./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.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_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/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_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/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_154f6e4a-45c5-4f2f-8761-194a1aac4393/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 9d4c4ba5fceaa6bfb2098951964c33b59994f146ab7abe517b65f1a8d594c6fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:11:08,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:11:08,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:11:08,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:11:08,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:11:08,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:11:08,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:11:08,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:11:08,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:11:08,391 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:11:08,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:11:08,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:11:08,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:11:08,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:11:08,392 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:11:08,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:11:08,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:11:08,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:11:08,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:11:08,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:11:08,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:11:08,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:11:08,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:11:08,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:11:08,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:11:08,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:11:08,393 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:11:08,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:11:08,393 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:11:08,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:11:08,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:11:08,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:11:08,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:11:08,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:11:08,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:11:08,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:11:08,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:11:08,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:11:08,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:11:08,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:11:08,394 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:11:08,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:11:08,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:11:08,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:11:08,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:11:08,395 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:11:08,395 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:11:08,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:11:08,395 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_154f6e4a-45c5-4f2f-8761-194a1aac4393/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 -> 9d4c4ba5fceaa6bfb2098951964c33b59994f146ab7abe517b65f1a8d594c6fc [2024-12-02 13:11:08,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:11:08,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:11:08,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:11:08,606 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:11:08,606 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:11:08,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i [2024-12-02 13:11:11,248 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/data/4daa80816/ee8670e819df47b6882932e4f92d4f3f/FLAG458fa415c [2024-12-02 13:11:11,464 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:11:11,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i [2024-12-02 13:11:11,472 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/data/4daa80816/ee8670e819df47b6882932e4f92d4f3f/FLAG458fa415c [2024-12-02 13:11:11,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/data/4daa80816/ee8670e819df47b6882932e4f92d4f3f [2024-12-02 13:11:11,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:11:11,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:11:11,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:11:11,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:11:11,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:11:11,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:11:11" (1/1) ... [2024-12-02 13:11:11,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fcdad9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:11, skipping insertion in model container [2024-12-02 13:11:11,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:11:11" (1/1) ... [2024-12-02 13:11:11,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:11:11,950 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_154f6e4a-45c5-4f2f-8761-194a1aac4393/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i[916,929] [2024-12-02 13:11:12,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:11:12,019 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:11:12,027 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_154f6e4a-45c5-4f2f-8761-194a1aac4393/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i[916,929] [2024-12-02 13:11:12,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:11:12,082 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:11:12,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12 WrapperNode [2024-12-02 13:11:12,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:11:12,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:11:12,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:11:12,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:11:12,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,136 INFO L138 Inliner]: procedures = 30, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 512 [2024-12-02 13:11:12,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:11:12,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:11:12,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:11:12,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:11:12,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,171 INFO L175 MemorySlicer]: Split 148 memory accesses to 7 slices as follows [2, 35, 5, 27, 3, 73, 3]. 49 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 4, 1, 2, 1, 0, 1]. The 35 writes are split as follows [0, 6, 1, 2, 1, 24, 1]. [2024-12-02 13:11:12,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,193 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:11:12,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:11:12,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:11:12,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:11:12,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (1/1) ... [2024-12-02 13:11:12,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:11:12,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:11:12,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:11:12,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:11:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:11:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:11:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 13:11:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 13:11:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 13:11:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 13:11:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:11:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:11:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:11:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:11:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:11:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:11:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:11:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 13:11:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 13:11:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:11:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:11:12,391 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:11:12,392 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:11:12,912 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-12-02 13:11:12,912 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:11:12,923 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:11:12,923 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:11:12,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:12 BoogieIcfgContainer [2024-12-02 13:11:12,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:11:12,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:11:12,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:11:12,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:11:12,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:11:11" (1/3) ... [2024-12-02 13:11:12,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd6a03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:11:12, skipping insertion in model container [2024-12-02 13:11:12,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:12" (2/3) ... [2024-12-02 13:11:12,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd6a03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:11:12, skipping insertion in model container [2024-12-02 13:11:12,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:12" (3/3) ... [2024-12-02 13:11:12,932 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-61.i [2024-12-02 13:11:12,946 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:11:12,947 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-61.i that has 2 procedures, 120 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:11:12,997 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:11:13,009 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;@41f18b00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:11:13,009 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:11:13,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 13:11:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:13,026 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:13,027 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:13,027 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:13,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:13,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1550515261, now seen corresponding path program 1 times [2024-12-02 13:11:13,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:11:13,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70417694] [2024-12-02 13:11:13,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:13,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:11:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-12-02 13:11:13,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:11:13,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70417694] [2024-12-02 13:11:13,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70417694] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:11:13,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344638846] [2024-12-02 13:11:13,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:13,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:11:13,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:11:13,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:11:13,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:11:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:13,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:11:13,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:13,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-12-02 13:11:13,749 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:13,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344638846] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:13,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:11:13,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:11:13,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789818612] [2024-12-02 13:11:13,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:13,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:11:13,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:11:13,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:11:13,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:11:13,773 INFO L87 Difference]: Start difference. First operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:13,800 INFO L93 Difference]: Finished difference Result 233 states and 369 transitions. [2024-12-02 13:11:13,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:11:13,801 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-12-02 13:11:13,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:13,807 INFO L225 Difference]: With dead ends: 233 [2024-12-02 13:11:13,807 INFO L226 Difference]: Without dead ends: 116 [2024-12-02 13:11:13,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 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 13:11:13,812 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 13:11:13,812 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 13:11:13,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-12-02 13:11:13,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-12-02 13:11:13,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 13:11:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2024-12-02 13:11:13,847 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 190 [2024-12-02 13:11:13,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:13,848 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2024-12-02 13:11:13,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-12-02 13:11:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:13,852 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:13,852 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:13,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:11:14,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:11:14,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:14,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:14,053 INFO L85 PathProgramCache]: Analyzing trace with hash 615561193, now seen corresponding path program 1 times [2024-12-02 13:11:14,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:11:14,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227406053] [2024-12-02 13:11:14,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:14,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:11:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:14,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:14,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:11:14,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227406053] [2024-12-02 13:11:14,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227406053] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:14,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:14,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:11:14,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070752204] [2024-12-02 13:11:14,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:14,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:11:14,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:11:14,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:11:14,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:11:14,443 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:14,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:14,494 INFO L93 Difference]: Finished difference Result 232 states and 337 transitions. [2024-12-02 13:11:14,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:11:14,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-12-02 13:11:14,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:14,497 INFO L225 Difference]: With dead ends: 232 [2024-12-02 13:11:14,498 INFO L226 Difference]: Without dead ends: 119 [2024-12-02 13:11:14,498 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 13:11:14,499 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 13:11:14,500 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 13:11:14,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-12-02 13:11:14,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-12-02 13:11:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 13:11:14,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 170 transitions. [2024-12-02 13:11:14,514 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 170 transitions. Word has length 190 [2024-12-02 13:11:14,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:14,515 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 170 transitions. [2024-12-02 13:11:14,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 170 transitions. [2024-12-02 13:11:14,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:14,519 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:14,519 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:14,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:11:14,520 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:14,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:14,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1295619563, now seen corresponding path program 1 times [2024-12-02 13:11:14,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:11:14,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222170572] [2024-12-02 13:11:14,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:14,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:11:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:14,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:14,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:11:14,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222170572] [2024-12-02 13:11:14,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222170572] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:14,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:14,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:11:14,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234950502] [2024-12-02 13:11:14,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:14,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:11:14,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:11:14,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:11:14,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:11:14,866 INFO L87 Difference]: Start difference. First operand 118 states and 170 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:14,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:14,902 INFO L93 Difference]: Finished difference Result 236 states and 341 transitions. [2024-12-02 13:11:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:11:14,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-12-02 13:11:14,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:14,904 INFO L225 Difference]: With dead ends: 236 [2024-12-02 13:11:14,904 INFO L226 Difference]: Without dead ends: 121 [2024-12-02 13:11:14,905 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 13:11:14,906 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 13:11:14,906 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 13:11:14,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-12-02 13:11:14,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-12-02 13:11:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 13:11:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-12-02 13:11:14,918 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 190 [2024-12-02 13:11:14,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:14,918 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-12-02 13:11:14,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-12-02 13:11:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:14,922 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:14,922 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:14,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:11:14,922 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:14,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:14,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1297466605, now seen corresponding path program 1 times [2024-12-02 13:11:14,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:11:14,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556030757] [2024-12-02 13:11:14,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:14,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:11:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:15,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:11:15,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556030757] [2024-12-02 13:11:15,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556030757] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:15,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:15,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:11:15,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235177518] [2024-12-02 13:11:15,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:15,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:11:15,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:11:15,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:11:15,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:11:15,454 INFO L87 Difference]: Start difference. First operand 120 states and 172 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:15,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:15,662 INFO L93 Difference]: Finished difference Result 291 states and 418 transitions. [2024-12-02 13:11:15,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:11:15,662 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-12-02 13:11:15,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:15,664 INFO L225 Difference]: With dead ends: 291 [2024-12-02 13:11:15,665 INFO L226 Difference]: Without dead ends: 174 [2024-12-02 13:11:15,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:11:15,666 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 70 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:15,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 576 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:11:15,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-12-02 13:11:15,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 122. [2024-12-02 13:11:15,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.305263157894737) internal successors, (124), 95 states have internal predecessors, (124), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 13:11:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-12-02 13:11:15,677 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 190 [2024-12-02 13:11:15,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:15,677 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-12-02 13:11:15,678 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:15,678 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-12-02 13:11:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:15,679 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:15,680 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:15,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:11:15,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:15,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:15,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1611297297, now seen corresponding path program 1 times [2024-12-02 13:11:15,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:11:15,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248199054] [2024-12-02 13:11:15,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:15,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:11:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:17,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:11:17,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248199054] [2024-12-02 13:11:17,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248199054] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:17,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:17,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:11:17,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388551741] [2024-12-02 13:11:17,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:17,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:11:17,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:11:17,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:11:17,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:11:17,176 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:17,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:17,464 INFO L93 Difference]: Finished difference Result 297 states and 421 transitions. [2024-12-02 13:11:17,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:11:17,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-12-02 13:11:17,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:17,467 INFO L225 Difference]: With dead ends: 297 [2024-12-02 13:11:17,467 INFO L226 Difference]: Without dead ends: 178 [2024-12-02 13:11:17,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:11:17,468 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 66 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:17,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 994 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:11:17,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-12-02 13:11:17,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 175. [2024-12-02 13:11:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 145 states have (on average 1.3310344827586207) internal successors, (193), 146 states have internal predecessors, (193), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:11:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 247 transitions. [2024-12-02 13:11:17,483 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 247 transitions. Word has length 190 [2024-12-02 13:11:17,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:17,483 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 247 transitions. [2024-12-02 13:11:17,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.714285714285714) internal successors, (68), 8 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:17,483 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 247 transitions. [2024-12-02 13:11:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:17,485 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:17,486 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:17,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 13:11:17,486 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:17,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:17,486 INFO L85 PathProgramCache]: Analyzing trace with hash 689525293, now seen corresponding path program 1 times [2024-12-02 13:11:17,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:11:17,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732976736] [2024-12-02 13:11:17,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:17,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:11:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 13:11:18,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:11:18,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732976736] [2024-12-02 13:11:18,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732976736] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:11:18,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625443936] [2024-12-02 13:11:18,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:18,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:11:18,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:11:18,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:11:18,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:11:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:18,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 13:11:18,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:18,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 31 treesize of output 15 [2024-12-02 13:11:19,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:11:19,662 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 32 treesize of output 14 [2024-12-02 13:11:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 383 proven. 