyzing trace with hash -691353457, now seen corresponding path program 1 times [2024-12-02 13:35:38,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:38,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571927535] [2024-12-02 13:35:38,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:38,403 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:38,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:38,405 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:38,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2024-12-02 13:35:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:38,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 13:35:38,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:39,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:35:39,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-12-02 13:35:39,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 75 [2024-12-02 13:35:40,003 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 2 proven. 174 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-12-02 13:35:40,003 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:40,191 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:40,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571927535] [2024-12-02 13:35:40,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571927535] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:40,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1447763936] [2024-12-02 13:35:40,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:40,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:35:40,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:35:40,193 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:35:40,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-02 13:35:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:41,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 13:35:41,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:42,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:35:43,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:35:43,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 89 [2024-12-02 13:35:43,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 75 [2024-12-02 13:35:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 2 proven. 174 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-12-02 13:35:43,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:43,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1447763936] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:43,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:35:43,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2024-12-02 13:35:43,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72572767] [2024-12-02 13:35:43,852 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:35:43,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 13:35:43,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:43,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 13:35:43,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:35:43,853 INFO L87 Difference]: Start difference. First operand 2461 states and 3170 transitions. Second operand has 22 states, 20 states have (on average 7.3) internal successors, (146), 19 states have internal predecessors, (146), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-12-02 13:35:45,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:45,989 INFO L93 Difference]: Finished difference Result 5915 states and 7611 transitions. [2024-12-02 13:35:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 13:35:45,990 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 7.3) internal successors, (146), 19 states have internal predecessors, (146), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) Word has length 152 [2024-12-02 13:35:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:45,995 INFO L225 Difference]: With dead ends: 5915 [2024-12-02 13:35:45,995 INFO L226 Difference]: Without dead ends: 3698 [2024-12-02 13:35:45,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 362 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=323, Invalid=1237, Unknown=0, NotChecked=0, Total=1560 [2024-12-02 13:35:45,998 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 584 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:45,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 2107 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:35:46,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3698 states. [2024-12-02 13:35:46,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3698 to 2477. [2024-12-02 13:35:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 2235 states have (on average 1.2577181208053692) internal successors, (2811), 2250 states have internal predecessors, (2811), 188 states have call successors, (188), 53 states have call predecessors, (188), 53 states have return successors, (188), 173 states have call predecessors, (188), 188 states have call successors, (188) [2024-12-02 13:35:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3187 transitions. [2024-12-02 13:35:46,153 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3187 transitions. Word has length 152 [2024-12-02 13:35:46,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:46,153 INFO L471 AbstractCegarLoop]: Abstraction has 2477 states and 3187 transitions. [2024-12-02 13:35:46,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 7.3) internal successors, (146), 19 states have internal predecessors, (146), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-12-02 13:35:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3187 transitions. [2024-12-02 13:35:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-12-02 13:35:46,154 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:46,154 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:46,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Ended with exit code 0 [2024-12-02 13:35:46,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-02 13:35:46,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:35:46,555 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:46,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:46,555 INFO L85 PathProgramCache]: Analyzing trace with hash -489529523, now seen corresponding path program 1 times [2024-12-02 13:35:46,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:46,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200393925] [2024-12-02 13:35:46,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:46,556 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:46,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:46,557 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:46,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2024-12-02 13:35:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:46,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:35:46,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-12-02 13:35:46,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:46,896 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:46,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200393925] [2024-12-02 13:35:46,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200393925] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:46,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:46,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:35:46,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914535458] [2024-12-02 13:35:46,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:46,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:35:46,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:46,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:35:46,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:35:46,897 INFO L87 Difference]: Start difference. First operand 2477 states and 3187 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-12-02 13:35:47,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:47,103 INFO L93 Difference]: Finished difference Result 3649 states and 4678 transitions. [2024-12-02 13:35:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:35:47,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 152 [2024-12-02 13:35:47,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:47,106 INFO L225 Difference]: With dead ends: 3649 [2024-12-02 13:35:47,107 INFO L226 Difference]: Without dead ends: 1311 [2024-12-02 13:35:47,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:35:47,109 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 1 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:47,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 634 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:47,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2024-12-02 13:35:47,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1278. [2024-12-02 13:35:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1278 states, 1145 states have (on average 1.2480349344978166) internal successors, (1429), 1152 states have internal predecessors, (1429), 102 states have call successors, (102), 30 states have call predecessors, (102), 30 states have return successors, (102), 95 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 13:35:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1633 transitions. [2024-12-02 13:35:47,200 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1633 transitions. Word has length 152 [2024-12-02 13:35:47,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:47,200 INFO L471 AbstractCegarLoop]: Abstraction has 1278 states and 1633 transitions. [2024-12-02 13:35:47,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2024-12-02 13:35:47,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1633 transitions. [2024-12-02 13:35:47,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 13:35:47,201 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:47,201 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:47,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Ended with exit code 0 [2024-12-02 13:35:47,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:47,401 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:47,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:47,402 INFO L85 PathProgramCache]: Analyzing trace with hash -230755146, now seen corresponding path program 1 times [2024-12-02 13:35:47,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:47,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426826218] [2024-12-02 13:35:47,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:47,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:47,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:47,404 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:47,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2024-12-02 13:35:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:47,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:35:47,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:47,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-12-02 13:35:47,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-12-02 13:35:47,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 13:35:47,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-12-02 13:35:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:47,937 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:47,938 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:47,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426826218] [2024-12-02 13:35:47,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1426826218] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:47,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:47,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 13:35:47,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974919063] [2024-12-02 13:35:47,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:47,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:35:47,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:47,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:35:47,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:35:47,939 INFO L87 Difference]: Start difference. First operand 1278 states and 1633 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:48,512 INFO L93 Difference]: Finished difference Result 2769 states and 3529 transitions. [2024-12-02 13:35:48,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:35:48,512 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-12-02 13:35:48,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:48,516 INFO L225 Difference]: With dead ends: 2769 [2024-12-02 13:35:48,516 INFO L226 Difference]: Without dead ends: 1652 [2024-12-02 13:35:48,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:35:48,517 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 79 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1574 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:48,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1574 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:35:48,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2024-12-02 13:35:48,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1534. [2024-12-02 13:35:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1390 states have (on average 1.249640287769784) internal successors, (1737), 1398 states have internal predecessors, (1737), 110 states have call successors, (110), 33 states have call predecessors, (110), 33 states have return successors, (110), 102 states have call predecessors, (110), 110 states have call successors, (110) [2024-12-02 13:35:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 1957 transitions. [2024-12-02 13:35:48,685 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 1957 transitions. Word has length 154 [2024-12-02 13:35:48,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:48,685 INFO L471 AbstractCegarLoop]: Abstraction has 1534 states and 1957 transitions. [2024-12-02 13:35:48,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1957 transitions. [2024-12-02 13:35:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 13:35:48,686 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:48,687 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:48,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Ended with exit code 0 [2024-12-02 13:35:48,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:48,887 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:48,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:48,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1510618824, now seen corresponding path program 1 times [2024-12-02 13:35:48,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:48,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491463902] [2024-12-02 13:35:48,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:48,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:48,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:48,890 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:48,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2024-12-02 13:35:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:49,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 13:35:49,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:50,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 13:35:50,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:35:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 34 proven. 308 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-12-02 13:35:50,897 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:51,130 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:51,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491463902] [2024-12-02 13:35:51,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491463902] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:51,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:51,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 23 [2024-12-02 13:35:51,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431550448] [2024-12-02 13:35:51,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:51,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:35:51,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:51,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:35:51,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:35:51,132 INFO L87 Difference]: Start difference. First operand 1534 states and 1957 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:51,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:51,418 INFO L93 Difference]: Finished difference Result 3020 states and 3846 transitions. [2024-12-02 13:35:51,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:35:51,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-12-02 13:35:51,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:51,422 INFO L225 Difference]: With dead ends: 3020 [2024-12-02 13:35:51,422 INFO L226 Difference]: Without dead ends: 1662 [2024-12-02 13:35:51,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:35:51,424 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 134 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:51,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 597 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:51,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2024-12-02 13:35:51,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1658. [2024-12-02 13:35:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1658 states, 1490 states have (on average 1.2369127516778524) internal successors, (1843), 1500 states have internal predecessors, (1843), 128 states have call successors, (128), 39 states have call predecessors, (128), 39 states have return successors, (128), 118 states have call predecessors, (128), 128 states have call successors, (128) [2024-12-02 13:35:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2099 transitions. [2024-12-02 13:35:51,541 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2099 transitions. Word has length 154 [2024-12-02 13:35:51,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:51,541 INFO L471 AbstractCegarLoop]: Abstraction has 1658 states and 2099 transitions. [2024-12-02 13:35:51,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2099 transitions. [2024-12-02 13:35:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 13:35:51,542 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:51,542 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:51,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Ended with exit code 0 [2024-12-02 13:35:51,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:51,742 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:51,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:51,743 INFO L85 PathProgramCache]: Analyzing trace with hash -208122892, now seen corresponding path program 1 times [2024-12-02 13:35:51,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:51,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937493513] [2024-12-02 13:35:51,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:51,743 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:51,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:51,744 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:51,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2024-12-02 13:35:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:52,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 13:35:52,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:53,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 13:35:53,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-02 13:35:53,689 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 34 proven. 308 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-12-02 13:35:53,689 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:53,869 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:53,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937493513] [2024-12-02 13:35:53,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937493513] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:53,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:53,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 23 [2024-12-02 13:35:53,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773235099] [2024-12-02 13:35:53,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:53,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:35:53,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:53,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:35:53,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:35:53,871 INFO L87 Difference]: Start difference. First operand 1658 states and 2099 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:54,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:54,111 INFO L93 Difference]: Finished difference Result 3164 states and 4006 transitions. [2024-12-02 13:35:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:35:54,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-12-02 13:35:54,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:54,115 INFO L225 Difference]: With dead ends: 3164 [2024-12-02 13:35:54,115 INFO L226 Difference]: Without dead ends: 1682 [2024-12-02 13:35:54,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:35:54,117 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 79 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:54,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 655 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:54,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2024-12-02 13:35:54,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1604. [2024-12-02 13:35:54,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1447 states have (on average 1.2411886662059433) internal successors, (1796), 1456 states have internal predecessors, (1796), 118 states have call successors, (118), 38 states have call predecessors, (118), 38 states have return successors, (118), 109 states have call predecessors, (118), 118 states have call successors, (118) [2024-12-02 13:35:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2032 transitions. [2024-12-02 13:35:54,233 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2032 transitions. Word has length 154 [2024-12-02 13:35:54,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:54,233 INFO L471 AbstractCegarLoop]: Abstraction has 1604 states and 2032 transitions. [2024-12-02 13:35:54,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2032 transitions. [2024-12-02 13:35:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 13:35:54,234 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:54,234 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:54,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Ended with exit code 0 [2024-12-02 13:35:54,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:54,435 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:54,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:54,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1487986570, now seen corresponding path program 1 times [2024-12-02 13:35:54,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:54,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505883753] [2024-12-02 13:35:54,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:54,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:54,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:54,437 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:54,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2024-12-02 13:35:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:54,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:35:54,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:54,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2024-12-02 13:35:54,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-12-02 13:35:54,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 13:35:54,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-12-02 13:35:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:54,983 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:35:54,983 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:54,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505883753] [2024-12-02 13:35:54,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505883753] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:35:54,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:35:54,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 13:35:54,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919542735] [2024-12-02 13:35:54,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:54,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:35:54,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:54,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:35:54,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:35:54,983 INFO L87 Difference]: Start difference. First operand 1604 states and 2032 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:55,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:55,627 INFO L93 Difference]: Finished difference Result 3044 states and 3860 transitions. [2024-12-02 13:35:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:35:55,628 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 154 [2024-12-02 13:35:55,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:55,630 INFO L225 Difference]: With dead ends: 3044 [2024-12-02 13:35:55,630 INFO L226 Difference]: Without dead ends: 1620 [2024-12-02 13:35:55,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:35:55,632 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 76 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:55,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 1822 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:35:55,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2024-12-02 13:35:55,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1428. [2024-12-02 13:35:55,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1304 states have (on average 1.258435582822086) internal successors, (1641), 1310 states have internal predecessors, (1641), 92 states have call successors, (92), 31 states have call predecessors, (92), 31 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 13:35:55,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1825 transitions. [2024-12-02 13:35:55,724 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1825 transitions. Word has length 154 [2024-12-02 13:35:55,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:55,725 INFO L471 AbstractCegarLoop]: Abstraction has 1428 states and 1825 transitions. [2024-12-02 13:35:55,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1825 transitions. [2024-12-02 13:35:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 13:35:55,725 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:55,726 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:55,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Ended with exit code 0 [2024-12-02 13:35:55,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:55,926 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:55,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:55,926 INFO L85 PathProgramCache]: Analyzing trace with hash 261487292, now seen corresponding path program 1 times [2024-12-02 13:35:55,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:55,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872653422] [2024-12-02 13:35:55,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:55,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:55,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:55,928 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:55,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2024-12-02 13:35:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:56,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:35:56,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:56,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 13:35:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 109 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 13:35:56,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:35:56,699 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:35:56,699 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:35:56,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872653422] [2024-12-02 13:35:56,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872653422] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:35:56,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:35:56,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 13:35:56,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346031773] [2024-12-02 13:35:56,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:35:56,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:35:56,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:35:56,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:35:56,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:35:56,700 INFO L87 Difference]: Start difference. First operand 1428 states and 1825 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:56,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:35:56,870 INFO L93 Difference]: Finished difference Result 2659 states and 3433 transitions. [2024-12-02 13:35:56,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:35:56,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 155 [2024-12-02 13:35:56,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:35:56,873 INFO L225 Difference]: With dead ends: 2659 [2024-12-02 13:35:56,874 INFO L226 Difference]: Without dead ends: 1798 [2024-12-02 13:35:56,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:35:56,874 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 63 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:35:56,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 669 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:35:56,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2024-12-02 13:35:56,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1526. [2024-12-02 13:35:56,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1402 states have (on average 1.2603423680456491) internal successors, (1767), 1408 states have internal predecessors, (1767), 92 states have call successors, (92), 31 states have call predecessors, (92), 31 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 13:35:56,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1951 transitions. [2024-12-02 13:35:56,967 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1951 transitions. Word has length 155 [2024-12-02 13:35:56,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:35:56,967 INFO L471 AbstractCegarLoop]: Abstraction has 1526 states and 1951 transitions. [2024-12-02 13:35:56,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:35:56,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1951 transitions. [2024-12-02 13:35:56,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 13:35:56,968 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:35:56,968 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:35:56,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Ended with exit code 0 [2024-12-02 13:35:57,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:57,168 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:35:57,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:35:57,169 INFO L85 PathProgramCache]: Analyzing trace with hash -595918923, now seen corresponding path program 1 times [2024-12-02 13:35:57,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:35:57,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223201494] [2024-12-02 13:35:57,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:35:57,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:35:57,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:35:57,170 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:35:57,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2024-12-02 13:35:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:35:57,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-02 13:35:57,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:35:58,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:35:58,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:35:58,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:35:58,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2024-12-02 13:35:58,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2024-12-02 13:35:58,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2024-12-02 13:35:59,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2024-12-02 13:35:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 431 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 13:35:59,071 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:00,056 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:00,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223201494] [2024-12-02 13:36:00,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223201494] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:00,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:00,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [21] total 32 [2024-12-02 13:36:00,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645360017] [2024-12-02 13:36:00,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:00,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:36:00,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:00,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:36:00,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=847, Unknown=0, NotChecked=0, Total=992 [2024-12-02 13:36:00,057 INFO L87 Difference]: Start difference. First operand 1526 states and 1951 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:02,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:02,106 INFO L93 Difference]: Finished difference Result 3536 states and 4552 transitions. [2024-12-02 13:36:02,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:36:02,106 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-12-02 13:36:02,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:02,109 INFO L225 Difference]: With dead ends: 3536 [2024-12-02 13:36:02,109 INFO L226 Difference]: Without dead ends: 2569 [2024-12-02 13:36:02,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=283, Invalid=1357, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 13:36:02,111 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 645 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:02,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 1570 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 13:36:02,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2024-12-02 13:36:02,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 1902. [2024-12-02 13:36:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1778 states have (on average 1.279527559055118) internal successors, (2275), 1784 states have internal predecessors, (2275), 92 states have call successors, (92), 31 states have call predecessors, (92), 31 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 13:36:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2459 transitions. [2024-12-02 13:36:02,207 INFO L78 Accepts]: Start accepts. Automaton has 1902 states and 2459 transitions. Word has length 157 [2024-12-02 13:36:02,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:02,207 INFO L471 AbstractCegarLoop]: Abstraction has 1902 states and 2459 transitions. [2024-12-02 13:36:02,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2459 transitions. [2024-12-02 13:36:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 13:36:02,208 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:02,208 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:02,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Ended with exit code 0 [2024-12-02 13:36:02,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:02,409 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:02,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:02,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1704903667, now seen corresponding path program 1 times [2024-12-02 13:36:02,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:02,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749737613] [2024-12-02 13:36:02,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:02,410 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:02,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:02,411 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:02,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2024-12-02 13:36:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:02,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-02 13:36:02,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:03,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:36:03,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:36:03,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:36:04,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-12-02 13:36:04,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2024-12-02 13:36:04,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2024-12-02 13:36:04,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2024-12-02 13:36:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 431 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 13:36:04,701 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:06,001 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:06,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749737613] [2024-12-02 13:36:06,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749737613] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:06,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:06,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [23] total 36 [2024-12-02 13:36:06,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311967445] [2024-12-02 13:36:06,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:06,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 13:36:06,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:06,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 13:36:06,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 13:36:06,003 INFO L87 Difference]: Start difference. First operand 1902 states and 2459 transitions. Second operand has 16 states, 16 states have (on average 4.6875) internal successors, (75), 16 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:09,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:09,415 INFO L93 Difference]: Finished difference Result 4033 states and 5188 transitions. [2024-12-02 13:36:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 13:36:09,416 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.6875) internal successors, (75), 16 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-12-02 13:36:09,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:09,420 INFO L225 Difference]: With dead ends: 4033 [2024-12-02 13:36:09,420 INFO L226 Difference]: Without dead ends: 2746 [2024-12-02 13:36:09,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=543, Invalid=2109, Unknown=0, NotChecked=0, Total=2652 [2024-12-02 13:36:09,421 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 699 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:09,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 1202 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:36:09,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2024-12-02 13:36:09,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 1918. [2024-12-02 13:36:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1918 states, 1794 states have (on average 1.2853957636566333) internal successors, (2306), 1800 states have internal predecessors, (2306), 92 states have call successors, (92), 31 states have call predecessors, (92), 31 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-12-02 13:36:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 2490 transitions. [2024-12-02 13:36:09,534 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 2490 transitions. Word has length 157 [2024-12-02 13:36:09,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:09,534 INFO L471 AbstractCegarLoop]: Abstraction has 1918 states and 2490 transitions. [2024-12-02 13:36:09,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.6875) internal successors, (75), 16 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:09,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2490 transitions. [2024-12-02 13:36:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 13:36:09,535 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:09,535 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:09,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Ended with exit code 0 [2024-12-02 13:36:09,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:09,736 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:09,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:09,736 INFO L85 PathProgramCache]: Analyzing trace with hash 905939788, now seen corresponding path program 1 times [2024-12-02 13:36:09,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:09,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794588043] [2024-12-02 13:36:09,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:09,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:09,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:09,738 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:09,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2024-12-02 13:36:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:10,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:36:10,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:10,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:36:10,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 13:36:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 279 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 13:36:10,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:10,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-12-02 13:36:10,995 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:10,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794588043] [2024-12-02 13:36:10,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1794588043] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:10,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1631232942] [2024-12-02 13:36:10,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:10,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:36:10,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:36:10,997 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:36:10,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-02 13:36:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:11,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:36:11,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:12,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 13:36:12,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:36:12,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 13:36:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 279 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-02 13:36:13,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:13,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-12-02 