117 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2024-12-02 13:11:19,689 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:11:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 24 proven. 117 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2024-12-02 13:11:20,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625443936] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:11:20,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:11:20,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 13] total 24 [2024-12-02 13:11:20,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768054411] [2024-12-02 13:11:20,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:11:20,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 13:11:20,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:11:20,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 13:11:20,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:11:20,432 INFO L87 Difference]: Start difference. First operand 175 states and 247 transitions. Second operand has 24 states, 19 states have (on average 6.684210526315789) internal successors, (127), 24 states have internal predecessors, (127), 10 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (72), 5 states have call predecessors, (72), 10 states have call successors, (72) [2024-12-02 13:11:21,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:21,625 INFO L93 Difference]: Finished difference Result 371 states and 512 transitions. [2024-12-02 13:11:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 13:11:21,626 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 6.684210526315789) internal successors, (127), 24 states have internal predecessors, (127), 10 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (72), 5 states have call predecessors, (72), 10 states have call successors, (72) Word has length 190 [2024-12-02 13:11:21,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:21,629 INFO L225 Difference]: With dead ends: 371 [2024-12-02 13:11:21,629 INFO L226 Difference]: Without dead ends: 199 [2024-12-02 13:11:21,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 366 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=409, Invalid=1661, Unknown=0, NotChecked=0, Total=2070 [2024-12-02 13:11:21,631 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 487 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:21,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 1040 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:11:21,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-12-02 13:11:21,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 191. [2024-12-02 13:11:21,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 157 states have (on average 1.2993630573248407) internal successors, (204), 158 states have internal predecessors, (204), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 13:11:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 258 transitions. [2024-12-02 13:11:21,645 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 258 transitions. Word has length 190 [2024-12-02 13:11:21,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:21,646 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 258 transitions. [2024-12-02 13:11:21,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 6.684210526315789) internal successors, (127), 24 states have internal predecessors, (127), 10 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (72), 5 states have call predecessors, (72), 10 states have call successors, (72) [2024-12-02 13:11:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 258 transitions. [2024-12-02 13:11:21,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 13:11:21,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:21,649 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:21,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:11:21,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:11:21,849 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:21,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:21,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1201331910, now seen corresponding path program 1 times [2024-12-02 13:11:21,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:11:21,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243013809] [2024-12-02 13:11:21,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:21,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:11:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:11:22,013 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:11:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:11:22,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:11:22,181 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:11:22,181 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:11:22,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 13:11:22,185 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:11:22,268 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:11:22,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:11:22 BoogieIcfgContainer [2024-12-02 13:11:22,271 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:11:22,272 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:11:22,272 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:11:22,272 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:11:22,273 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:12" (3/4) ... [2024-12-02 13:11:22,274 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:11:22,275 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:11:22,276 INFO L158 Benchmark]: Toolchain (without parser) took 10443.89ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 92.4MB in the beginning and 113.5MB in the end (delta: -21.2MB). Peak memory consumption was 156.1MB. Max. memory is 16.1GB. [2024-12-02 13:11:22,276 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:11:22,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.19ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:11:22,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.36ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 72.2MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:11:22,277 INFO L158 Benchmark]: Boogie Preprocessor took 73.96ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 66.2MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:11:22,278 INFO L158 Benchmark]: RCFGBuilder took 712.07ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 80.8MB in the end (delta: -14.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-12-02 13:11:22,278 INFO L158 Benchmark]: TraceAbstraction took 9345.28ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 80.3MB in the beginning and 113.6MB in the end (delta: -33.3MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. [2024-12-02 13:11:22,278 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 293.6MB. Free memory was 113.6MB in the beginning and 113.5MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:11:22,280 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.19ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.36ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 72.2MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.96ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 66.2MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 712.07ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 80.8MB in the end (delta: -14.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9345.28ms. Allocated memory was 117.4MB in the beginning and 293.6MB in the end (delta: 176.2MB). Free memory was 80.3MB in the beginning and 113.6MB in the end (delta: -33.3MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 293.6MB. Free memory was 113.6MB in the beginning and 113.5MB in the end (delta: 39.2kB). There was no memory consumed. 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 58, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 0}, {0, 0} }; [L25-L27] double double_Array_0[1] = { 32.5 }; [L25-L27] double double_Array_0[1] = { 32.5 }; [L28-L30] float float_Array_0[2] = { 255.5, 255.5 }; [L28-L30] float float_Array_0[2] = { 255.5, 255.5 }; [L28-L30] float float_Array_0[2] = { 255.5, 255.5 }; [L31-L33] signed char signed_char_Array_0[1] = { 0 }; [L31-L33] signed char signed_char_Array_0[1] = { 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L34-L36] unsigned char unsigned_char_Array_0[11] = { 5, 100, 128, 64, 100, 8, 50, 8, 32, 64, 0 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[1] = { 64 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[1] = { 64 }; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L115] isInitial = 1 [L116] FCALL initially() [L118] FCALL updateLastVariables() [L119] CALL updateVariables() [L69] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L70] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L71] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] float_Array_0[1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L81] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L84] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L87] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] CALL assume_abort_if_not(unsigned_char_Array_0[2] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] RET assume_abort_if_not(unsigned_char_Array_0[2] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] unsigned_char_Array_0[3] = __VERIFIER_nondet_uchar() [L90] EXPR unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] CALL assume_abort_if_not(unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] RET assume_abort_if_not(unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] EXPR unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[3] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] RET assume_abort_if_not(unsigned_char_Array_0[3] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] unsigned_char_Array_0[6] = __VERIFIER_nondet_uchar() [L93] EXPR unsigned_char_Array_0[6] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L93] CALL assume_abort_if_not(unsigned_char_Array_0[6] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L93] RET assume_abort_if_not(unsigned_char_Array_0[6] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] EXPR unsigned_char_Array_0[6] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[6] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L94] RET assume_abort_if_not(unsigned_char_Array_0[6] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] unsigned_char_Array_0[7] = __VERIFIER_nondet_uchar() [L96] EXPR unsigned_char_Array_0[7] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L96] CALL assume_abort_if_not(unsigned_char_Array_0[7] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L96] RET assume_abort_if_not(unsigned_char_Array_0[7] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L97] EXPR unsigned_char_Array_0[7] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L97] CALL assume_abort_if_not(unsigned_char_Array_0[7] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L97] RET assume_abort_if_not(unsigned_char_Array_0[7] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L98] unsigned_char_Array_0[8] = __VERIFIER_nondet_uchar() [L99] EXPR unsigned_char_Array_0[8] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L99] CALL assume_abort_if_not(unsigned_char_Array_0[8] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L99] RET assume_abort_if_not(unsigned_char_Array_0[8] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR unsigned_char_Array_0[8] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] CALL assume_abort_if_not(unsigned_char_Array_0[8] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] RET assume_abort_if_not(unsigned_char_Array_0[8] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L101] unsigned_char_Array_0[9] = __VERIFIER_nondet_uchar() [L102] EXPR unsigned_char_Array_0[9] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L102] CALL assume_abort_if_not(unsigned_char_Array_0[9] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L102] RET assume_abort_if_not(unsigned_char_Array_0[9] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] EXPR unsigned_char_Array_0[9] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] CALL assume_abort_if_not(unsigned_char_Array_0[9] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] RET assume_abort_if_not(unsigned_char_Array_0[9] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L104] unsigned_char_Array_0[10] = __VERIFIER_nondet_uchar() [L105] EXPR unsigned_char_Array_0[10] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L105] CALL assume_abort_if_not(unsigned_char_Array_0[10] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L105] RET assume_abort_if_not(unsigned_char_Array_0[10] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L106] EXPR unsigned_char_Array_0[10] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L106] CALL assume_abort_if_not(unsigned_char_Array_0[10] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L106] RET assume_abort_if_not(unsigned_char_Array_0[10] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L119] RET updateVariables() [L120] CALL step() [L43] BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L43] COND TRUE BOOL_unsigned_char_Array_0[0][0] [L44] EXPR unsigned_char_Array_0[3] [L44] EXPR unsigned_char_Array_0[0] [L44] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L44] EXPR ((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1]) [L44] EXPR unsigned_char_Array_0[0] [L44] EXPR ((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L44] unsigned_char_Array_0[4] = (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))) [L48] EXPR BOOL_unsigned_char_Array_0[0][0] [L48] EXPR BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L48] EXPR BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L48] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1]; [L49] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L49] COND TRUE BOOL_unsigned_char_Array_0[1][0] || stepLocal_0 [L50] EXPR unsigned_char_Array_0[9] [L50] signed_char_Array_0[0] = unsigned_char_Array_0[9] [L52] EXPR float_Array_0[1] [L52] float_Array_0[0] = float_Array_0[1] [L53] EXPR unsigned_char_Array_0[10] [L53] unsigned_short_int_Array_0[0] = unsigned_char_Array_0[10] [L54] double_Array_0[0] = 0.010000000000000009 [L55] EXPR float_Array_0[0] [L55] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L55] COND FALSE !(float_Array_0[0] < float_Array_0[0]) [L58] EXPR float_Array_0[0] [L58] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L58] COND TRUE float_Array_0[0] >= float_Array_0[0] [L59] EXPR BOOL_unsigned_char_Array_0[1][0] [L59] BOOL_unsigned_char_Array_0[1][1] = BOOL_unsigned_char_Array_0[1][0] [L64] EXPR double_Array_0[0] [L64] EXPR float_Array_0[0] [L64] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L64] EXPR ((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0]) [L64] EXPR float_Array_0[0] [L64] EXPR ((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L64] COND TRUE double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0]))) [L65] EXPR unsigned_char_Array_0[2] [L65] EXPR unsigned_char_Array_0[3] [L65] unsigned_char_Array_0[5] = (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]) [L120] RET step() [L121] CALL, EXPR property() [L111] EXPR float_Array_0[0] [L111] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0]))) [L111] EXPR float_Array_0[0] [L111] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])) [L111] EXPR BOOL_unsigned_char_Array_0[1][1] [L111] EXPR BOOL_unsigned_char_Array_0[0][0] [L111] EXPR (float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[10])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR ((((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[10])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[10]))) && (double_Array_0[0] == ((double) 0.010000000000000009)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111] EXPR (((((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[10]))) && (double_Array_0[0] == ((double) 0.010000000000000009)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L111-L112] return (((((((float_Array_0[0] < float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (BOOL_unsigned_char_Array_0[0][1] || BOOL_unsigned_char_Array_0[1][0]))) : ((float_Array_0[0] >= float_Array_0[0]) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[0][0])))) && ((double_Array_0[0] < ((((float_Array_0[0]) > (float_Array_0[0])) ? (float_Array_0[0]) : (float_Array_0[0])))) ? (unsigned_char_Array_0[5] == ((unsigned char) (unsigned_char_Array_0[2] - unsigned_char_Array_0[3]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (unsigned_char_Array_0[4] == ((unsigned char) (unsigned_char_Array_0[3] + ((((unsigned_char_Array_0[0]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[0]) : (unsigned_char_Array_0[1])))))) : (unsigned_char_Array_0[4] == ((unsigned char) (((64 + unsigned_char_Array_0[8]) + (unsigned_char_Array_0[9] + unsigned_char_Array_0[6])) - (unsigned_char_Array_0[7] + unsigned_char_Array_0[10])))))) && ((BOOL_unsigned_char_Array_0[1][0] || (BOOL_unsigned_char_Array_0[0][0] || BOOL_unsigned_char_Array_0[0][1])) ? (signed_char_Array_0[0] == ((signed char) unsigned_char_Array_0[9])) : 1)) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_char_Array_0[10]))) && (double_Array_0[0] == ((double) 0.010000000000000009)) ; [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 7, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 626 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 625 mSDsluCounter, 3749 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2831 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1047 IncrementalHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 918 mSDtfsCounter, 1047 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 632 GetRequests, 569 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=191occurred in iteration=6, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 65 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1712 NumberOfCodeBlocks, 1712 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1701 ConstructedInterpolants, 0 QuantifiedInterpolants, 6515 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1369 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 10446/10800 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 13:11:22,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/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_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/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_154f6e4a-45c5-4f2f-8761-194a1aac4393/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 9d4c4ba5fceaa6bfb2098951964c33b59994f146ab7abe517b65f1a8d594c6fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:11:24,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:11:24,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:11:24,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:11:24,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:11:24,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:11:24,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:11:24,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:11:24,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:11:24,389 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:11:24,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:11:24,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:11:24,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:11:24,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:11:24,390 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:11:24,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:11:24,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:11:24,391 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:11:24,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:11:24,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:11:24,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:11:24,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:11:24,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:11:24,391 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:11:24,391 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:11:24,391 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:11:24,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:11:24,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:11:24,392 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:11:24,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:11:24,392 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:11:24,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:11:24,392 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:11:24,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:11:24,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:11:24,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:11:24,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:11:24,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:11:24,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:11:24,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:11:24,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:11:24,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:11:24,393 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:11:24,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:11:24,393 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:11:24,393 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:11:24,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:11:24,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:11:24,394 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:11:24,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:11:24,394 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_154f6e4a-45c5-4f2f-8761-194a1aac4393/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 -> 9d4c4ba5fceaa6bfb2098951964c33b59994f146ab7abe517b65f1a8d594c6fc [2024-12-02 13:11:24,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:11:24,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:11:24,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:11:24,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:11:24,648 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:11:24,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i [2024-12-02 13:11:27,359 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/data/65a8ca30b/5cbd3454fa8b4bb496cfc4c051515aad/FLAG2b2a75099 [2024-12-02 13:11:27,553 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:11:27,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i [2024-12-02 13:11:27,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/data/65a8ca30b/5cbd3454fa8b4bb496cfc4c051515aad/FLAG2b2a75099 [2024-12-02 13:11:27,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/data/65a8ca30b/5cbd3454fa8b4bb496cfc4c051515aad [2024-12-02 13:11:27,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:11:27,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:11:27,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:11:27,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:11:27,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:11:27,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4441d6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27, skipping insertion in model container [2024-12-02 13:11:27,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:11:27,700 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_154f6e4a-45c5-4f2f-8761-194a1aac4393/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i[916,929] [2024-12-02 13:11:27,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:11:27,776 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:11:27,784 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_154f6e4a-45c5-4f2f-8761-194a1aac4393/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-61.i[916,929] [2024-12-02 13:11:27,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:11:27,851 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:11:27,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27 WrapperNode [2024-12-02 13:11:27,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:11:27,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:11:27,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:11:27,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:11:27,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,903 INFO L138 Inliner]: procedures = 37, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 512 [2024-12-02 13:11:27,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:11:27,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:11:27,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:11:27,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:11:27,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,940 INFO L175 MemorySlicer]: Split 148 memory accesses to 7 slices as follows [2, 35, 5, 27, 3, 73, 3]. 49 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 4, 1, 2, 1, 0, 1]. The 35 writes are split as follows [0, 6, 1, 2, 1, 24, 1]. [2024-12-02 13:11:27,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:11:27,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:11:27,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:11:27,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:11:27,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (1/1) ... [2024-12-02 13:11:27,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:11:28,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:11:28,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:11:28,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:11:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:11:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 13:11:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 13:11:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 13:11:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 13:11:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 13:11:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 13:11:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 13:11:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 13:11:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 13:11:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 13:11:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 13:11:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 13:11:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-12-02 13:11:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:11:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 13:11:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 13:11:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 13:11:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 13:11:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 13:11:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 13:11:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 13:11:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 13:11:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 13:11:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 13:11:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 13:11:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 13:11:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 13:11:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 13:11:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 13:11:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 13:11:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 13:11:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 13:11:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-12-02 13:11:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-12-02 13:11:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 13:11:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 13:11:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 13:11:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 13:11:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 13:11:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 13:11:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-12-02 13:11:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 13:11:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 13:11:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 13:11:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 13:11:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:11:28,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:11:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:11:28,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:11:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 13:11:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 13:11:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 13:11:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 13:11:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 13:11:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 13:11:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 13:11:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 13:11:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 13:11:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 13:11:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 13:11:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 13:11:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 13:11:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-12-02 13:11:28,223 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:11:28,224 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:11:29,002 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-12-02 13:11:29,002 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:11:29,014 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:11:29,014 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:11:29,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:29 BoogieIcfgContainer [2024-12-02 13:11:29,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:11:29,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:11:29,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:11:29,021 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:11:29,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:11:27" (1/3) ... [2024-12-02 13:11:29,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da88d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:11:29, skipping insertion in model container [2024-12-02 13:11:29,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:27" (2/3) ... [2024-12-02 13:11:29,022 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da88d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:11:29, skipping insertion in model container [2024-12-02 13:11:29,022 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:11:29" (3/3) ... [2024-12-02 13:11:29,023 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-61.i [2024-12-02 13:11:29,038 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:11:29,039 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-61.i that has 2 procedures, 120 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:11:29,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:11:29,101 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;@8ec9469, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:11:29,101 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:11:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 13:11:29,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:29,117 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:29,117 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:29,118 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:29,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:29,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1550515261, now seen corresponding path program 1 times [2024-12-02 13:11:29,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:29,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [662391514] [2024-12-02 13:11:29,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:29,130 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 13:11:29,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:29,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:29,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:29,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:11:29,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 608 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-12-02 13:11:29,554 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:29,555 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:29,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [662391514] [2024-12-02 13:11:29,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [662391514] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:29,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:29,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:11:29,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600874406] [2024-12-02 13:11:29,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:29,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:11:29,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:29,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:11:29,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:11:29,582 INFO L87 Difference]: Start difference. First operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:29,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:29,609 INFO L93 Difference]: Finished difference Result 233 states and 369 transitions. [2024-12-02 13:11:29,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:11:29,611 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-12-02 13:11:29,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:29,617 INFO L225 Difference]: With dead ends: 233 [2024-12-02 13:11:29,617 INFO L226 Difference]: Without dead ends: 116 [2024-12-02 13:11:29,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 189 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 13:11:29,623 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 13:11:29,624 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 13:11:29,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-12-02 13:11:29,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-12-02 13:11:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 13:11:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2024-12-02 13:11:29,666 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 190 [2024-12-02 13:11:29,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:29,667 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2024-12-02 13:11:29,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:29,667 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-12-02 13:11:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:29,670 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:29,671 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:29,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:29,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:29,871 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:29,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:29,872 INFO L85 PathProgramCache]: Analyzing trace with hash 615561193, now seen corresponding path program 1 times [2024-12-02 13:11:29,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:29,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553089466] [2024-12-02 13:11:29,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:29,873 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 13:11:29,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:29,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:29,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:30,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:11:30,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:30,345 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:30,345 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:30,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553089466] [2024-12-02 13:11:30,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553089466] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:30,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:30,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:11:30,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678282493] [2024-12-02 13:11:30,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:30,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:11:30,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:30,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:11:30,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:11:30,348 INFO L87 Difference]: Start difference. First operand 116 states and 168 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:30,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:30,567 INFO L93 Difference]: Finished difference Result 279 states and 406 transitions. [2024-12-02 13:11:30,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:11:30,567 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-12-02 13:11:30,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:30,570 INFO L225 Difference]: With dead ends: 279 [2024-12-02 13:11:30,570 INFO L226 Difference]: Without dead ends: 166 [2024-12-02 13:11:30,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:11:30,572 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 70 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:30,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 576 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:11:30,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-12-02 13:11:30,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 118. [2024-12-02 13:11:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 13:11:30,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 170 transitions. [2024-12-02 13:11:30,586 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 170 transitions. Word has length 190 [2024-12-02 13:11:30,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:30,588 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 170 transitions. [2024-12-02 13:11:30,588 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 170 transitions. [2024-12-02 13:11:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:30,591 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:30,592 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:30,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:30,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:30,792 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:30,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:30,793 INFO L85 PathProgramCache]: Analyzing trace with hash 2001764587, now seen corresponding path program 1 times [2024-12-02 13:11:30,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:30,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534327946] [2024-12-02 13:11:30,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:30,794 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 13:11:30,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:30,796 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:30,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:31,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:11:31,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:31,159 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:31,159 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:31,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534327946] [2024-12-02 13:11:31,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534327946] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:31,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:31,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:11:31,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644072971] [2024-12-02 13:11:31,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:31,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:11:31,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:31,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:11:31,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:11:31,162 INFO L87 Difference]: Start difference. First operand 118 states and 170 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:31,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:31,237 INFO L93 Difference]: Finished difference Result 240 states and 347 transitions. [2024-12-02 13:11:31,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:11:31,237 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-12-02 13:11:31,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:31,239 INFO L225 Difference]: With dead ends: 240 [2024-12-02 13:11:31,239 INFO L226 Difference]: Without dead ends: 125 [2024-12-02 13:11:31,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 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 13:11:31,241 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 1 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:31,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 784 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:11:31,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-12-02 13:11:31,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-12-02 13:11:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 97 states have internal predecessors, (126), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 13:11:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 176 transitions. [2024-12-02 13:11:31,254 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 176 transitions. Word has length 190 [2024-12-02 13:11:31,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:31,255 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 176 transitions. [2024-12-02 13:11:31,255 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 176 transitions. [2024-12-02 13:11:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:31,258 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:31,258 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:31,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:31,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:31,459 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:31,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:31,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1613144339, now seen corresponding path program 1 times [2024-12-02 13:11:31,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:31,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873049891] [2024-12-02 13:11:31,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:31,460 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 13:11:31,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:31,462 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:31,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:31,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 13:11:31,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:31,889 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:31,889 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:31,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873049891] [2024-12-02 13:11:31,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873049891] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:31,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:31,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:11:31,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589290309] [2024-12-02 13:11:31,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:31,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:11:31,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:31,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:11:31,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:11:31,891 INFO L87 Difference]: Start difference. First operand 124 states and 176 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:31,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:31,974 INFO L93 Difference]: Finished difference Result 250 states and 356 transitions. [2024-12-02 13:11:31,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:11:31,975 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-12-02 13:11:31,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:31,977 INFO L225 Difference]: With dead ends: 250 [2024-12-02 13:11:31,977 INFO L226 Difference]: Without dead ends: 129 [2024-12-02 13:11:31,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 183 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 13:11:31,979 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1076 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 13:11:31,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1076 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:11:31,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-12-02 13:11:31,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 128. [2024-12-02 13:11:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 101 states have internal predecessors, (130), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 13:11:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 180 transitions. [2024-12-02 13:11:31,989 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 180 transitions. Word has length 190 [2024-12-02 13:11:31,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:31,990 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 180 transitions. [2024-12-02 13:11:31,990 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 180 transitions. [2024-12-02 13:11:31,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:31,993 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:31,993 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:31,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:32,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:32,194 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:32,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:32,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1611297297, now seen corresponding path program 1 times [2024-12-02 13:11:32,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:32,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12535455] [2024-12-02 13:11:32,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:32,195 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 13:11:32,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:32,197 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:32,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:32,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 13:11:32,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:34,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 121 treesize of output 61 [2024-12-02 13:11:34,359 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 21 treesize of output 10 [2024-12-02 13:11:34,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:11:34,560 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 56 treesize of output 20 [2024-12-02 13:11:34,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:11:34,706 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 127 treesize of output 49 [2024-12-02 13:11:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-12-02 13:11:34,841 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:34,842 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:34,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12535455] [2024-12-02 13:11:34,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [12535455] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:34,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:34,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:11:34,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533692209] [2024-12-02 13:11:34,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:34,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:11:34,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:34,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:11:34,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:11:34,843 INFO L87 Difference]: Start difference. First operand 128 states and 180 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:37,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:37,175 INFO L93 Difference]: Finished difference Result 379 states and 532 transitions. [2024-12-02 13:11:37,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:11:37,176 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-12-02 13:11:37,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:37,177 INFO L225 Difference]: With dead ends: 379 [2024-12-02 13:11:37,177 INFO L226 Difference]: Without dead ends: 254 [2024-12-02 13:11:37,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:11:37,178 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 298 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:37,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 867 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 13:11:37,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-12-02 13:11:37,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 251. [2024-12-02 13:11:37,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 197 states have (on average 1.2791878172588833) internal successors, (252), 198 states have internal predecessors, (252), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:11:37,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 352 transitions. [2024-12-02 13:11:37,201 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 352 transitions. Word has length 190 [2024-12-02 13:11:37,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:37,202 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 352 transitions. [2024-12-02 13:11:37,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:37,202 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 352 transitions. [2024-12-02 13:11:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:37,205 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:37,205 