13:36:13,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1631232942] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:13,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:36:13,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2024-12-02 13:36:13,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908095120] [2024-12-02 13:36:13,260 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:36:13,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:36:13,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:13,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:36:13,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:36:13,261 INFO L87 Difference]: Start difference. First operand 1918 states and 2490 transitions. Second operand has 17 states, 15 states have (on average 8.466666666666667) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-12-02 13:36:14,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:14,653 INFO L93 Difference]: Finished difference Result 3869 states and 5057 transitions. [2024-12-02 13:36:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 13:36:14,654 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 8.466666666666667) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) Word has length 157 [2024-12-02 13:36:14,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:14,657 INFO L225 Difference]: With dead ends: 3869 [2024-12-02 13:36:14,657 INFO L226 Difference]: Without dead ends: 2560 [2024-12-02 13:36:14,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 390 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=306, Invalid=1176, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 13:36:14,658 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 453 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:14,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1263 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:36:14,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2024-12-02 13:36:14,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 2514. [2024-12-02 13:36:14,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2514 states, 2337 states have (on average 1.2794180573384681) internal successors, (2990), 2346 states have internal predecessors, (2990), 131 states have call successors, (131), 45 states have call predecessors, (131), 45 states have return successors, (131), 122 states have call predecessors, (131), 131 states have call successors, (131) [2024-12-02 13:36:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3252 transitions. [2024-12-02 13:36:14,840 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3252 transitions. Word has length 157 [2024-12-02 13:36:14,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:14,840 INFO L471 AbstractCegarLoop]: Abstraction has 2514 states and 3252 transitions. [2024-12-02 13:36:14,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 8.466666666666667) internal successors, (127), 15 states have internal predecessors, (127), 6 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-12-02 13:36:14,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3252 transitions. [2024-12-02 13:36:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 13:36:14,842 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:14,842 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:14,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-02 13:36:15,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Forceful destruction successful, exit code 0 [2024-12-02 13:36:15,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:15,242 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:15,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash 319133774, now seen corresponding path program 1 times [2024-12-02 13:36:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:15,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [150912339] [2024-12-02 13:36:15,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:15,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:15,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:15,245 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:15,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2024-12-02 13:36:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:15,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:36:15,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:16,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-12-02 13:36:16,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-02 13:36:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 35 proven. 279 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-02 13:36:16,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:16,552 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:16,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [150912339] [2024-12-02 13:36:16,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [150912339] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:16,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:16,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2024-12-02 13:36:16,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436282349] [2024-12-02 13:36:16,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:16,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:16,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:16,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:16,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:36:16,553 INFO L87 Difference]: Start difference. First operand 2514 states and 3252 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:16,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:16,939 INFO L93 Difference]: Finished difference Result 4793 states and 6258 transitions. [2024-12-02 13:36:16,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:36:16,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-12-02 13:36:16,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:16,943 INFO L225 Difference]: With dead ends: 4793 [2024-12-02 13:36:16,943 INFO L226 Difference]: Without dead ends: 2890 [2024-12-02 13:36:16,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:36:16,945 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 132 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:16,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 554 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:16,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2890 states. [2024-12-02 13:36:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2890 to 2722. [2024-12-02 13:36:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2553 states have (on average 1.2933803368585977) internal successors, (3302), 2561 states have internal predecessors, (3302), 125 states have call successors, (125), 43 states have call predecessors, (125), 43 states have return successors, (125), 117 states have call predecessors, (125), 125 states have call successors, (125) [2024-12-02 13:36:17,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3552 transitions. [2024-12-02 13:36:17,104 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3552 transitions. Word has length 157 [2024-12-02 13:36:17,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:17,104 INFO L471 AbstractCegarLoop]: Abstraction has 2722 states and 3552 transitions. [2024-12-02 13:36:17,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:17,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3552 transitions. [2024-12-02 13:36:17,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 13:36:17,105 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:17,105 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:17,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Ended with exit code 0 [2024-12-02 13:36:17,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:17,306 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:17,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:17,306 INFO L85 PathProgramCache]: Analyzing trace with hash 131878901, now seen corresponding path program 1 times [2024-12-02 13:36:17,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:17,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656273258] [2024-12-02 13:36:17,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:17,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:17,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:17,308 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:17,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2024-12-02 13:36:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:17,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-02 13:36:17,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:18,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:36:18,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:36:18,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:36:18,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2024-12-02 13:36:18,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-12-02 13:36:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 431 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 13:36:19,047 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:19,928 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:19,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656273258] [2024-12-02 13:36:19,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656273258] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:19,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:19,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [18] total 30 [2024-12-02 13:36:19,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9982162] [2024-12-02 13:36:19,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:19,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:36:19,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:19,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:36:19,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=769, Unknown=0, NotChecked=0, Total=870 [2024-12-02 13:36:19,930 INFO L87 Difference]: Start difference. First operand 2722 states and 3552 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:21,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:21,750 INFO L93 Difference]: Finished difference Result 5166 states and 6768 transitions. [2024-12-02 13:36:21,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:36:21,751 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-12-02 13:36:21,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:21,754 INFO L225 Difference]: With dead ends: 5166 [2024-12-02 13:36:21,755 INFO L226 Difference]: Without dead ends: 2970 [2024-12-02 13:36:21,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=219, Invalid=1263, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 13:36:21,756 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 334 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 1991 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:21,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 1991 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 13:36:21,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2970 states. [2024-12-02 13:36:21,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2970 to 2593. [2024-12-02 13:36:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2593 states, 2424 states have (on average 1.290016501650165) internal successors, (3127), 2432 states have internal predecessors, (3127), 125 states have call successors, (125), 43 states have call predecessors, (125), 43 states have return successors, (125), 117 states have call predecessors, (125), 125 states have call successors, (125) [2024-12-02 13:36:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2593 states and 3377 transitions. [2024-12-02 13:36:21,918 INFO L78 Accepts]: Start accepts. Automaton has 2593 states and 3377 transitions. Word has length 157 [2024-12-02 13:36:21,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:21,918 INFO L471 AbstractCegarLoop]: Abstraction has 2593 states and 3377 transitions. [2024-12-02 13:36:21,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 3377 transitions. [2024-12-02 13:36:21,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 13:36:21,919 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:21,919 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:21,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Ended with exit code 0 [2024-12-02 13:36:22,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:22,121 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:22,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:22,122 INFO L85 PathProgramCache]: Analyzing trace with hash -2112104397, now seen corresponding path program 1 times [2024-12-02 13:36:22,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:22,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534682300] [2024-12-02 13:36:22,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:22,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:22,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:22,130 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:22,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2024-12-02 13:36:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:22,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-02 13:36:22,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:23,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:36:23,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:36:23,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:36:23,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-12-02 13:36:23,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2024-12-02 13:36:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 431 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 13:36:23,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:25,019 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:25,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534682300] [2024-12-02 13:36:25,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534682300] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:25,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:25,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [18] total 33 [2024-12-02 13:36:25,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662926970] [2024-12-02 13:36:25,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:25,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:36:25,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:25,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:36:25,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=925, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 13:36:25,020 INFO L87 Difference]: Start difference. First operand 2593 states and 3377 transitions. Second operand has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:27,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:27,900 INFO L93 Difference]: Finished difference Result 5547 states and 7156 transitions. [2024-12-02 13:36:27,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 13:36:27,901 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-12-02 13:36:27,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:27,905 INFO L225 Difference]: With dead ends: 5547 [2024-12-02 13:36:27,905 INFO L226 Difference]: Without dead ends: 3144 [2024-12-02 13:36:27,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=395, Invalid=1957, Unknown=0, NotChecked=0, Total=2352 [2024-12-02 13:36:27,908 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 783 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:27,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1566 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 13:36:27,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3144 states. [2024-12-02 13:36:28,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3144 to 2487. [2024-12-02 13:36:28,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2318 states have (on average 1.280414150129422) internal successors, (2968), 2326 states have internal predecessors, (2968), 125 states have call successors, (125), 43 states have call predecessors, (125), 43 states have return successors, (125), 117 states have call predecessors, (125), 125 states have call successors, (125) [2024-12-02 13:36:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3218 transitions. [2024-12-02 13:36:28,123 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3218 transitions. Word has length 157 [2024-12-02 13:36:28,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:28,123 INFO L471 AbstractCegarLoop]: Abstraction has 2487 states and 3218 transitions. [2024-12-02 13:36:28,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3218 transitions. [2024-12-02 13:36:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 13:36:28,124 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:28,124 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:28,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Forceful destruction successful, exit code 0 [2024-12-02 13:36:28,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:28,324 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:28,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:28,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1084242825, now seen corresponding path program 1 times [2024-12-02 13:36:28,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:28,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256002606] [2024-12-02 13:36:28,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:28,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:28,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:28,327 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:28,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Waiting until timeout for monitored process [2024-12-02 13:36:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:28,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 13:36:28,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:29,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:36:29,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:36:29,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:36:29,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 53 [2024-12-02 13:36:29,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2024-12-02 13:36:29,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2024-12-02 13:36:29,728 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 391 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 13:36:29,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:30,346 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:30,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256002606] [2024-12-02 13:36:30,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256002606] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:30,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:30,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [18] total 26 [2024-12-02 13:36:30,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676900745] [2024-12-02 13:36:30,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:30,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:36:30,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:30,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:36:30,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:36:30,347 INFO L87 Difference]: Start difference. First operand 2487 states and 3218 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:31,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:31,891 INFO L93 Difference]: Finished difference Result 4609 states and 5989 transitions. [2024-12-02 13:36:31,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:36:31,892 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-12-02 13:36:31,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:31,895 INFO L225 Difference]: With dead ends: 4609 [2024-12-02 13:36:31,895 INFO L226 Difference]: Without dead ends: 2718 [2024-12-02 13:36:31,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=201, Invalid=855, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 13:36:31,897 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 419 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:31,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1476 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:36:31,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2024-12-02 13:36:32,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2552. [2024-12-02 13:36:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2552 states, 2356 states have (on average 1.269949066213922) internal successors, (2992), 2366 states have internal predecessors, (2992), 145 states have call successors, (145), 50 states have call predecessors, (145), 50 states have return successors, (145), 135 states have call predecessors, (145), 145 states have call successors, (145) [2024-12-02 13:36:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2552 states and 3282 transitions. [2024-12-02 13:36:32,122 INFO L78 Accepts]: Start accepts. Automaton has 2552 states and 3282 transitions. Word has length 157 [2024-12-02 13:36:32,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:32,122 INFO L471 AbstractCegarLoop]: Abstraction has 2552 states and 3282 transitions. [2024-12-02 13:36:32,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2552 states and 3282 transitions. [2024-12-02 13:36:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 13:36:32,123 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:32,123 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:32,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Ended with exit code 0 [2024-12-02 13:36:32,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:32,323 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:32,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:32,324 INFO L85 PathProgramCache]: Analyzing trace with hash 77351351, now seen corresponding path program 1 times [2024-12-02 13:36:32,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:32,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349993917] [2024-12-02 13:36:32,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:32,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:32,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:32,326 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:32,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2024-12-02 13:36:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:32,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 13:36:32,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:33,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:36:33,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:36:33,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:36:33,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2024-12-02 13:36:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 5 proven. 