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:37,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:37,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:37,406 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:37,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:37,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1188595471, now seen corresponding path program 1 times [2024-12-02 13:11:37,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:37,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062211142] [2024-12-02 13:11:37,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:37,407 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 13:11:37,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:37,408 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:37,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:37,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:11:37,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:37,668 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 43 treesize of output 19 [2024-12-02 13:11:37,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:37,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:37,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:37,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062211142] [2024-12-02 13:11:37,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062211142] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:37,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:37,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:11:37,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296098885] [2024-12-02 13:11:37,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:37,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:11:37,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:37,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:11:37,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:11:37,687 INFO L87 Difference]: Start difference. First operand 251 states and 352 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:37,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:37,905 INFO L93 Difference]: Finished difference Result 499 states and 701 transitions. [2024-12-02 13:11:37,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:11:37,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-12-02 13:11:37,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:37,913 INFO L225 Difference]: With dead ends: 499 [2024-12-02 13:11:37,913 INFO L226 Difference]: Without dead ends: 251 [2024-12-02 13:11:37,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 188 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 13:11:37,914 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:37,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 327 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:11:37,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-12-02 13:11:37,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-12-02 13:11:37,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 197 states have (on average 1.2690355329949239) internal successors, (250), 198 states have internal predecessors, (250), 50 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:11:37,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 350 transitions. [2024-12-02 13:11:37,935 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 350 transitions. Word has length 190 [2024-12-02 13:11:37,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:37,935 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 350 transitions. [2024-12-02 13:11:37,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 350 transitions. [2024-12-02 13:11:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 13:11:37,937 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:37,937 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:37,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:38,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:38,138 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:38,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:38,138 INFO L85 PathProgramCache]: Analyzing trace with hash -969740753, now seen corresponding path program 1 times [2024-12-02 13:11:38,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:38,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741996161] [2024-12-02 13:11:38,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:38,139 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 13:11:38,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:38,140 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:38,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:38,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:11:38,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:38,476 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 13:11:38,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 22 [2024-12-02 13:11:38,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 22 [2024-12-02 13:11:39,810 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 35 treesize of output 19 [2024-12-02 13:11:39,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 50 proven. 138 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 13:11:39,840 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:11:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-12-02 13:11:40,308 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:40,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741996161] [2024-12-02 13:11:40,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741996161] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:11:40,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:11:40,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 18 [2024-12-02 13:11:40,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120436959] [2024-12-02 13:11:40,308 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:11:40,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 13:11:40,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:40,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 13:11:40,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:11:40,310 INFO L87 Difference]: Start difference. First operand 251 states and 350 transitions. Second operand has 18 states, 14 states have (on average 7.928571428571429) internal successors, (111), 16 states have internal predecessors, (111), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) [2024-12-02 13:11:41,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:41,221 INFO L93 Difference]: Finished difference Result 519 states and 713 transitions. [2024-12-02 13:11:41,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:11:41,222 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 7.928571428571429) internal successors, (111), 16 states have internal predecessors, (111), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) Word has length 190 [2024-12-02 13:11:41,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:41,224 INFO L225 Difference]: With dead ends: 519 [2024-12-02 13:11:41,224 INFO L226 Difference]: Without dead ends: 271 [2024-12-02 13:11:41,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-12-02 13:11:41,226 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 83 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:41,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 629 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:11:41,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-12-02 13:11:41,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 263. [2024-12-02 13:11:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 205 states have (on average 1.248780487804878) internal successors, (256), 206 states have internal predecessors, (256), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:11:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 356 transitions. [2024-12-02 13:11:41,245 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 356 transitions. Word has length 190 [2024-12-02 13:11:41,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:41,246 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 356 transitions. [2024-12-02 13:11:41,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 7.928571428571429) internal successors, (111), 16 states have internal predecessors, (111), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) [2024-12-02 13:11:41,246 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 356 transitions. [2024-12-02 13:11:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 13:11:41,248 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:41,248 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:41,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:41,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:41,449 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:41,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:41,449 INFO L85 PathProgramCache]: Analyzing trace with hash -457934136, now seen corresponding path program 1 times [2024-12-02 13:11:41,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:41,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321264287] [2024-12-02 13:11:41,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:41,450 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 13:11:41,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:41,451 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:41,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:41,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 13:11:41,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:41,814 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 8 treesize of output 1 [2024-12-02 13:11:41,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 25 [2024-12-02 13:11:42,704 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:11:42,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 43 treesize of output 39 [2024-12-02 13:11:42,807 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:11:42,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 39 [2024-12-02 13:11:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-12-02 13:11:42,857 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:11:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:43,019 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:43,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321264287] [2024-12-02 13:11:43,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321264287] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:11:43,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:11:43,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2024-12-02 13:11:43,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523145866] [2024-12-02 13:11:43,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:43,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:11:43,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:43,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:11:43,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:11:43,021 INFO L87 Difference]: Start difference. First operand 263 states and 356 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:43,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:43,211 INFO L93 Difference]: Finished difference Result 653 states and 875 transitions. [2024-12-02 13:11:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:11:43,211 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 192 [2024-12-02 13:11:43,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:43,213 INFO L225 Difference]: With dead ends: 653 [2024-12-02 13:11:43,213 INFO L226 Difference]: Without dead ends: 393 [2024-12-02 13:11:43,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:11:43,214 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 65 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:43,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 735 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:11:43,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-12-02 13:11:43,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 281. [2024-12-02 13:11:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 223 states have (on average 1.251121076233184) internal successors, (279), 224 states have internal predecessors, (279), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:11:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 379 transitions. [2024-12-02 13:11:43,240 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 379 transitions. Word has length 192 [2024-12-02 13:11:43,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:43,240 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 379 transitions. [2024-12-02 13:11:43,241 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:43,241 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 379 transitions. [2024-12-02 13:11:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 13:11:43,242 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:43,242 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:43,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:43,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:43,443 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:43,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:43,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1842888454, now seen corresponding path program 1 times [2024-12-02 13:11:43,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:43,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011719677] [2024-12-02 13:11:43,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:43,444 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 13:11:43,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:43,445 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:43,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:43,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:11:43,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:44,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 121 treesize of output 61 [2024-12-02 13:11:44,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:11:44,987 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 148 treesize of output 58 [2024-12-02 13:11:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-12-02 13:11:45,058 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:11:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:45,319 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:45,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011719677] [2024-12-02 13:11:45,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011719677] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:11:45,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:11:45,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-12-02 13:11:45,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572009825] [2024-12-02 13:11:45,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:45,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:11:45,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:45,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:11:45,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:11:45,321 INFO L87 Difference]: Start difference. First operand 281 states and 379 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:45,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:45,633 INFO L93 Difference]: Finished difference Result 797 states and 1075 transitions. [2024-12-02 13:11:45,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:11:45,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 192 [2024-12-02 13:11:45,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:45,636 INFO L225 Difference]: With dead ends: 797 [2024-12-02 13:11:45,636 INFO L226 Difference]: Without dead ends: 519 [2024-12-02 13:11:45,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 370 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:11:45,637 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 151 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:45,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 590 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:11:45,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-12-02 13:11:45,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 281. [2024-12-02 13:11:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 223 states have (on average 1.242152466367713) internal successors, (277), 224 states have internal predecessors, (277), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:11:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 377 transitions. [2024-12-02 13:11:45,669 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 377 transitions. Word has length 192 [2024-12-02 13:11:45,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:45,669 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 377 transitions. [2024-12-02 13:11:45,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 377 transitions. [2024-12-02 13:11:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 13:11:45,670 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:45,671 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:45,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:45,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:45,871 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:45,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:45,871 INFO L85 PathProgramCache]: Analyzing trace with hash -358790689, now seen corresponding path program 1 times [2024-12-02 13:11:45,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:45,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110909071] [2024-12-02 13:11:45,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:45,872 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 13:11:45,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:45,874 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:45,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:46,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:11:46,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:46,140 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 19 [2024-12-02 13:11:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:46,154 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:46,154 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:46,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110909071] [2024-12-02 13:11:46,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110909071] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:46,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:46,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:11:46,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047785386] [2024-12-02 13:11:46,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:46,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:11:46,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:46,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:11:46,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:11:46,156 INFO L87 Difference]: Start difference. First operand 281 states and 377 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:46,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:46,190 INFO L93 Difference]: Finished difference Result 555 states and 745 transitions. [2024-12-02 13:11:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:11:46,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 192 [2024-12-02 13:11:46,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:46,192 INFO L225 Difference]: With dead ends: 555 [2024-12-02 13:11:46,193 INFO L226 Difference]: Without dead ends: 277 [2024-12-02 13:11:46,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 190 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 13:11:46,193 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:46,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 319 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:11:46,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-12-02 13:11:46,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-12-02 13:11:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 219 states have (on average 1.2191780821917808) internal successors, (267), 220 states have internal predecessors, (267), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:11:46,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 367 transitions. [2024-12-02 13:11:46,209 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 367 transitions. Word has length 192 [2024-12-02 13:11:46,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:46,210 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 367 transitions. [2024-12-02 13:11:46,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 367 transitions. [2024-12-02 13:11:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 13:11:46,211 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:46,211 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:46,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:46,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:46,411 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:46,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:46,412 INFO L85 PathProgramCache]: Analyzing trace with hash -591947642, now seen corresponding path program 1 times [2024-12-02 13:11:46,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:46,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491411388] [2024-12-02 13:11:46,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:46,412 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 13:11:46,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:46,414 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:46,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:46,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:11:46,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:47,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 121 treesize of output 61 [2024-12-02 13:11:47,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-12-02 13:11:47,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:11:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:48,235 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:48,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491411388] [2024-12-02 13:11:48,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1491411388] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:11:48,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:11:48,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2024-12-02 13:11:48,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512388521] [2024-12-02 13:11:48,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:48,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:11:48,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:48,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:11:48,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:11:48,236 INFO L87 Difference]: Start difference. First operand 277 states and 367 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:50,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 13:11:50,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:50,658 INFO L93 Difference]: Finished difference Result 799 states and 1062 transitions. [2024-12-02 13:11:50,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:11:50,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 192 [2024-12-02 13:11:50,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:50,664 INFO L225 Difference]: With dead ends: 799 [2024-12-02 13:11:50,664 INFO L226 Difference]: Without dead ends: 525 [2024-12-02 13:11:50,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:11:50,665 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 145 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:50,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 842 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 13:11:50,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-12-02 13:11:50,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 289. [2024-12-02 13:11:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 231 states have (on average 1.2121212121212122) internal successors, (280), 232 states have internal predecessors, (280), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:11:50,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 380 transitions. [2024-12-02 13:11:50,696 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 380 transitions. Word has length 192 [2024-12-02 13:11:50,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:50,696 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 380 transitions. [2024-12-02 13:11:50,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:50,696 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 380 transitions. [2024-12-02 13:11:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 13:11:50,698 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:50,698 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:50,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 13:11:50,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:50,899 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:50,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:50,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1708874948, now seen corresponding path program 1 times [2024-12-02 13:11:50,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:50,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807067200] [2024-12-02 13:11:50,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:50,899 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 13:11:50,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:50,901 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:50,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:51,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 13:11:51,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:52,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 121 treesize of output 61 [2024-12-02 13:11:52,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:11:52,167 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 148 treesize of output 58 [2024-12-02 13:11:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-12-02 13:11:52,316 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:11:52,501 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:52,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807067200] [2024-12-02 13:11:52,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807067200] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:11:52,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1210642988] [2024-12-02 13:11:52,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:52,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:11:52,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:11:52,504 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:11:52,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-02 13:11:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:53,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 13:11:53,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:54,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 121 treesize of output 61 [2024-12-02 13:11:54,505 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:11:54,505 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 148 treesize of output 58 [2024-12-02 13:11:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-12-02 13:11:54,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:11:54,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1210642988] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:11:54,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:11:54,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2024-12-02 13:11:54,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312798725] [2024-12-02 13:11:54,786 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:11:54,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:11:54,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:54,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:11:54,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:11:54,787 INFO L87 Difference]: Start difference. First operand 289 states and 380 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:56,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:56,833 INFO L93 Difference]: Finished difference Result 572 states and 753 transitions. [2024-12-02 13:11:56,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:11:56,835 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 192 [2024-12-02 13:11:56,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:56,836 INFO L225 Difference]: With dead ends: 572 [2024-12-02 13:11:56,836 INFO L226 Difference]: Without dead ends: 286 [2024-12-02 13:11:56,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:11:56,837 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 349 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:56,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 966 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 13:11:56,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-12-02 13:11:56,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2024-12-02 13:11:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 225 states have (on average 1.208888888888889) internal successors, (272), 226 states have internal predecessors, (272), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:11:56,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 372 transitions. [2024-12-02 13:11:56,852 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 372 transitions. Word has length 192 [2024-12-02 13:11:56,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:56,853 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 372 transitions. [2024-12-02 13:11:56,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 9 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 372 transitions. [2024-12-02 13:11:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-12-02 13:11:56,854 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:56,854 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:56,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:57,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-02 13:11:57,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:11:57,255 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:57,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:57,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1562213308, now seen corresponding path program 1 times [2024-12-02 13:11:57,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:57,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974149602] [2024-12-02 13:11:57,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:57,256 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 13:11:57,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:57,257 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:57,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:57,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:11:57,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:57,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-12-02 13:11:57,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:57,510 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:57,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974149602] [2024-12-02 13:11:57,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974149602] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:57,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:57,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 13:11:57,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924778193] [2024-12-02 13:11:57,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:57,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:11:57,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:57,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:11:57,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:11:57,511 INFO L87 Difference]: Start difference. First operand 283 states and 372 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:57,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:57,560 INFO L93 Difference]: Finished difference Result 563 states and 741 transitions. [2024-12-02 13:11:57,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:11:57,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 192 [2024-12-02 13:11:57,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:57,562 INFO L225 Difference]: With dead ends: 563 [2024-12-02 13:11:57,562 INFO L226 Difference]: Without dead ends: 283 [2024-12-02 13:11:57,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 189 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 13:11:57,563 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 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 13:11:57,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:11:57,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-12-02 13:11:57,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-12-02 13:11:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 225 states have (on average 1.2044444444444444) internal successors, (271), 226 states have internal predecessors, (271), 50 states have call successors, (50), 7 states have call predecessors, (50), 7 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-12-02 13:11:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 371 transitions. [2024-12-02 13:11:57,580 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 371 transitions. Word has length 192 [2024-12-02 13:11:57,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:57,580 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 371 transitions. [2024-12-02 13:11:57,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:11:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 371 transitions. [2024-12-02 13:11:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-12-02 13:11:57,581 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:57,581 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:57,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:57,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:57,782 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:57,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:57,782 INFO L85 PathProgramCache]: Analyzing trace with hash -242044291, now seen corresponding path program 1 times [2024-12-02 13:11:57,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:57,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958608291] [2024-12-02 13:11:57,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:57,783 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 13:11:57,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:57,785 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:57,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:58,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 13:11:58,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:58,392 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 39 treesize of output 21 [2024-12-02 13:11:58,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 414 proven. 57 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-12-02 13:11:58,405 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:11:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 15 proven. 57 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 13:11:58,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:58,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958608291] [2024-12-02 13:11:58,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958608291] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:11:58,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:11:58,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2024-12-02 13:11:58,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852395979] [2024-12-02 13:11:58,686 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:11:58,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:11:58,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:58,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:11:58,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:11:58,687 INFO L87 Difference]: Start difference. First operand 283 states and 371 transitions. Second operand has 10 states, 8 states have (on average 10.125) internal successors, (81), 10 states have internal predecessors, (81), 4 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (45), 2 states have call predecessors, (45), 4 states have call successors, (45) [2024-12-02 13:11:59,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:59,172 INFO L93 Difference]: Finished difference Result 581 states and 755 transitions. [2024-12-02 13:11:59,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 13:11:59,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.125) internal successors, (81), 10 states have internal predecessors, (81), 4 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (45), 2 states have call predecessors, (45), 4 states have call successors, (45) Word has length 193 [2024-12-02 13:11:59,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:59,174 INFO L225 Difference]: With dead ends: 581 [2024-12-02 13:11:59,174 INFO L226 Difference]: Without dead ends: 301 [2024-12-02 13:11:59,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 375 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:11:59,175 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 211 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:59,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 495 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:11:59,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-12-02 13:11:59,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 283. [2024-12-02 13:11:59,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 226 states have (on average 1.1946902654867257) internal successors, (270), 227 states have internal predecessors, (270), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 13:11:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 366 transitions. [2024-12-02 13:11:59,205 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 366 transitions. Word has length 193 [2024-12-02 13:11:59,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:59,205 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 366 transitions. [2024-12-02 13:11:59,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.125) internal successors, (81), 10 states have internal predecessors, (81), 4 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (45), 2 states have call predecessors, (45), 4 states have call successors, (45) [2024-12-02 13:11:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 366 transitions. [2024-12-02 13:11:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-12-02 13:11:59,207 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:59,207 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:59,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:59,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:59,407 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:59,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:59,408 INFO L85 PathProgramCache]: Analyzing trace with hash -101495681, now seen corresponding path program 1 times [2024-12-02 13:11:59,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:59,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295501922] [2024-12-02 13:11:59,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:59,408 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 13:11:59,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:59,410 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:59,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:11:59,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:11:59,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:11:59,675 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 19 [2024-12-02 13:11:59,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:11:59,692 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:11:59,692 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:11:59,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295501922] [2024-12-02 13:11:59,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [295501922] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:11:59,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:11:59,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:11:59,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496279309] [2024-12-02 13:11:59,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:11:59,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:11:59,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:11:59,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:11:59,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:11:59,694 INFO L87 Difference]: Start difference. First operand 283 states and 366 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:59,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:11:59,721 INFO L93 Difference]: Finished difference Result 542 states and 705 transitions. [2024-12-02 13:11:59,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:11:59,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 193 [2024-12-02 13:11:59,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:11:59,722 INFO L225 Difference]: With dead ends: 542 [2024-12-02 13:11:59,722 INFO L226 Difference]: Without dead ends: 262 [2024-12-02 13:11:59,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 191 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 13:11:59,723 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:11:59,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 311 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:11:59,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-12-02 13:11:59,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2024-12-02 13:11:59,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 205 states have (on average 1.1902439024390243) internal successors, (244), 206 states have internal predecessors, (244), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 13:11:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 340 transitions. [2024-12-02 13:11:59,741 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 340 transitions. Word has length 193 [2024-12-02 13:11:59,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:11:59,741 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 340 transitions. [2024-12-02 13:11:59,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:11:59,741 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 340 transitions. [2024-12-02 13:11:59,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 13:11:59,742 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:11:59,742 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:11:59,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:59,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:59,943 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:11:59,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:11:59,943 INFO L85 PathProgramCache]: Analyzing trace with hash 552097416, now seen corresponding path program 1 times [2024-12-02 13:11:59,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:11:59,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985655226] [2024-12-02 13:11:59,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:11:59,943 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 13:11:59,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:11:59,945 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:11:59,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:00,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:12:00,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 13:12:00,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-12-02 13:12:00,603 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:00,603 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 64 treesize of output 24 [2024-12-02 13:12:00,653 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 62 treesize of output 26 [2024-12-02 13:12:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:12:00,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:12:00,710 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:00,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985655226] [2024-12-02 13:12:00,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [985655226] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:12:00,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:12:00,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 13:12:00,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385105980] [2024-12-02 13:12:00,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:12:00,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:12:00,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:00,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:12:00,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:12:00,711 INFO L87 Difference]: Start difference. First operand 262 states and 340 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:12:03,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:03,902 INFO L93 Difference]: Finished difference Result 827 states and 1091 transitions. [2024-12-02 13:12:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:12:03,904 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 194 [2024-12-02 13:12:03,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:03,906 INFO L225 Difference]: With dead ends: 827 [2024-12-02 13:12:03,906 INFO L226 Difference]: Without dead ends: 568 [2024-12-02 13:12:03,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:12:03,906 INFO L435 NwaCegarLoop]: 370 mSDtfsCounter, 305 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:12:03,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 1178 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-12-02 13:12:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-12-02 13:12:03,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 262. [2024-12-02 13:12:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 205 states have (on average 1.1853658536585365) internal successors, (243), 206 states have internal predecessors, (243), 48 states have call successors, (48), 8 states have call predecessors, (48), 8 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-12-02 13:12:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 339 transitions. [2024-12-02 13:12:03,933 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 339 transitions. Word has length 194 [2024-12-02 13:12:03,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:03,934 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 339 transitions. [2024-12-02 13:12:03,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:12:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 339 transitions. [2024-12-02 13:12:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 13:12:03,935 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:03,935 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:03,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:04,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:04,136 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:04,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:04,136 INFO L85 PathProgramCache]: Analyzing trace with hash 974799242, now seen corresponding path program 1 times [2024-12-02 13:12:04,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:12:04,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115079122] [2024-12-02 13:12:04,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:04,136 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 13:12:04,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:12:04,138 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:04,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:04,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 13:12:04,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:05,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 119 treesize of output 59 [2024-12-02 13:12:05,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:05,521 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 146 treesize of output 56 [2024-12-02 13:12:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 18 proven. 510 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-12-02 13:12:05,600 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:12:05,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:05,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115079122] [2024-12-02 13:12:05,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115079122] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:12:05,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1450094813] [2024-12-02 13:12:05,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:05,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:12:05,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:12:05,791 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:12:05,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-02 13:12:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:06,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 13:12:06,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:07,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 119 treesize of output 59 [2024-12-02 13:12:07,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:07,997 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 146 treesize of output 56 [2024-12-02 13:12:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 18 proven. 510 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-12-02 13:12:08,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:12:08,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1450094813] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:12:08,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:12:08,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2024-12-02 13:12:08,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275936889] [2024-12-02 13:12:08,306 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:12:08,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 13:12:08,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:08,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 13:12:08,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:12:08,307 INFO L87 Difference]: Start difference. First operand 262 states and 339 transitions. Second operand has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 13:12:11,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:11,029 INFO L93 Difference]: Finished difference Result 660 states and 850 transitions. [2024-12-02 13:12:11,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 13:12:11,030 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 194 [2024-12-02 13:12:11,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:11,032 INFO L225 Difference]: With dead ends: 660 [2024-12-02 13:12:11,032 INFO L226 Difference]: Without dead ends: 401 [2024-12-02 13:12:11,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 441 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=217, Invalid=839, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 13:12:11,033 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 276 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:12:11,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1094 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 13:12:11,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-12-02 13:12:11,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 323. [2024-12-02 13:12:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 245 states have (on average 1.1714285714285715) internal successors, (287), 246 states have internal predecessors, (287), 67 states have call successors, (67), 10 states have call predecessors, (67), 10 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2024-12-02 13:12:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 421 transitions. [2024-12-02 13:12:11,064 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 421 transitions. Word has length 194 [2024-12-02 13:12:11,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:11,064 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 421 transitions. [2024-12-02 13:12:11,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 11 states have internal predecessors, (86), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 13:12:11,064 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 421 transitions. [2024-12-02 13:12:11,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-12-02 13:12:11,065 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:11,065 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:11,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-02 13:12:11,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 13:12:11,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:11,466 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:11,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:11,466 INFO L85 PathProgramCache]: Analyzing trace with hash 51631816, now seen corresponding path program 1 times [2024-12-02 13:12:11,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:12:11,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [718455246] [2024-12-02 13:12:11,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:11,467 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 13:12:11,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:12:11,468 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:11,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:11,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:12:11,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 522 proven. 