391 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 13:36:33,436 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:33,974 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:33,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349993917] [2024-12-02 13:36:33,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349993917] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:33,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:33,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 23 [2024-12-02 13:36:33,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338035114] [2024-12-02 13:36:33,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:33,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:36:33,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:33,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:36:33,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:36:33,975 INFO L87 Difference]: Start difference. First operand 2552 states and 3282 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:35,085 INFO L93 Difference]: Finished difference Result 4554 states and 5906 transitions. [2024-12-02 13:36:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:36:35,086 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 157 [2024-12-02 13:36:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:35,089 INFO L225 Difference]: With dead ends: 4554 [2024-12-02 13:36:35,089 INFO L226 Difference]: Without dead ends: 2532 [2024-12-02 13:36:35,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=126, Invalid=686, Unknown=0, NotChecked=0, Total=812 [2024-12-02 13:36:35,091 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 281 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:35,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 1413 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:36:35,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2024-12-02 13:36:35,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 2460. [2024-12-02 13:36:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2460 states, 2272 states have (on average 1.2702464788732395) internal successors, (2886), 2281 states have internal predecessors, (2886), 139 states have call successors, (139), 48 states have call predecessors, (139), 48 states have return successors, (139), 130 states have call predecessors, (139), 139 states have call successors, (139) [2024-12-02 13:36:35,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2460 states and 3164 transitions. [2024-12-02 13:36:35,274 INFO L78 Accepts]: Start accepts. Automaton has 2460 states and 3164 transitions. Word has length 157 [2024-12-02 13:36:35,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:35,274 INFO L471 AbstractCegarLoop]: Abstraction has 2460 states and 3164 transitions. [2024-12-02 13:36:35,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 3164 transitions. [2024-12-02 13:36:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:36:35,275 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:35,275 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:35,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Forceful destruction successful, exit code 0 [2024-12-02 13:36:35,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:35,476 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:35,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:35,476 INFO L85 PathProgramCache]: Analyzing trace with hash -472058512, now seen corresponding path program 1 times [2024-12-02 13:36:35,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:35,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498265554] [2024-12-02 13:36:35,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:35,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:35,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:35,478 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:35,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2024-12-02 13:36:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:35,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 13:36:35,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:36,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:36:36,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:36:36,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2024-12-02 13:36:36,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2024-12-02 13:36:36,775 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 13:36:36,775 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:37,458 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:37,458 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:37,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498265554] [2024-12-02 13:36:37,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498265554] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:37,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:37,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 26 [2024-12-02 13:36:37,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145626368] [2024-12-02 13:36:37,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:37,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:36:37,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:37,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:36:37,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=521, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:36:37,459 INFO L87 Difference]: Start difference. First operand 2460 states and 3164 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:39,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:39,095 INFO L93 Difference]: Finished difference Result 5447 states and 7026 transitions. [2024-12-02 13:36:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:36:39,095 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:36:39,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:39,099 INFO L225 Difference]: With dead ends: 5447 [2024-12-02 13:36:39,099 INFO L226 Difference]: Without dead ends: 3562 [2024-12-02 13:36:39,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 13:36:39,101 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 644 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:39,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 1733 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:36:39,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2024-12-02 13:36:39,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 2840. [2024-12-02 13:36:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2840 states, 2652 states have (on average 1.2805429864253393) internal successors, (3396), 2661 states have internal predecessors, (3396), 139 states have call successors, (139), 48 states have call predecessors, (139), 48 states have return successors, (139), 130 states have call predecessors, (139), 139 states have call successors, (139) [2024-12-02 13:36:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3674 transitions. [2024-12-02 13:36:39,353 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3674 transitions. Word has length 159 [2024-12-02 13:36:39,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:39,353 INFO L471 AbstractCegarLoop]: Abstraction has 2840 states and 3674 transitions. [2024-12-02 13:36:39,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3674 transitions. [2024-12-02 13:36:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:36:39,354 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:39,354 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:39,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Ended with exit code 0 [2024-12-02 13:36:39,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:39,555 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:39,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:39,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1828764078, now seen corresponding path program 1 times [2024-12-02 13:36:39,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:39,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026763668] [2024-12-02 13:36:39,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:39,556 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:39,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:39,557 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:39,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2024-12-02 13:36:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:39,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-02 13:36:39,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:40,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:36:40,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:36:40,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-12-02 13:36:41,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2024-12-02 13:36:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 13:36:41,091 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:42,028 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:42,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026763668] [2024-12-02 13:36:42,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026763668] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:42,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:42,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [16] total 31 [2024-12-02 13:36:42,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642912689] [2024-12-02 13:36:42,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:42,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:36:42,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:42,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:36:42,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=718, Unknown=0, NotChecked=0, Total=930 [2024-12-02 13:36:42,030 INFO L87 Difference]: Start difference. First operand 2840 states and 3674 transitions. Second operand has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 17 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:44,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:44,439 INFO L93 Difference]: Finished difference Result 5923 states and 7623 transitions. [2024-12-02 13:36:44,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 13:36:44,440 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 17 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:36:44,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:44,444 INFO L225 Difference]: With dead ends: 5923 [2024-12-02 13:36:44,444 INFO L226 Difference]: Without dead ends: 3716 [2024-12-02 13:36:44,446 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=576, Invalid=1586, Unknown=0, NotChecked=0, Total=2162 [2024-12-02 13:36:44,446 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 885 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:44,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1424 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 13:36:44,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3716 states. [2024-12-02 13:36:44,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3716 to 2828. [2024-12-02 13:36:44,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2640 states have (on average 1.2825757575757575) internal successors, (3386), 2649 states have internal predecessors, (3386), 139 states have call successors, (139), 48 states have call predecessors, (139), 48 states have return successors, (139), 130 states have call predecessors, (139), 139 states have call successors, (139) [2024-12-02 13:36:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 3664 transitions. [2024-12-02 13:36:44,663 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 3664 transitions. Word has length 159 [2024-12-02 13:36:44,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:44,663 INFO L471 AbstractCegarLoop]: Abstraction has 2828 states and 3664 transitions. [2024-12-02 13:36:44,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 17 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3664 transitions. [2024-12-02 13:36:44,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:36:44,664 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:44,664 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:44,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Forceful destruction successful, exit code 0 [2024-12-02 13:36:44,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:44,865 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:44,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:44,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1029800199, now seen corresponding path program 1 times [2024-12-02 13:36:44,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:44,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197602174] [2024-12-02 13:36:44,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:44,866 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:44,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:44,867 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:44,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2024-12-02 13:36:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:45,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:36:45,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:45,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-12-02 13:36:45,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-12-02 13:36:45,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-12-02 13:36:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:45,426 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:45,426 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:45,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197602174] [2024-12-02 13:36:45,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197602174] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:45,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:45,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:36:45,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294175947] [2024-12-02 13:36:45,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:45,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:36:45,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:45,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:36:45,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:36:45,427 INFO L87 Difference]: Start difference. First operand 2828 states and 3664 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:46,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:46,258 INFO L93 Difference]: Finished difference Result 6349 states and 8277 transitions. [2024-12-02 13:36:46,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:36:46,259 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:36:46,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:46,263 INFO L225 Difference]: With dead ends: 6349 [2024-12-02 13:36:46,264 INFO L226 Difference]: Without dead ends: 4148 [2024-12-02 13:36:46,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:36:46,265 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 133 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:46,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1630 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:36:46,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2024-12-02 13:36:46,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 3143. [2024-12-02 13:36:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3143 states, 2955 states have (on average 1.2913705583756345) internal successors, (3816), 2964 states have internal predecessors, (3816), 139 states have call successors, (139), 48 states have call predecessors, (139), 48 states have return successors, (139), 130 states have call predecessors, (139), 139 states have call successors, (139) [2024-12-02 13:36:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 3143 states and 4094 transitions. [2024-12-02 13:36:46,474 INFO L78 Accepts]: Start accepts. Automaton has 3143 states and 4094 transitions. Word has length 159 [2024-12-02 13:36:46,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:46,474 INFO L471 AbstractCegarLoop]: Abstraction has 3143 states and 4094 transitions. [2024-12-02 13:36:46,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:46,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 4094 transitions. [2024-12-02 13:36:46,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:36:46,475 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:46,475 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:46,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Ended with exit code 0 [2024-12-02 13:36:46,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:46,676 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:46,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:46,676 INFO L85 PathProgramCache]: Analyzing trace with hash 442994185, now seen corresponding path program 1 times [2024-12-02 13:36:46,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:46,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087884871] [2024-12-02 13:36:46,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:46,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:46,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:46,678 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:46,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2024-12-02 13:36:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:47,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:36:47,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:47,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-12-02 13:36:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:47,119 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:36:47,119 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:47,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087884871] [2024-12-02 13:36:47,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087884871] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:36:47,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:36:47,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:36:47,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225947342] [2024-12-02 13:36:47,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:47,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:36:47,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:47,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:36:47,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:36:47,120 INFO L87 Difference]: Start difference. First operand 3143 states and 4094 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:47,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:47,615 INFO L93 Difference]: Finished difference Result 6618 states and 8651 transitions. [2024-12-02 13:36:47,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:36:47,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:36:47,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:47,620 INFO L225 Difference]: With dead ends: 6618 [2024-12-02 13:36:47,620 INFO L226 Difference]: Without dead ends: 4102 [2024-12-02 13:36:47,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:36:47,622 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 126 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:47,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 553 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:36:47,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4102 states. [2024-12-02 13:36:47,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4102 to 3955. [2024-12-02 13:36:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3955 states, 3671 states have (on average 1.2764914192318169) internal successors, (4686), 3685 states have internal predecessors, (4686), 211 states have call successors, (211), 72 states have call predecessors, (211), 72 states have return successors, (211), 197 states have call predecessors, (211), 211 states have call successors, (211) [2024-12-02 13:36:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 5108 transitions. [2024-12-02 13:36:47,948 INFO L78 Accepts]: Start accepts. Automaton has 3955 states and 5108 transitions. Word has length 159 [2024-12-02 13:36:47,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:47,948 INFO L471 AbstractCegarLoop]: Abstraction has 3955 states and 5108 transitions. [2024-12-02 13:36:47,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 5108 transitions. [2024-12-02 13:36:47,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:36:47,950 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:47,950 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:47,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Ended with exit code 0 [2024-12-02 13:36:48,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:48,151 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:48,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:48,151 INFO L85 PathProgramCache]: Analyzing trace with hash 255739312, now seen corresponding path program 1 times [2024-12-02 13:36:48,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:48,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547992316] [2024-12-02 13:36:48,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:48,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:48,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:48,153 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:48,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2024-12-02 13:36:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:48,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 13:36:48,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:48,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:36:48,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:36:49,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2024-12-02 13:36:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 13:36:49,244 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:49,899 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:49,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547992316] [2024-12-02 13:36:49,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1547992316] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:49,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:49,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11] total 23 [2024-12-02 13:36:49,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123638699] [2024-12-02 13:36:49,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:49,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:36:49,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:49,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:36:49,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:36:49,901 INFO L87 Difference]: Start difference. First operand 3955 states and 5108 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:51,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:51,754 INFO L93 Difference]: Finished difference Result 7714 states and 9976 transitions. [2024-12-02 13:36:51,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:36:51,755 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:36:51,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:51,761 INFO L225 Difference]: With dead ends: 7714 [2024-12-02 13:36:51,761 INFO L226 Difference]: Without dead ends: 4303 [2024-12-02 13:36:51,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=196, Invalid=796, Unknown=0, NotChecked=0, Total=992 [2024-12-02 13:36:51,764 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 447 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:51,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 2052 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:36:51,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4303 states. [2024-12-02 13:36:52,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4303 to 3826. [2024-12-02 13:36:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 3542 states have (on average 1.2735742518351214) internal successors, (4511), 3556 states have internal predecessors, (4511), 211 states have call successors, (211), 72 states have call predecessors, (211), 72 states have return successors, (211), 197 states have call predecessors, (211), 211 states have call successors, (211) [2024-12-02 13:36:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 4933 transitions. [2024-12-02 13:36:52,098 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 4933 transitions. Word has length 159 [2024-12-02 13:36:52,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:52,098 INFO L471 AbstractCegarLoop]: Abstraction has 3826 states and 4933 transitions. [2024-12-02 13:36:52,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 4933 transitions. [2024-12-02 13:36:52,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:36:52,099 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:52,099 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:52,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Ended with exit code 0 [2024-12-02 13:36:52,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:52,300 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:52,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:52,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1988243986, now seen corresponding path program 1 times [2024-12-02 13:36:52,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:52,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507470692] [2024-12-02 13:36:52,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:52,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:52,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:52,302 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:52,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2024-12-02 13:36:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:52,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 13:36:52,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:53,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:36:53,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:36:53,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-12-02 13:36:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 13:36:53,372 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:54,240 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:54,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507470692] [2024-12-02 13:36:54,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507470692] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:54,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:54,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [11] total 27 [2024-12-02 13:36:54,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814235999] [2024-12-02 13:36:54,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:54,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 13:36:54,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:54,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 13:36:54,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2024-12-02 13:36:54,241 INFO L87 Difference]: Start difference. First operand 3826 states and 4933 transitions. Second operand has 18 states, 18 states have (on average 4.277777777777778) internal successors, (77), 18 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:56,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:36:56,702 INFO L93 Difference]: Finished difference Result 7761 states and 9985 transitions. [2024-12-02 13:36:56,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 13:36:56,703 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.277777777777778) internal successors, (77), 18 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:36:56,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:36:56,708 INFO L225 Difference]: With dead ends: 7761 [2024-12-02 13:36:56,708 INFO L226 Difference]: Without dead ends: 4530 [2024-12-02 13:36:56,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=387, Invalid=1419, Unknown=0, NotChecked=0, Total=1806 [2024-12-02 13:36:56,711 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 623 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 1881 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:36:56,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 1881 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 13:36:56,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2024-12-02 13:36:57,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 3734. [2024-12-02 13:36:57,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3734 states, 3457 states have (on average 1.2745154758461092) internal successors, (4406), 3470 states have internal predecessors, (4406), 205 states have call successors, (205), 71 states have call predecessors, (205), 71 states have return successors, (205), 192 states have call predecessors, (205), 205 states have call successors, (205) [2024-12-02 13:36:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3734 states and 4816 transitions. [2024-12-02 13:36:57,027 INFO L78 Accepts]: Start accepts. Automaton has 3734 states and 4816 transitions. Word has length 159 [2024-12-02 13:36:57,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:36:57,027 INFO L471 AbstractCegarLoop]: Abstraction has 3734 states and 4816 transitions. [2024-12-02 13:36:57,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.277777777777778) internal successors, (77), 18 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:36:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 4816 transitions. [2024-12-02 13:36:57,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:36:57,028 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:36:57,028 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:36:57,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Ended with exit code 0 [2024-12-02 13:36:57,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:57,229 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:36:57,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:36:57,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1501417810, now seen corresponding path program 1 times [2024-12-02 13:36:57,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:36:57,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937393776] [2024-12-02 13:36:57,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:57,229 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:36:57,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:36:57,231 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:36:57,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2024-12-02 13:36:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:57,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 13:36:57,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:36:58,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:36:58,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:36:58,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2024-12-02 13:36:58,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2024-12-02 13:36:58,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2024-12-02 13:36:58,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2024-12-02 13:36:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 13:36:58,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:36:59,391 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:36:59,391 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:36:59,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937393776] [2024-12-02 13:36:59,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937393776] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:59,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:36:59,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 27 [2024-12-02 13:36:59,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405369032] [2024-12-02 13:36:59,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:36:59,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:36:59,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:36:59,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:36:59,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=562, Unknown=0, NotChecked=0, Total=702 [2024-12-02 13:36:59,393 INFO L87 Difference]: Start difference. First operand 3734 states and 4816 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:01,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:01,267 INFO L93 Difference]: Finished difference Result 7363 states and 9496 transitions. [2024-12-02 13:37:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:37:01,268 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:37:01,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:01,274 INFO L225 Difference]: With dead ends: 7363 [2024-12-02 13:37:01,274 INFO L226 Difference]: Without dead ends: 4231 [2024-12-02 13:37:01,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=278, Invalid=982, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 13:37:01,277 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 540 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:01,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1741 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 13:37:01,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4231 states. [2024-12-02 13:37:01,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4231 to 3702. [2024-12-02 13:37:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3702 states, 3425 states have (on average 1.272992700729927) internal successors, (4360), 3438 states have internal predecessors, (4360), 205 states have call successors, (205), 71 states have call predecessors, (205), 71 states have return successors, (205), 192 states have call predecessors, (205), 205 states have call successors, (205) [2024-12-02 13:37:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3702 states and 4770 transitions. [2024-12-02 13:37:01,741 INFO L78 Accepts]: Start accepts. Automaton has 3702 states and 4770 transitions. Word has length 159 [2024-12-02 13:37:01,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:01,741 INFO L471 AbstractCegarLoop]: Abstraction has 3702 states and 4770 transitions. [2024-12-02 13:37:01,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3702 states and 4770 transitions. [2024-12-02 13:37:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:37:01,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:01,743 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:01,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Ended with exit code 0 [2024-12-02 13:37:01,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:01,944 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:01,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:01,944 INFO L85 PathProgramCache]: Analyzing trace with hash 799404780, now seen corresponding path program 1 times [2024-12-02 13:37:01,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:01,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846889844] [2024-12-02 13:37:01,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:01,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:01,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:01,946 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:01,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Waiting until timeout for monitored process [2024-12-02 13:37:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:02,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 13:37:02,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:02,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:02,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:37:03,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-12-02 13:37:03,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2024-12-02 13:37:03,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2024-12-02 13:37:03,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2024-12-02 13:37:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 13:37:03,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:04,557 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:04,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846889844] [2024-12-02 13:37:04,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846889844] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:04,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:04,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [18] total 31 [2024-12-02 13:37:04,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224487090] [2024-12-02 13:37:04,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:04,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 13:37:04,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:04,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 13:37:04,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2024-12-02 13:37:04,559 INFO L87 Difference]: Start difference. First operand 3702 states and 4770 transitions. Second operand has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:07,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:07,500 INFO L93 Difference]: Finished difference Result 7689 states and 9843 transitions. [2024-12-02 13:37:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 13:37:07,500 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:37:07,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:07,505 INFO L225 Difference]: With dead ends: 7689 [2024-12-02 13:37:07,505 INFO L226 Difference]: Without dead ends: 4593 [2024-12-02 13:37:07,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=538, Invalid=1624, Unknown=0, NotChecked=0, Total=2162 [2024-12-02 13:37:07,507 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 540 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:07,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1570 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:37:07,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4593 states. [2024-12-02 13:37:07,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4593 to 3666. [2024-12-02 13:37:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3666 states, 3389 states have (on average 1.2741221599291825) internal successors, (4318), 3402 states have internal predecessors, (4318), 205 states have call successors, (205), 71 states have call predecessors, (205), 71 states have return successors, (205), 192 states have call predecessors, (205), 205 states have call successors, (205) [2024-12-02 13:37:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 3666 states and 4728 transitions. [2024-12-02 13:37:07,828 INFO L78 Accepts]: Start accepts. Automaton has 3666 states and 4728 transitions. Word has length 159 [2024-12-02 13:37:07,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:07,828 INFO L471 AbstractCegarLoop]: Abstraction has 3666 states and 4728 transitions. [2024-12-02 13:37:07,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.8125) internal successors, (77), 16 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3666 states and 4728 transitions. [2024-12-02 13:37:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:37:07,829 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:07,829 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:07,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Ended with exit code 0 [2024-12-02 13:37:08,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:08,029 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:08,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:08,030 INFO L85 PathProgramCache]: Analyzing trace with hash 440901, now seen corresponding path program 1 times [2024-12-02 13:37:08,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:08,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467646993] [2024-12-02 13:37:08,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:08,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:08,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:08,031 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:08,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2024-12-02 13:37:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:08,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:37:08,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:08,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-02 13:37:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:08,506 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:08,506 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:08,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467646993] [2024-12-02 13:37:08,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467646993] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:08,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:08,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:37:08,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154768662] [2024-12-02 13:37:08,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:08,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:08,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:08,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:08,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:37:08,507 INFO L87 Difference]: Start difference. First operand 3666 states and 4728 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:09,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:09,131 INFO L93 Difference]: Finished difference Result 7148 states and 9267 transitions. [2024-12-02 13:37:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:37:09,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:37:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:09,138 INFO L225 Difference]: With dead ends: 7148 [2024-12-02 13:37:09,138 INFO L226 Difference]: Without dead ends: 4080 [2024-12-02 13:37:09,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:37:09,141 INFO L435 NwaCegarLoop]: 280 mSDtfsCounter, 124 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:09,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 