0 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2024-12-02 13:12:11,744 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:12:11,744 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:11,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [718455246] [2024-12-02 13:12:11,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [718455246] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:12:11,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:12:11,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:12:11,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994331148] [2024-12-02 13:12:11,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:12:11,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:12:11,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:11,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:12:11,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:12:11,745 INFO L87 Difference]: Start difference. First operand 323 states and 421 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 13:12:11,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:11,951 INFO L93 Difference]: Finished difference Result 532 states and 689 transitions. [2024-12-02 13:12:11,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:12:11,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 194 [2024-12-02 13:12:11,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:11,953 INFO L225 Difference]: With dead ends: 532 [2024-12-02 13:12:11,953 INFO L226 Difference]: Without dead ends: 206 [2024-12-02 13:12:11,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 189 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 13:12:11,955 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 1 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:12:11,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 581 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:12:11,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-12-02 13:12:11,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 198. [2024-12-02 13:12:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 146 states have (on average 1.1506849315068493) internal successors, (168), 146 states have internal predecessors, (168), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 13:12:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 256 transitions. [2024-12-02 13:12:11,995 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 256 transitions. Word has length 194 [2024-12-02 13:12:11,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:11,995 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 256 transitions. [2024-12-02 13:12:11,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 13:12:11,995 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 256 transitions. [2024-12-02 13:12:11,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-12-02 13:12:11,996 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:11,997 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:12,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:12,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:12,197 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:12,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:12,198 INFO L85 PathProgramCache]: Analyzing trace with hash -423079745, now seen corresponding path program 1 times [2024-12-02 13:12:12,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:12:12,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195157212] [2024-12-02 13:12:12,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:12,198 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 13:12:12,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:12:12,200 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:12,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:12,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 13:12:12,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:14,098 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 21 treesize of output 10 [2024-12-02 13:12:14,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 121 treesize of output 61 [2024-12-02 13:12:14,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:14,509 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 56 treesize of output 20 [2024-12-02 13:12:14,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:14,599 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 127 treesize of output 49 [2024-12-02 13:12:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-12-02 13:12:14,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:12:14,701 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:14,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195157212] [2024-12-02 13:12:14,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1195157212] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:12:14,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:12:14,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:12:14,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507257956] [2024-12-02 13:12:14,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:12:14,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:12:14,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:14,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:12:14,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:12:14,702 INFO L87 Difference]: Start difference. First operand 198 states and 256 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:12:17,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:17,367 INFO L93 Difference]: Finished difference Result 465 states and 595 transitions. [2024-12-02 13:12:17,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:12:17,368 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 195 [2024-12-02 13:12:17,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:17,369 INFO L225 Difference]: With dead ends: 465 [2024-12-02 13:12:17,369 INFO L226 Difference]: Without dead ends: 270 [2024-12-02 13:12:17,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:12:17,370 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 195 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:12:17,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1169 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 13:12:17,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-12-02 13:12:17,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 206. [2024-12-02 13:12:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 154 states have (on average 1.1493506493506493) internal successors, (177), 154 states have internal predecessors, (177), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 13:12:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 265 transitions. [2024-12-02 13:12:17,411 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 265 transitions. Word has length 195 [2024-12-02 13:12:17,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:17,412 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 265 transitions. [2024-12-02 13:12:17,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 13:12:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 265 transitions. [2024-12-02 13:12:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-12-02 13:12:17,413 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:17,413 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:17,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:17,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:17,614 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:17,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:17,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1444148099, now seen corresponding path program 1 times [2024-12-02 13:12:17,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:12:17,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144055281] [2024-12-02 13:12:17,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:17,615 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 13:12:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:12:17,616 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:17,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:17,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:12:17,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:12:17,909 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:12:17,909 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:17,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144055281] [2024-12-02 13:12:17,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144055281] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:12:17,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:12:17,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:12:17,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328074958] [2024-12-02 13:12:17,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:12:17,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:12:17,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:17,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:12:17,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:12:17,910 INFO L87 Difference]: Start difference. First operand 206 states and 265 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:12:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:18,020 INFO L93 Difference]: Finished difference Result 412 states and 531 transitions. [2024-12-02 13:12:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:12:18,020 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 195 [2024-12-02 13:12:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:18,022 INFO L225 Difference]: With dead ends: 412 [2024-12-02 13:12:18,022 INFO L226 Difference]: Without dead ends: 209 [2024-12-02 13:12:18,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 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 13:12:18,022 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:12:18,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 595 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:12:18,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-12-02 13:12:18,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-12-02 13:12:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 157 states have (on average 1.1464968152866242) internal successors, (180), 157 states have internal predecessors, (180), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 13:12:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 268 transitions. [2024-12-02 13:12:18,063 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 268 transitions. Word has length 195 [2024-12-02 13:12:18,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:18,063 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 268 transitions. [2024-12-02 13:12:18,063 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:12:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 268 transitions. [2024-12-02 13:12:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-02 13:12:18,064 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:18,065 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:18,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:18,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:18,265 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:18,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:18,266 INFO L85 PathProgramCache]: Analyzing trace with hash -35981425, now seen corresponding path program 1 times [2024-12-02 13:12:18,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:12:18,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432147204] [2024-12-02 13:12:18,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:18,266 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 13:12:18,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:12:18,268 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:18,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Waiting until timeout for monitored process [2024-12-02 13:12:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:18,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:12:18,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:18,573 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 43 treesize of output 19 [2024-12-02 13:12:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:12:18,589 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:12:18,589 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:18,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432147204] [2024-12-02 13:12:18,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1432147204] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:12:18,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:12:18,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:12:18,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545469912] [2024-12-02 13:12:18,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:12:18,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:12:18,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:18,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:12:18,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:12:18,590 INFO L87 Difference]: Start difference. First operand 209 states and 268 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:12:18,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:18,631 INFO L93 Difference]: Finished difference Result 415 states and 533 transitions. [2024-12-02 13:12:18,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:12:18,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 197 [2024-12-02 13:12:18,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:18,632 INFO L225 Difference]: With dead ends: 415 [2024-12-02 13:12:18,632 INFO L226 Difference]: Without dead ends: 209 [2024-12-02 13:12:18,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 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 13:12:18,633 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:12:18,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:12:18,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-12-02 13:12:18,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-12-02 13:12:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 157 states have (on average 1.1337579617834395) internal successors, (178), 157 states have internal predecessors, (178), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 13:12:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 266 transitions. [2024-12-02 13:12:18,656 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 266 transitions. Word has length 197 [2024-12-02 13:12:18,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:18,656 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 266 transitions. [2024-12-02 13:12:18,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:12:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 266 transitions. [2024-12-02 13:12:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-02 13:12:18,657 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:18,657 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:18,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 13:12:18,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:18,858 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:18,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:18,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1724925167, now seen corresponding path program 1 times [2024-12-02 13:12:18,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:12:18,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89823957] [2024-12-02 13:12:18,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:18,859 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 13:12:18,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:12:18,860 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:18,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:19,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 13:12:19,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:19,292 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 13:12:19,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 22 [2024-12-02 13:12:19,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 22 [2024-12-02 13:12:20,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:20,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 48 treesize of output 42 [2024-12-02 13:12:20,769 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:20,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 24 [2024-12-02 13:12:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 50 proven. 138 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 13:12:20,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:12:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-12-02 13:12:21,199 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:21,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89823957] [2024-12-02 13:12:21,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [89823957] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:12:21,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:12:21,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2024-12-02 13:12:21,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792292397] [2024-12-02 13:12:21,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:12:21,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 13:12:21,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:21,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 13:12:21,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:12:21,201 INFO L87 Difference]: Start difference. First operand 209 states and 266 transitions. Second operand has 19 states, 15 states have (on average 9.466666666666667) internal successors, (142), 17 states have internal predecessors, (142), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) [2024-12-02 13:12:22,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:22,121 INFO L93 Difference]: Finished difference Result 425 states and 539 transitions. [2024-12-02 13:12:22,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 13:12:22,121 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 9.466666666666667) internal successors, (142), 17 states have internal predecessors, (142), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) Word has length 197 [2024-12-02 13:12:22,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:22,123 INFO L225 Difference]: With dead ends: 425 [2024-12-02 13:12:22,123 INFO L226 Difference]: Without dead ends: 219 [2024-12-02 13:12:22,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:12:22,124 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 134 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:12:22,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 723 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:12:22,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-12-02 13:12:22,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 209. [2024-12-02 13:12:22,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 157 states have (on average 1.127388535031847) internal successors, (177), 157 states have internal predecessors, (177), 44 states have call successors, (44), 7 states have call predecessors, (44), 7 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 13:12:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 265 transitions. [2024-12-02 13:12:22,148 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 265 transitions. Word has length 197 [2024-12-02 13:12:22,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:22,148 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 265 transitions. [2024-12-02 13:12:22,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 9.466666666666667) internal successors, (142), 17 states have internal predecessors, (142), 6 states have call successors, (50), 4 states have call predecessors, (50), 5 states have return successors, (50), 3 states have call predecessors, (50), 6 states have call successors, (50) [2024-12-02 13:12:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 265 transitions. [2024-12-02 13:12:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-02 13:12:22,150 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:22,150 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:22,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:22,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:22,350 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:22,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:22,351 INFO L85 PathProgramCache]: Analyzing trace with hash -753300355, now seen corresponding path program 1 times [2024-12-02 13:12:22,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:12:22,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807500473] [2024-12-02 13:12:22,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:22,352 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 13:12:22,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:12:22,353 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:22,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:22,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 13:12:22,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:22,788 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 8 treesize of output 1 [2024-12-02 13:12:22,791 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 14 treesize of output 10 [2024-12-02 13:12:22,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 14 [2024-12-02 13:12:22,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 24 [2024-12-02 13:12:22,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:22,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 40 treesize of output 27 [2024-12-02 13:12:23,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:23,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 35 treesize of output 37 [2024-12-02 13:12:23,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:23,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-12-02 13:12:23,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:23,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2024-12-02 13:12:23,482 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:23,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 75 treesize of output 80 [2024-12-02 13:12:23,720 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:23,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 145 treesize of output 67 [2024-12-02 13:12:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 832 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-12-02 13:12:23,777 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:12:23,777 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:23,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807500473] [2024-12-02 13:12:23,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807500473] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:12:23,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:12:23,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 13:12:23,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452998478] [2024-12-02 13:12:23,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:12:23,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:12:23,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:23,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:12:23,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:12:23,778 INFO L87 Difference]: Start difference. First operand 209 states and 265 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-12-02 13:12:25,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:12:25,101 INFO L93 Difference]: Finished difference Result 527 states and 660 transitions. [2024-12-02 13:12:25,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:12:25,102 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 197 [2024-12-02 13:12:25,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:12:25,104 INFO L225 Difference]: With dead ends: 527 [2024-12-02 13:12:25,104 INFO L226 Difference]: Without dead ends: 321 [2024-12-02 13:12:25,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:12:25,105 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 309 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:12:25,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 736 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:12:25,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-12-02 13:12:25,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 314. [2024-12-02 13:12:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 239 states have (on average 1.1338912133891212) internal successors, (271), 241 states have internal predecessors, (271), 60 states have call successors, (60), 14 states have call predecessors, (60), 14 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 13:12:25,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 391 transitions. [2024-12-02 13:12:25,189 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 391 