915 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:37:09,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4080 states. [2024-12-02 13:37:09,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4080 to 3540. [2024-12-02 13:37:09,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3540 states, 3294 states have (on average 1.278688524590164) internal successors, (4212), 3305 states have internal predecessors, (4212), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 4574 transitions. [2024-12-02 13:37:09,432 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 4574 transitions. Word has length 159 [2024-12-02 13:37:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:09,433 INFO L471 AbstractCegarLoop]: Abstraction has 3540 states and 4574 transitions. [2024-12-02 13:37:09,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4574 transitions. [2024-12-02 13:37:09,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:37:09,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:09,434 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:09,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Ended with exit code 0 [2024-12-02 13:37:09,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:09,634 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:09,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:09,635 INFO L85 PathProgramCache]: Analyzing trace with hash -586365113, now seen corresponding path program 1 times [2024-12-02 13:37:09,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:09,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378379332] [2024-12-02 13:37:09,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:09,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:09,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:09,637 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:09,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Waiting until timeout for monitored process [2024-12-02 13:37:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:10,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 13:37:10,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:10,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:10,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-12-02 13:37:10,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-02 13:37:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:10,164 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:10,164 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:10,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378379332] [2024-12-02 13:37:10,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378379332] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:10,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:10,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:37:10,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258588777] [2024-12-02 13:37:10,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:10,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:37:10,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:10,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:37:10,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:37:10,165 INFO L87 Difference]: Start difference. First operand 3540 states and 4574 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:10,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:10,912 INFO L93 Difference]: Finished difference Result 6505 states and 8451 transitions. [2024-12-02 13:37:10,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:37:10,912 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:37:10,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:10,917 INFO L225 Difference]: With dead ends: 6505 [2024-12-02 13:37:10,917 INFO L226 Difference]: Without dead ends: 3563 [2024-12-02 13:37:10,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:37:10,919 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 127 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:10,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 1921 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:37:10,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3563 states. [2024-12-02 13:37:11,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3563 to 3528. [2024-12-02 13:37:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3528 states, 3282 states have (on average 1.2784887263863498) internal successors, (4196), 3293 states have internal predecessors, (4196), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3528 states and 4558 transitions. [2024-12-02 13:37:11,257 INFO L78 Accepts]: Start accepts. Automaton has 3528 states and 4558 transitions. Word has length 159 [2024-12-02 13:37:11,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:11,257 INFO L471 AbstractCegarLoop]: Abstraction has 3528 states and 4558 transitions. [2024-12-02 13:37:11,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 4558 transitions. [2024-12-02 13:37:11,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:37:11,258 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:11,258 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:11,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Ended with exit code 0 [2024-12-02 13:37:11,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:11,459 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:11,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:11,459 INFO L85 PathProgramCache]: Analyzing trace with hash -773619986, now seen corresponding path program 1 times [2024-12-02 13:37:11,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:11,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [186749102] [2024-12-02 13:37:11,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:11,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:11,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:11,461 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:11,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2024-12-02 13:37:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:11,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 13:37:11,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:12,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:12,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:37:12,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 50 [2024-12-02 13:37:12,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2024-12-02 13:37:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 13:37:12,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:13,138 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:13,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [186749102] [2024-12-02 13:37:13,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [186749102] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:13,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:13,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [13] total 25 [2024-12-02 13:37:13,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467464824] [2024-12-02 13:37:13,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:13,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:37:13,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:13,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:37:13,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:37:13,139 INFO L87 Difference]: Start difference. First operand 3528 states and 4558 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:14,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:14,995 INFO L93 Difference]: Finished difference Result 6923 states and 8938 transitions. [2024-12-02 13:37:14,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:37:14,996 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:37:14,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:15,002 INFO L225 Difference]: With dead ends: 6923 [2024-12-02 13:37:15,002 INFO L226 Difference]: Without dead ends: 3908 [2024-12-02 13:37:15,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=212, Invalid=910, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 13:37:15,005 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 552 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 2149 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:15,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 2149 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 13:37:15,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2024-12-02 13:37:15,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3399. [2024-12-02 13:37:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3399 states, 3153 states have (on average 1.2752933713923247) internal successors, (4021), 3164 states have internal predecessors, (4021), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:15,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3399 states and 4383 transitions. [2024-12-02 13:37:15,306 INFO L78 Accepts]: Start accepts. Automaton has 3399 states and 4383 transitions. Word has length 159 [2024-12-02 13:37:15,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:15,306 INFO L471 AbstractCegarLoop]: Abstraction has 3399 states and 4383 transitions. [2024-12-02 13:37:15,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 4383 transitions. [2024-12-02 13:37:15,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:37:15,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:15,307 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:15,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Ended with exit code 0 [2024-12-02 13:37:15,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:15,508 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:15,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1277364012, now seen corresponding path program 1 times [2024-12-02 13:37:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:15,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128680149] [2024-12-02 13:37:15,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:15,508 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:15,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:15,510 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:15,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Waiting until timeout for monitored process [2024-12-02 13:37:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:15,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 13:37:15,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:16,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:16,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:37:16,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-12-02 13:37:16,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2024-12-02 13:37:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 13:37:16,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:17,583 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:17,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128680149] [2024-12-02 13:37:17,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128680149] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:17,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:17,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [13] total 28 [2024-12-02 13:37:17,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137259295] [2024-12-02 13:37:17,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:17,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:37:17,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:17,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:37:17,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=636, Unknown=0, NotChecked=0, Total=756 [2024-12-02 13:37:17,584 INFO L87 Difference]: Start difference. First operand 3399 states and 4383 transitions. Second operand has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 17 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:20,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:20,246 INFO L93 Difference]: Finished difference Result 6966 states and 8941 transitions. [2024-12-02 13:37:20,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 13:37:20,247 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 17 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:37:20,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:20,252 INFO L225 Difference]: With dead ends: 6966 [2024-12-02 13:37:20,252 INFO L226 Difference]: Without dead ends: 4131 [2024-12-02 13:37:20,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=384, Invalid=1508, Unknown=0, NotChecked=0, Total=1892 [2024-12-02 13:37:20,255 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 609 mSDsluCounter, 1757 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:20,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1958 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 13:37:20,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4131 states. [2024-12-02 13:37:20,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4131 to 3344. [2024-12-02 13:37:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3344 states, 3098 states have (on average 1.274047772756617) internal successors, (3947), 3109 states have internal predecessors, (3947), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:20,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 4309 transitions. [2024-12-02 13:37:20,580 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 4309 transitions. Word has length 159 [2024-12-02 13:37:20,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:20,580 INFO L471 AbstractCegarLoop]: Abstraction has 3344 states and 4309 transitions. [2024-12-02 13:37:20,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 17 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:20,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 4309 transitions. [2024-12-02 13:37:20,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:37:20,581 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:20,581 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:20,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Ended with exit code 0 [2024-12-02 13:37:20,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:20,782 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:20,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:20,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1714631090, now seen corresponding path program 1 times [2024-12-02 13:37:20,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:20,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1986274534] [2024-12-02 13:37:20,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:20,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:20,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:20,784 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:20,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Waiting until timeout for monitored process [2024-12-02 13:37:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:21,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 13:37:21,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:21,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:21,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:37:21,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 53 [2024-12-02 13:37:21,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 42 [2024-12-02 13:37:21,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2024-12-02 13:37:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-02 13:37:21,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:22,300 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:22,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1986274534] [2024-12-02 13:37:22,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1986274534] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:22,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:22,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 21 [2024-12-02 13:37:22,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900402533] [2024-12-02 13:37:22,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:22,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:37:22,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:22,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:37:22,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:37:22,301 INFO L87 Difference]: Start difference. First operand 3344 states and 4309 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:23,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:23,894 INFO L93 Difference]: Finished difference Result 6444 states and 8312 transitions. [2024-12-02 13:37:23,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:37:23,894 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:37:23,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:23,900 INFO L225 Difference]: With dead ends: 6444 [2024-12-02 13:37:23,900 INFO L226 Difference]: Without dead ends: 3679 [2024-12-02 13:37:23,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-12-02 13:37:23,903 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 467 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:23,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1724 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 13:37:23,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3679 states. [2024-12-02 13:37:24,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3679 to 3298. [2024-12-02 13:37:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3298 states, 3052 states have (on average 1.2729357798165137) internal successors, (3885), 3063 states have internal predecessors, (3885), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 3298 states and 4247 transitions. [2024-12-02 13:37:24,201 INFO L78 Accepts]: Start accepts. Automaton has 3298 states and 4247 transitions. Word has length 159 [2024-12-02 13:37:24,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:24,201 INFO L471 AbstractCegarLoop]: Abstraction has 3298 states and 4247 transitions. [2024-12-02 13:37:24,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:24,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 4247 transitions. [2024-12-02 13:37:24,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:37:24,202 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:24,202 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:24,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Ended with exit code 0 [2024-12-02 13:37:24,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:24,402 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:24,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:24,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1418742030, now seen corresponding path program 1 times [2024-12-02 13:37:24,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:24,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28299450] [2024-12-02 13:37:24,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:24,403 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:24,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:24,404 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:24,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (76)] Waiting until timeout for monitored process [2024-12-02 13:37:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:24,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 13:37:24,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:24,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:24,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:37:25,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 49 [2024-12-02 13:37:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-02 13:37:25,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:25,361 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:25,361 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:25,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28299450] [2024-12-02 13:37:25,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28299450] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:25,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:25,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2024-12-02 13:37:25,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544043169] [2024-12-02 13:37:25,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:25,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:37:25,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:25,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:37:25,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:37:25,363 INFO L87 Difference]: Start difference. First operand 3298 states and 4247 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:26,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:26,500 INFO L93 Difference]: Finished difference Result 6231 states and 8046 transitions. [2024-12-02 13:37:26,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:37:26,501 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:37:26,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:26,506 INFO L225 Difference]: With dead ends: 6231 [2024-12-02 13:37:26,506 INFO L226 Difference]: Without dead ends: 3446 [2024-12-02 13:37:26,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:37:26,508 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 285 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:26,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1587 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:37:26,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2024-12-02 13:37:26,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 3252. [2024-12-02 13:37:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 3006 states have (on average 1.2704590818363273) internal successors, (3819), 3017 states have internal predecessors, (3819), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:26,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4181 transitions. [2024-12-02 13:37:26,796 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4181 transitions. Word has length 159 [2024-12-02 13:37:26,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:26,796 INFO L471 AbstractCegarLoop]: Abstraction has 3252 states and 4181 transitions. [2024-12-02 13:37:26,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4181 transitions. [2024-12-02 13:37:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:37:26,796 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:26,797 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:26,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (76)] Ended with exit code 0 [2024-12-02 13:37:26,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:26,997 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:26,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:26,997 INFO L85 PathProgramCache]: Analyzing trace with hash 685271792, now seen corresponding path program 1 times [2024-12-02 13:37:26,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:26,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923268944] [2024-12-02 13:37:26,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:26,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:26,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:26,999 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:27,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (77)] Waiting until timeout for monitored process [2024-12-02 13:37:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:27,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 13:37:27,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:27,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:27,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:37:27,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 53 [2024-12-02 13:37:27,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2024-12-02 13:37:27,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2024-12-02 13:37:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-02 13:37:28,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:28,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:28,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923268944] [2024-12-02 13:37:28,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923268944] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:28,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:28,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 21 [2024-12-02 13:37:28,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040614976] [2024-12-02 13:37:28,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:28,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:37:28,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:28,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:37:28,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:37:28,411 INFO L87 Difference]: Start difference. First operand 3252 states and 4181 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:29,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:29,836 INFO L93 Difference]: Finished difference Result 6183 states and 7964 transitions. [2024-12-02 13:37:29,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:37:29,836 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:37:29,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:29,842 INFO L225 Difference]: With dead ends: 6183 [2024-12-02 13:37:29,842 INFO L226 Difference]: Without dead ends: 3497 [2024-12-02 13:37:29,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-12-02 13:37:29,844 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 364 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:29,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 1522 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 13:37:29,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3497 states. [2024-12-02 13:37:30,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3497 to 3262. [2024-12-02 13:37:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3262 states, 3005 states have (on average 1.2662229617304492) internal successors, (3805), 3017 states have internal predecessors, (3805), 189 states have call successors, (189), 67 states have call predecessors, (189), 67 states have return successors, (189), 177 states have call predecessors, (189), 189 states have call successors, (189) [2024-12-02 13:37:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4183 transitions. [2024-12-02 13:37:30,182 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4183 transitions. Word has length 159 [2024-12-02 13:37:30,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:30,182 INFO L471 AbstractCegarLoop]: Abstraction has 3262 states and 4183 transitions. [2024-12-02 13:37:30,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:30,182 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4183 transitions. [2024-12-02 13:37:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 13:37:30,183 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:30,183 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:30,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (77)] Forceful destruction successful, exit code 0 [2024-12-02 13:37:30,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:30,383 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:30,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:30,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1846865968, now seen corresponding path program 1 times [2024-12-02 13:37:30,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:30,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193713600] [2024-12-02 13:37:30,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:30,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:30,385 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:30,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (78)] Waiting until timeout for monitored process [2024-12-02 13:37:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:30,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 13:37:30,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:30,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:30,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:37:31,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 50 [2024-12-02 13:37:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-12-02 13:37:31,087 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 13:37:31,396 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:31,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193713600] [2024-12-02 13:37:31,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193713600] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:31,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:31,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2024-12-02 13:37:31,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076532659] [2024-12-02 13:37:31,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:31,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:37:31,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:31,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:37:31,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:37:31,398 INFO L87 Difference]: Start difference. First operand 3262 states and 4183 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:32,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:32,493 INFO L93 Difference]: Finished difference Result 6025 states and 7761 transitions. [2024-12-02 13:37:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 13:37:32,493 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 159 [2024-12-02 13:37:32,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:32,498 INFO L225 Difference]: With dead ends: 6025 [2024-12-02 13:37:32,498 INFO L226 Difference]: Without dead ends: 3263 [2024-12-02 13:37:32,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:37:32,500 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 168 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:32,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 1714 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:37:32,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2024-12-02 13:37:32,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 3160. [2024-12-02 13:37:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3160 states, 2914 states have (on average 1.266643788606726) internal successors, (3691), 2925 states have internal predecessors, (3691), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:32,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 4053 transitions. [2024-12-02 13:37:32,794 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 4053 transitions. Word has length 159 [2024-12-02 13:37:32,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:32,795 INFO L471 AbstractCegarLoop]: Abstraction has 3160 states and 4053 transitions. [2024-12-02 13:37:32,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 4053 transitions. [2024-12-02 13:37:32,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-12-02 13:37:32,797 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:32,798 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:32,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (78)] Ended with exit code 0 [2024-12-02 13:37:32,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:32,998 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:32,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:32,998 INFO L85 PathProgramCache]: Analyzing trace with hash -400322156, now seen corresponding path program 1 times [2024-12-02 13:37:32,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:32,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767137086] [2024-12-02 13:37:32,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:32,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:32,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:33,000 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:33,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (79)] Waiting until timeout for monitored process [2024-12-02 13:37:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:33,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:37:33,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:33,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2284 trivial. 0 not checked. [2024-12-02 13:37:33,625 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:37:33,625 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:33,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767137086] [2024-12-02 13:37:33,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767137086] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:37:33,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:37:33,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:37:33,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569900473] [2024-12-02 13:37:33,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:33,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:33,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:33,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:33,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:37:33,626 INFO L87 Difference]: Start difference. First operand 3160 states and 4053 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:33,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:33,990 INFO L93 Difference]: Finished difference Result 6722 states and 8431 transitions. [2024-12-02 13:37:33,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:37:33,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 292 [2024-12-02 13:37:33,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:33,997 INFO L225 Difference]: With dead ends: 6722 [2024-12-02 13:37:33,997 INFO L226 Difference]: Without dead ends: 3724 [2024-12-02 13:37:33,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:37:34,000 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 63 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:34,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 776 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:37:34,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2024-12-02 13:37:34,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 2928. [2024-12-02 13:37:34,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2682 states have (on average 1.2013422818791946) internal successors, (3222), 2693 states have internal predecessors, (3222), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:34,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 3584 transitions. [2024-12-02 13:37:34,436 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 3584 transitions. Word has length 292 [2024-12-02 13:37:34,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:34,436 INFO L471 AbstractCegarLoop]: Abstraction has 2928 states and 3584 transitions. [2024-12-02 13:37:34,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 3584 transitions. [2024-12-02 13:37:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-12-02 13:37:34,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:34,439 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:34,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (79)] Ended with exit code 0 [2024-12-02 13:37:34,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:34,639 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:34,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:34,640 INFO L85 PathProgramCache]: Analyzing trace with hash -181467438, now seen corresponding path program 1 times [2024-12-02 13:37:34,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:34,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279206714] [2024-12-02 13:37:34,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:34,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:34,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:34,641 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:34,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (80)] Waiting until timeout for monitored process [2024-12-02 13:37:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:35,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:37:35,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 29 proven. 1250 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-12-02 13:37:36,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2315 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 2287 trivial. 0 not checked. [2024-12-02 13:37:36,199 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:36,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279206714] [2024-12-02 13:37:36,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279206714] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:36,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:36,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-12-02 13:37:36,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066584396] [2024-12-02 13:37:36,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:36,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:36,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:36,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:36,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:37:36,200 INFO L87 Difference]: Start difference. First operand 2928 states and 3584 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:36,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:36,594 INFO L93 Difference]: Finished difference Result 5545 states and 6732 transitions. [2024-12-02 13:37:36,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:37:36,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 292 [2024-12-02 13:37:36,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:36,599 INFO L225 Difference]: With dead ends: 5545 [2024-12-02 13:37:36,599 INFO L226 Difference]: Without dead ends: 2779 [2024-12-02 13:37:36,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:37:36,601 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 108 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:36,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 436 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:37:36,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2779 states. [2024-12-02 13:37:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2779 to 2432. [2024-12-02 13:37:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2432 states, 2186 states have (on average 1.1784080512351327) internal successors, (2576), 2197 states have internal predecessors, (2576), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 2938 transitions. [2024-12-02 13:37:36,882 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 2938 transitions. Word has length 292 [2024-12-02 13:37:36,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:36,883 INFO L471 AbstractCegarLoop]: Abstraction has 2432 states and 2938 transitions. [2024-12-02 13:37:36,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 2938 transitions. [2024-12-02 13:37:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-12-02 13:37:36,885 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:36,885 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:36,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (80)] Ended with exit code 0 [2024-12-02 13:37:37,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:37,085 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:37,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:37,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1393315365, now seen corresponding path program 1 times [2024-12-02 13:37:37,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:37,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330629820] [2024-12-02 13:37:37,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:37,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:37,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:37,087 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:37,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (81)] Waiting until timeout for monitored process [2024-12-02 13:37:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:37,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:37:37,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:38,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 13:37:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 32 proven. 1248 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-12-02 13:37:38,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 2287 trivial. 0 not checked. [2024-12-02 13:37:38,647 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:38,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330629820] [2024-12-02 13:37:38,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330629820] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:38,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:38,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-12-02 13:37:38,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767258728] [2024-12-02 13:37:38,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:38,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:38,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:38,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:38,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:37:38,648 INFO L87 Difference]: Start difference. First operand 2432 states and 2938 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:38,993 INFO L93 Difference]: Finished difference Result 4404 states and 5318 transitions. [2024-12-02 13:37:38,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:37:38,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 297 [2024-12-02 13:37:38,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:38,999 INFO L225 Difference]: With dead ends: 4404 [2024-12-02 13:37:38,999 INFO L226 Difference]: Without dead ends: 2378 [2024-12-02 13:37:39,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:37:39,001 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 108 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:39,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 510 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:37:39,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2024-12-02 13:37:39,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2255. [2024-12-02 13:37:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 2009 states have (on average 1.1727227476356397) internal successors, (2356), 2020 states have internal predecessors, (2356), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2718 transitions. [2024-12-02 13:37:39,279 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2718 transitions. Word has length 297 [2024-12-02 13:37:39,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:39,280 INFO L471 AbstractCegarLoop]: Abstraction has 2255 states and 2718 transitions. [2024-12-02 13:37:39,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2718 transitions. [2024-12-02 13:37:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-12-02 13:37:39,282 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:39,282 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:39,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (81)] Ended with exit code 0 [2024-12-02 13:37:39,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:39,482 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:39,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:39,482 INFO L85 PathProgramCache]: Analyzing trace with hash 387265144, now seen corresponding path program 1 times [2024-12-02 13:37:39,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:39,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965350001] [2024-12-02 13:37:39,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:39,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:39,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:39,484 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:39,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (82)] Waiting until timeout for monitored process [2024-12-02 13:37:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:40,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:37:40,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:40,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:37:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 46 proven. 