transitions. Word has length 197 [2024-12-02 13:12:25,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:12:25,189 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 391 transitions. [2024-12-02 13:12:25,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-12-02 13:12:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 391 transitions. [2024-12-02 13:12:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-02 13:12:25,190 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:12:25,190 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:12:25,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:25,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:25,390 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:12:25,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:12:25,391 INFO L85 PathProgramCache]: Analyzing trace with hash -887313861, now seen corresponding path program 1 times [2024-12-02 13:12:25,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:12:25,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938035473] [2024-12-02 13:12:25,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:12:25,391 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 13:12:25,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:12:25,393 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:25,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:12:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:12:25,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 13:12:25,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:12:26,597 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 21 treesize of output 10 [2024-12-02 13:12:26,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 90 treesize of output 48 [2024-12-02 13:12:30,486 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:30,486 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 122 treesize of output 56 [2024-12-02 13:12:31,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:12:31,409 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 135 treesize of output 63 [2024-12-02 13:12:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 54 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2024-12-02 13:12:32,710 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:12:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:12:43,582 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:12:43,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938035473] [2024-12-02 13:12:43,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938035473] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:12:43,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:12:43,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 19 [2024-12-02 13:12:43,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942241412] [2024-12-02 13:12:43,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:12:43,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:12:43,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:12:43,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:12:43,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:12:43,584 INFO L87 Difference]: Start difference. First operand 314 states and 391 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:13:02,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:06,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:09,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 13:13:31,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:13:31,995 INFO L93 Difference]: Finished difference Result 737 states and 931 transitions. [2024-12-02 13:13:32,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:13:32,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 197 [2024-12-02 13:13:32,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:13:32,005 INFO L225 Difference]: With dead ends: 737 [2024-12-02 13:13:32,005 INFO L226 Difference]: Without dead ends: 426 [2024-12-02 13:13:32,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:13:32,006 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 160 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 52 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:13:32,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 950 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 274 Invalid, 1 Unknown, 0 Unchecked, 44.2s Time] [2024-12-02 13:13:32,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-12-02 13:13:32,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 301. [2024-12-02 13:13:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 226 states have (on average 1.1327433628318584) internal successors, (256), 228 states have internal predecessors, (256), 60 states have call successors, (60), 14 states have call predecessors, (60), 14 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 13:13:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 376 transitions. [2024-12-02 13:13:32,098 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 376 transitions. Word has length 197 [2024-12-02 13:13:32,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:13:32,098 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 376 transitions. [2024-12-02 13:13:32,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:13:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 376 transitions. [2024-12-02 13:13:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-12-02 13:13:32,099 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:13:32,099 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:32,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 13:13:32,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:32,300 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:13:32,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:13:32,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1206666006, now seen corresponding path program 1 times [2024-12-02 13:13:32,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:13:32,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589870953] [2024-12-02 13:13:32,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:32,301 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 13:13:32,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:13:32,302 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:32,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:32,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-02 13:13:32,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:13:32,811 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 13:13:32,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 [2024-12-02 13:13:32,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:32,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 39 treesize of output 26 [2024-12-02 13:13:33,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:33,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 34 treesize of output 36 [2024-12-02 13:13:33,441 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:33,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 54 [2024-12-02 13:13:33,742 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:33,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 67 [2024-12-02 13:13:34,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:34,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 65 [2024-12-02 13:13:34,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:34,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 75 [2024-12-02 13:13:34,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:34,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 78 [2024-12-02 13:13:35,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:35,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 91 treesize of output 95 [2024-12-02 13:13:36,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:36,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 111 treesize of output 51 [2024-12-02 13:13:36,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 928 proven. 75 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-12-02 13:13:36,859 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:13:37,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:13:37,539 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:13:37,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589870953] [2024-12-02 13:13:37,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589870953] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:13:37,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:13:37,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [23] total 29 [2024-12-02 13:13:37,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306306679] [2024-12-02 13:13:37,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:13:37,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:13:37,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:13:37,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:13:37,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=687, Unknown=0, NotChecked=0, Total=812 [2024-12-02 13:13:37,540 INFO L87 Difference]: Start difference. First operand 301 states and 376 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:13:38,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:13:38,676 INFO L93 Difference]: Finished difference Result 805 states and 988 transitions. [2024-12-02 13:13:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:13:38,677 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2024-12-02 13:13:38,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:13:38,679 INFO L225 Difference]: With dead ends: 805 [2024-12-02 13:13:38,679 INFO L226 Difference]: Without dead ends: 507 [2024-12-02 13:13:38,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=153, Invalid=1037, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 13:13:38,681 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 74 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:13:38,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1329 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 13:13:38,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2024-12-02 13:13:38,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 483. [2024-12-02 13:13:38,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 384 states have (on average 1.1510416666666667) internal successors, (442), 388 states have internal predecessors, (442), 74 states have call successors, (74), 24 states have call predecessors, (74), 24 states have return successors, (74), 70 states have call predecessors, (74), 74 states have call successors, (74) [2024-12-02 13:13:38,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 590 transitions. [2024-12-02 13:13:38,822 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 590 transitions. Word has length 199 [2024-12-02 13:13:38,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:13:38,822 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 590 transitions. [2024-12-02 13:13:38,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:13:38,823 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 590 transitions. [2024-12-02 13:13:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-12-02 13:13:38,824 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:13:38,824 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:38,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:39,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:39,025 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:13:39,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:13:39,025 INFO L85 PathProgramCache]: Analyzing trace with hash -73197672, now seen corresponding path program 1 times [2024-12-02 13:13:39,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:13:39,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [423143155] [2024-12-02 13:13:39,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:39,026 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 13:13:39,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:13:39,027 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:39,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:39,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-02 13:13:39,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:13:39,515 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 13:13:39,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 17 [2024-12-02 13:13:39,860 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:39,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 48 treesize of output 31 [2024-12-02 13:13:40,011 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:40,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 43 treesize of output 41 [2024-12-02 13:13:40,256 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:40,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 44 [2024-12-02 13:13:40,444 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:40,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 44 [2024-12-02 13:13:40,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:40,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 54 [2024-12-02 13:13:40,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:40,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 57 [2024-12-02 13:13:41,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:41,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 57 [2024-12-02 13:13:41,829 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:41,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 59 [2024-12-02 13:13:42,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:42,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 33 [2024-12-02 13:13:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 903 proven. 87 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-12-02 13:13:42,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:13:42,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:13:42,866 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:13:42,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [423143155] [2024-12-02 13:13:42,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [423143155] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:13:42,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:13:42,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 19 [2024-12-02 13:13:42,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518526659] [2024-12-02 13:13:42,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:13:42,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:13:42,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:13:42,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:13:42,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:13:42,867 INFO L87 Difference]: Start difference. First operand 483 states and 590 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:13:43,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:13:43,483 INFO L93 Difference]: Finished difference Result 975 states and 1186 transitions. [2024-12-02 13:13:43,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:13:43,484 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2024-12-02 13:13:43,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:13:43,486 INFO L225 Difference]: With dead ends: 975 [2024-12-02 13:13:43,486 INFO L226 Difference]: Without dead ends: 495 [2024-12-02 13:13:43,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 374 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:13:43,486 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 64 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:13:43,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 598 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:13:43,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-12-02 13:13:43,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 471. [2024-12-02 13:13:43,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 372 states have (on average 1.1451612903225807) internal successors, (426), 376 states have internal predecessors, (426), 74 states have call successors, (74), 24 states have call predecessors, (74), 24 states have return successors, (74), 70 states have call predecessors, (74), 74 states have call successors, (74) [2024-12-02 13:13:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 574 transitions. [2024-12-02 13:13:43,610 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 574 transitions. Word has length 199 [2024-12-02 13:13:43,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:13:43,610 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 574 transitions. [2024-12-02 13:13:43,610 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:13:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 574 transitions. [2024-12-02 13:13:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-12-02 13:13:43,612 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:13:43,612 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:43,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:43,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:43,812 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:13:43,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:13:43,813 INFO L85 PathProgramCache]: Analyzing trace with hash -638701160, now seen corresponding path program 1 times [2024-12-02 13:13:43,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:13:43,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690445349] [2024-12-02 13:13:43,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:43,813 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 13:13:43,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:13:43,815 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:43,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:44,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-02 13:13:44,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:13:44,269 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 13:13:44,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 17 [2024-12-02 13:13:44,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:44,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 48 treesize of output 31 [2024-12-02 13:13:44,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:44,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 43 treesize of output 41 [2024-12-02 13:13:45,076 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:45,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 54 [2024-12-02 13:13:45,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:45,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 67 [2024-12-02 13:13:45,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:45,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 80 [2024-12-02 13:13:46,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:46,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 83 [2024-12-02 13:13:46,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:46,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 83 treesize of output 93 [2024-12-02 13:13:47,413 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:47,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 107 treesize of output 99 [2024-12-02 13:13:48,195 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:48,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 106 treesize of output 46 [2024-12-02 13:13:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 983 proven. 87 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-12-02 13:13:48,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:13:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:13:48,633 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:13:48,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690445349] [2024-12-02 13:13:48,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690445349] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:13:48,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:13:48,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2024-12-02 13:13:48,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131983288] [2024-12-02 13:13:48,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:13:48,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:13:48,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:13:48,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:13:48,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:13:48,634 INFO L87 Difference]: Start difference. First operand 471 states and 574 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:13:49,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:13:49,143 INFO L93 Difference]: Finished difference Result 971 states and 1174 transitions. [2024-12-02 13:13:49,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:13:49,146 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 199 [2024-12-02 13:13:49,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:13:49,148 INFO L225 Difference]: With dead ends: 971 [2024-12-02 13:13:49,148 INFO L226 Difference]: Without dead ends: 503 [2024-12-02 13:13:49,149 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 373 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:13:49,149 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 120 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:13:49,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 470 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:13:49,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-12-02 13:13:49,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 365. [2024-12-02 13:13:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 288 states have (on average 1.1180555555555556) internal successors, (322), 290 states have internal predecessors, (322), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-12-02 13:13:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 442 transitions. [2024-12-02 13:13:49,212 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 442 transitions. Word has length 199 [2024-12-02 13:13:49,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:13:49,213 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 442 transitions. [2024-12-02 13:13:49,213 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:13:49,213 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 442 transitions. [2024-12-02 13:13:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-12-02 13:13:49,214 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:13:49,214 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:49,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:49,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:49,415 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:13:49,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:13:49,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1918564838, now seen corresponding path program 1 times [2024-12-02 13:13:49,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:13:49,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075482493] [2024-12-02 13:13:49,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:49,416 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 13:13:49,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:13:49,417 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:49,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:49,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 13:13:49,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:13:49,867 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 14 treesize of output 10 [2024-12-02 13:13:49,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 24 [2024-12-02 13:13:50,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:50,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 40 treesize of output 27 [2024-12-02 13:13:50,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:50,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 35 treesize of output 37 [2024-12-02 13:13:50,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:50,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-12-02 13:13:50,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:50,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2024-12-02 13:13:50,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:50,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2024-12-02 13:13:50,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:50,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2024-12-02 13:13:51,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:51,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 79 [2024-12-02 13:13:51,906 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:51,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 101 treesize of output 41 [2024-12-02 13:13:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 912 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 13:13:52,080 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:13:52,080 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:13:52,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075482493] [2024-12-02 13:13:52,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075482493] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:13:52,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:13:52,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 13:13:52,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564964998] [2024-12-02 13:13:52,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:13:52,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:13:52,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:13:52,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:13:52,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:13:52,082 INFO L87 Difference]: Start difference. First operand 365 states and 442 transitions. Second operand has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-12-02 13:13:54,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:13:54,699 INFO L93 Difference]: Finished difference Result 893 states and 1072 transitions. [2024-12-02 13:13:54,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:13:54,700 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 199 [2024-12-02 13:13:54,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:13:54,702 INFO L225 Difference]: With dead ends: 893 [2024-12-02 13:13:54,702 INFO L226 Difference]: Without dead ends: 531 [2024-12-02 13:13:54,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-12-02 13:13:54,703 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 257 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:13:54,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1196 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 13:13:54,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-12-02 13:13:54,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 525. [2024-12-02 13:13:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 408 states have (on average 1.1225490196078431) internal successors, (458), 414 states have internal predecessors, (458), 84 states have call successors, (84), 32 states have call predecessors, (84), 32 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2024-12-02 13:13:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 626 transitions. [2024-12-02 13:13:54,844 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 626 transitions. Word has length 199 [2024-12-02 13:13:54,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:13:54,845 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 626 transitions. [2024-12-02 13:13:54,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (25), 5 states have call predecessors, (25), 5 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2024-12-02 13:13:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 626 transitions. [2024-12-02 13:13:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-12-02 13:13:54,846 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:13:54,846 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:54,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:55,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:55,047 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:13:55,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:13:55,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1587889639, now seen corresponding path program 1 times [2024-12-02 13:13:55,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:13:55,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464153964] [2024-12-02 13:13:55,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:55,048 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 13:13:55,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:13:55,049 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:55,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:55,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:13:55,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:13:55,505 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 8 treesize of output 1 [2024-12-02 13:13:55,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 31 treesize of output 15 [2024-12-02 13:13:56,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 26 [2024-12-02 13:13:56,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:13:56,220 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 56 treesize of output 26 [2024-12-02 13:13:56,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 282 proven. 