1465 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-12-02 13:37:40,770 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:40,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2024-12-02 13:37:40,927 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:40,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965350001] [2024-12-02 13:37:40,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965350001] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:40,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:40,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 14 [2024-12-02 13:37:40,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182330277] [2024-12-02 13:37:40,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:40,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:40,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:40,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:40,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:37:40,929 INFO L87 Difference]: Start difference. First operand 2255 states and 2718 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:41,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:41,606 INFO L93 Difference]: Finished difference Result 4791 states and 5757 transitions. [2024-12-02 13:37:41,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:37:41,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 300 [2024-12-02 13:37:41,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:41,613 INFO L225 Difference]: With dead ends: 4791 [2024-12-02 13:37:41,613 INFO L226 Difference]: Without dead ends: 2987 [2024-12-02 13:37:41,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:37:41,615 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 103 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:41,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 663 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:37:41,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2024-12-02 13:37:41,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2306. [2024-12-02 13:37:41,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2306 states, 2060 states have (on average 1.166990291262136) internal successors, (2404), 2071 states have internal predecessors, (2404), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2306 states and 2766 transitions. [2024-12-02 13:37:41,914 INFO L78 Accepts]: Start accepts. Automaton has 2306 states and 2766 transitions. Word has length 300 [2024-12-02 13:37:41,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:41,914 INFO L471 AbstractCegarLoop]: Abstraction has 2306 states and 2766 transitions. [2024-12-02 13:37:41,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 2766 transitions. [2024-12-02 13:37:41,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-12-02 13:37:41,916 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:41,916 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:41,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (82)] Ended with exit code 0 [2024-12-02 13:37:42,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:42,117 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:42,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:42,117 INFO L85 PathProgramCache]: Analyzing trace with hash 272652088, now seen corresponding path program 1 times [2024-12-02 13:37:42,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:42,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688908258] [2024-12-02 13:37:42,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:42,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:42,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:42,119 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:42,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (83)] Waiting until timeout for monitored process [2024-12-02 13:37:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:42,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:37:42,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:43,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:37:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 46 proven. 1465 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-12-02 13:37:43,557 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2291 trivial. 0 not checked. [2024-12-02 13:37:43,794 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:43,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688908258] [2024-12-02 13:37:43,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1688908258] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:43,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:43,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 14 [2024-12-02 13:37:43,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882874533] [2024-12-02 13:37:43,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:43,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:43,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:43,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:43,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:37:43,795 INFO L87 Difference]: Start difference. First operand 2306 states and 2766 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:44,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:44,477 INFO L93 Difference]: Finished difference Result 4807 states and 5761 transitions. [2024-12-02 13:37:44,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:37:44,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 300 [2024-12-02 13:37:44,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:44,483 INFO L225 Difference]: With dead ends: 4807 [2024-12-02 13:37:44,483 INFO L226 Difference]: Without dead ends: 2961 [2024-12-02 13:37:44,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:37:44,485 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 205 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:44,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 444 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:37:44,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2024-12-02 13:37:44,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2301. [2024-12-02 13:37:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 2055 states have (on average 1.1503649635036497) internal successors, (2364), 2066 states have internal predecessors, (2364), 181 states have call successors, (181), 64 states have call predecessors, (181), 64 states have return successors, (181), 170 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 13:37:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 2726 transitions. [2024-12-02 13:37:44,777 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 2726 transitions. Word has length 300 [2024-12-02 13:37:44,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:44,777 INFO L471 AbstractCegarLoop]: Abstraction has 2301 states and 2726 transitions. [2024-12-02 13:37:44,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:44,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2726 transitions. [2024-12-02 13:37:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-12-02 13:37:44,779 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:44,779 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:44,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (83)] Ended with exit code 0 [2024-12-02 13:37:44,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:44,980 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:44,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1157655343, now seen corresponding path program 1 times [2024-12-02 13:37:44,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:44,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1620929072] [2024-12-02 13:37:44,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:44,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:44,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:44,982 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:44,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (84)] Waiting until timeout for monitored process [2024-12-02 13:37:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:45,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 13:37:45,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:45,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:37:46,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 13:37:46,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-12-02 13:37:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 46 proven. 1464 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2024-12-02 13:37:47,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2292 trivial. 0 not checked. [2024-12-02 13:37:48,241 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:48,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1620929072] [2024-12-02 13:37:48,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1620929072] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:48,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:48,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-12-02 13:37:48,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736333288] [2024-12-02 13:37:48,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:48,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:48,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:48,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:48,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:37:48,242 INFO L87 Difference]: Start difference. First operand 2301 states and 2726 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:49,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:49,009 INFO L93 Difference]: Finished difference Result 4712 states and 5556 transitions. [2024-12-02 13:37:49,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:37:49,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 302 [2024-12-02 13:37:49,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:49,015 INFO L225 Difference]: With dead ends: 4712 [2024-12-02 13:37:49,015 INFO L226 Difference]: Without dead ends: 2871 [2024-12-02 13:37:49,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:37:49,016 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 63 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:49,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 605 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:37:49,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2024-12-02 13:37:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2409. [2024-12-02 13:37:49,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 2155 states have (on average 1.1401392111368909) internal successors, (2457), 2167 states have internal predecessors, (2457), 187 states have call successors, (187), 66 states have call predecessors, (187), 66 states have return successors, (187), 175 states have call predecessors, (187), 187 states have call successors, (187) [2024-12-02 13:37:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 2831 transitions. [2024-12-02 13:37:49,335 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 2831 transitions. Word has length 302 [2024-12-02 13:37:49,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:49,335 INFO L471 AbstractCegarLoop]: Abstraction has 2409 states and 2831 transitions. [2024-12-02 13:37:49,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 2831 transitions. [2024-12-02 13:37:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-12-02 13:37:49,338 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:49,338 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:49,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (84)] Ended with exit code 0 [2024-12-02 13:37:49,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:49,538 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:49,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:49,539 INFO L85 PathProgramCache]: Analyzing trace with hash 565012885, now seen corresponding path program 1 times [2024-12-02 13:37:49,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:49,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138246525] [2024-12-02 13:37:49,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:49,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:49,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:49,540 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:49,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (85)] Waiting until timeout for monitored process [2024-12-02 13:37:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:50,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-02 13:37:50,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:51,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 13:37:51,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:37:51,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-12-02 13:37:52,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 13:37:53,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-12-02 13:37:53,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2024-12-02 13:37:53,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2024-12-02 13:37:53,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 32 proven. 1808 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-12-02 13:37:53,387 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2286 trivial. 0 not checked. [2024-12-02 13:37:53,672 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:53,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138246525] [2024-12-02 13:37:53,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2138246525] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:53,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:53,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [24] total 29 [2024-12-02 13:37:53,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863327402] [2024-12-02 13:37:53,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:53,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:37:53,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:53,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:37:53,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2024-12-02 13:37:53,674 INFO L87 Difference]: Start difference. First operand 2409 states and 2831 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:54,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:54,504 INFO L93 Difference]: Finished difference Result 4549 states and 5317 transitions. [2024-12-02 13:37:54,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:37:54,505 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 302 [2024-12-02 13:37:54,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:54,511 INFO L225 Difference]: With dead ends: 4549 [2024-12-02 13:37:54,511 INFO L226 Difference]: Without dead ends: 2612 [2024-12-02 13:37:54,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=127, Invalid=929, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 13:37:54,512 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 160 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:54,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 592 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 13:37:54,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2024-12-02 13:37:54,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2178. [2024-12-02 13:37:54,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 1924 states have (on average 1.1252598752598753) internal successors, (2165), 1936 states have internal predecessors, (2165), 187 states have call successors, (187), 66 states have call predecessors, (187), 66 states have return successors, (187), 175 states have call predecessors, (187), 187 states have call successors, (187) [2024-12-02 13:37:54,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 2539 transitions. [2024-12-02 13:37:54,823 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 2539 transitions. Word has length 302 [2024-12-02 13:37:54,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:54,823 INFO L471 AbstractCegarLoop]: Abstraction has 2178 states and 2539 transitions. [2024-12-02 13:37:54,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2539 transitions. [2024-12-02 13:37:54,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-12-02 13:37:54,825 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:37:54,825 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:54,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (85)] Ended with exit code 0 [2024-12-02 13:37:55,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:55,026 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:37:55,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:37:55,026 INFO L85 PathProgramCache]: Analyzing trace with hash -772674337, now seen corresponding path program 1 times [2024-12-02 13:37:55,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:37:55,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65233082] [2024-12-02 13:37:55,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:37:55,026 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:55,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:37:55,028 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:37:55,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (86)] Waiting until timeout for monitored process [2024-12-02 13:37:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:55,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 13:37:55,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:55,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 13:37:56,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-12-02 13:37:56,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-12-02 13:37:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 46 proven. 1464 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2024-12-02 13:37:57,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2292 trivial. 0 not checked. [2024-12-02 13:37:58,292 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:37:58,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65233082] [2024-12-02 13:37:58,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65233082] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:37:58,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:37:58,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-12-02 13:37:58,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24781820] [2024-12-02 13:37:58,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:37:58,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:37:58,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:37:58,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:37:58,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:37:58,292 INFO L87 Difference]: Start difference. First operand 2178 states and 2539 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:59,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:59,036 INFO L93 Difference]: Finished difference Result 4176 states and 4847 transitions. [2024-12-02 13:37:59,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:37:59,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 302 [2024-12-02 13:37:59,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:59,041 INFO L225 Difference]: With dead ends: 4176 [2024-12-02 13:37:59,041 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:37:59,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:37:59,043 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 98 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:59,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 513 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:37:59,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:37:59,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:37:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:37:59,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:37:59,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 302 [2024-12-02 13:37:59,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:59,046 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:37:59,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-12-02 13:37:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:37:59,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:37:59,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:37:59,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (86)] Ended with exit code 0 [2024-12-02 13:37:59,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84636402-f563-49bc-8b6a-000ea528b357/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:37:59,251 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:37:59,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.