63 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-12-02 13:13:56,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:13:56,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-12-02 13:13:56,760 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:13:56,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464153964] [2024-12-02 13:13:56,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1464153964] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:13:56,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:13:56,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2024-12-02 13:13:56,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620175671] [2024-12-02 13:13:56,760 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:13:56,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 13:13:56,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:13:56,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 13:13:56,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-12-02 13:13:56,761 INFO L87 Difference]: Start difference. First operand 525 states and 626 transitions. Second operand has 11 states, 9 states have (on average 12.333333333333334) internal successors, (111), 11 states have internal predecessors, (111), 4 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 4 states have call successors, (47) [2024-12-02 13:13:57,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:13:57,641 INFO L93 Difference]: Finished difference Result 1079 states and 1281 transitions. [2024-12-02 13:13:57,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:13:57,642 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 12.333333333333334) internal successors, (111), 11 states have internal predecessors, (111), 4 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 4 states have call successors, (47) Word has length 202 [2024-12-02 13:13:57,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:13:57,646 INFO L225 Difference]: With dead ends: 1079 [2024-12-02 13:13:57,646 INFO L226 Difference]: Without dead ends: 557 [2024-12-02 13:13:57,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 392 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:13:57,647 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 147 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:13:57,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 492 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:13:57,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-12-02 13:13:57,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 525. [2024-12-02 13:13:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 408 states have (on average 1.1127450980392157) internal successors, (454), 414 states have internal predecessors, (454), 84 states have call successors, (84), 32 states have call predecessors, (84), 32 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2024-12-02 13:13:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 622 transitions. [2024-12-02 13:13:57,784 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 622 transitions. Word has length 202 [2024-12-02 13:13:57,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:13:57,784 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 622 transitions. [2024-12-02 13:13:57,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 12.333333333333334) internal successors, (111), 11 states have internal predecessors, (111), 4 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (47), 2 states have call predecessors, (47), 4 states have call successors, (47) [2024-12-02 13:13:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 622 transitions. [2024-12-02 13:13:57,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 13:13:57,786 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:13:57,786 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:57,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 13:13:57,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:57,986 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:13:57,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:13:57,986 INFO L85 PathProgramCache]: Analyzing trace with hash -247245715, now seen corresponding path program 1 times [2024-12-02 13:13:57,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:13:57,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897298408] [2024-12-02 13:13:57,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:13:57,987 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 13:13:57,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:13:57,988 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:57,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:13:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:13:58,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 13:13:58,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:13:58,598 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 8 treesize of output 1 [2024-12-02 13:13:59,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 121 treesize of output 61 [2024-12-02 13:14:00,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:14:00,594 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 203 treesize of output 77 [2024-12-02 13:14:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-12-02 13:14:00,684 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:14:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:14:01,319 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:14:01,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897298408] [2024-12-02 13:14:01,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897298408] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 13:14:01,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:14:01,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 14 [2024-12-02 13:14:01,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463305041] [2024-12-02 13:14:01,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:01,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:14:01,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:14:01,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:14:01,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:14:01,320 INFO L87 Difference]: Start difference. First operand 525 states and 622 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:14:01,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:01,869 INFO L93 Difference]: Finished difference Result 1047 states and 1241 transitions. [2024-12-02 13:14:01,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:14:01,870 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 204 [2024-12-02 13:14:01,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:01,872 INFO L225 Difference]: With dead ends: 1047 [2024-12-02 13:14:01,872 INFO L226 Difference]: Without dead ends: 525 [2024-12-02 13:14:01,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 393 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:14:01,873 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 45 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:14:01,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 627 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:14:01,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-12-02 13:14:02,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2024-12-02 13:14:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 408 states have (on average 1.1029411764705883) internal successors, (450), 414 states have internal predecessors, (450), 84 states have call successors, (84), 32 states have call predecessors, (84), 32 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2024-12-02 13:14:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 618 transitions. [2024-12-02 13:14:02,006 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 618 transitions. Word has length 204 [2024-12-02 13:14:02,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:02,006 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 618 transitions. [2024-12-02 13:14:02,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:14:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 618 transitions. [2024-12-02 13:14:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 13:14:02,007 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:02,008 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:02,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:02,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:02,208 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:02,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:02,208 INFO L85 PathProgramCache]: Analyzing trace with hash -2024100119, now seen corresponding path program 1 times [2024-12-02 13:14:02,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:14:02,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518326154] [2024-12-02 13:14:02,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:02,209 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 13:14:02,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:14:02,210 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:02,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:02,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 13:14:02,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:14:03,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 13:14:03,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-12-02 13:14:03,700 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 13:14:03,700 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 120 treesize of output 50 [2024-12-02 13:14:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:14:03,740 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:14:03,740 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:14:03,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518326154] [2024-12-02 13:14:03,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518326154] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:03,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:03,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:14:03,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438666848] [2024-12-02 13:14:03,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:03,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 13:14:03,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:14:03,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:14:03,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:14:03,741 INFO L87 Difference]: Start difference. First operand 525 states and 618 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:14:04,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:04,791 INFO L93 Difference]: Finished difference Result 698 states and 842 transitions. [2024-12-02 13:14:04,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:14:04,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 204 [2024-12-02 13:14:04,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:04,795 INFO L225 Difference]: With dead ends: 698 [2024-12-02 13:14:04,795 INFO L226 Difference]: Without dead ends: 696 [2024-12-02 13:14:04,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:14:04,795 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 141 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:14:04,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 952 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 13:14:04,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-12-02 13:14:04,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 537. [2024-12-02 13:14:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 420 states have (on average 1.1) internal successors, (462), 426 states have internal predecessors, (462), 84 states have call successors, (84), 32 states have call predecessors, (84), 32 states have return successors, (84), 78 states have call predecessors, (84), 84 states have call successors, (84) [2024-12-02 13:14:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 630 transitions. [2024-12-02 13:14:04,947 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 630 transitions. Word has length 204 [2024-12-02 13:14:04,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:04,947 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 630 transitions. [2024-12-02 13:14:04,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:14:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 630 transitions. [2024-12-02 13:14:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 13:14:04,948 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:04,948 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:04,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:05,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:05,148 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:05,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:05,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2022253077, now seen corresponding path program 1 times [2024-12-02 13:14:05,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:14:05,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889160493] [2024-12-02 13:14:05,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:05,149 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 13:14:05,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:14:05,151 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:05,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:05,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 13:14:05,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:14:05,505 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 20 treesize of output 16 [2024-12-02 13:14:05,655 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 48 [2024-12-02 13:14:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:14:05,678 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:14:05,678 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:14:05,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889160493] [2024-12-02 13:14:05,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889160493] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:05,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:05,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:14:05,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279441624] [2024-12-02 13:14:05,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:05,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:14:05,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:14:05,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:14:05,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:14:05,680 INFO L87 Difference]: Start difference. First operand 537 states and 630 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:14:06,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:06,473 INFO L93 Difference]: Finished difference Result 1192 states and 1412 transitions. [2024-12-02 13:14:06,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:14:06,473 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 204 [2024-12-02 13:14:06,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:06,476 INFO L225 Difference]: With dead ends: 1192 [2024-12-02 13:14:06,476 INFO L226 Difference]: Without dead ends: 658 [2024-12-02 13:14:06,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 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 13:14:06,477 INFO L435 NwaCegarLoop]: 204 mSDtfsCounter, 89 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:14:06,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 680 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 13:14:06,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-12-02 13:14:06,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 656. [2024-12-02 13:14:06,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 491 states have (on average 1.0814663951120163) internal successors, (531), 499 states have internal predecessors, (531), 124 states have call successors, (124), 40 states have call predecessors, (124), 40 states have return successors, (124), 116 states have call predecessors, (124), 124 states have call successors, (124) [2024-12-02 13:14:06,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 779 transitions. [2024-12-02 13:14:06,664 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 779 transitions. Word has length 204 [2024-12-02 13:14:06,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:06,664 INFO L471 AbstractCegarLoop]: Abstraction has 656 states and 779 transitions. [2024-12-02 13:14:06,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:14:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 779 transitions. [2024-12-02 13:14:06,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 13:14:06,665 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:06,665 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:06,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:06,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:06,866 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:06,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:06,866 INFO L85 PathProgramCache]: Analyzing trace with hash 432812655, now seen corresponding path program 1 times [2024-12-02 13:14:06,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:14:06,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431345545] [2024-12-02 13:14:06,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:06,866 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 13:14:06,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:14:06,868 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:06,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:07,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:14:07,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:14:07,201 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 13:14:07,317 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 60 treesize of output 48 [2024-12-02 13:14:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:14:07,349 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:14:07,349 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:14:07,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [431345545] [2024-12-02 13:14:07,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [431345545] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:07,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:07,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:14:07,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135759951] [2024-12-02 13:14:07,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:07,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:14:07,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:14:07,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:14:07,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:14:07,351 INFO L87 Difference]: Start difference. First operand 656 states and 779 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:14:08,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:08,332 INFO L93 Difference]: Finished difference Result 1672 states and 1954 transitions. [2024-12-02 13:14:08,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:14:08,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 204 [2024-12-02 13:14:08,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:08,338 INFO L225 Difference]: With dead ends: 1672 [2024-12-02 13:14:08,338 INFO L226 Difference]: Without dead ends: 1130 [2024-12-02 13:14:08,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 199 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 13:14:08,339 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 83 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:14:08,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 895 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:14:08,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2024-12-02 13:14:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1128. [2024-12-02 13:14:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 855 states have (on average 1.0701754385964912) internal successors, (915), 871 states have internal predecessors, (915), 200 states have call successors, (200), 72 states have call predecessors, (200), 72 states have return successors, (200), 184 states have call predecessors, (200), 200 states have call successors, (200) [2024-12-02 13:14:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1315 transitions. [2024-12-02 13:14:08,702 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1315 transitions. Word has length 204 [2024-12-02 13:14:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:08,702 INFO L471 AbstractCegarLoop]: Abstraction has 1128 states and 1315 transitions. [2024-12-02 13:14:08,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:14:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1315 transitions. [2024-12-02 13:14:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 13:14:08,703 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:08,704 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:08,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:08,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:08,904 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:08,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:08,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1412554511, now seen corresponding path program 1 times [2024-12-02 13:14:08,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:14:08,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182403615] [2024-12-02 13:14:08,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:08,905 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 13:14:08,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:14:08,906 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:08,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:09,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 13:14:09,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:14:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-12-02 13:14:09,267 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:14:09,267 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:14:09,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182403615] [2024-12-02 13:14:09,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182403615] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:09,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:09,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:14:09,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205976519] [2024-12-02 13:14:09,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:09,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:14:09,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:14:09,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:14:09,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:14:09,268 INFO L87 Difference]: Start difference. First operand 1128 states and 1315 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:14:09,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:09,600 INFO L93 Difference]: Finished difference Result 1648 states and 1913 transitions. [2024-12-02 13:14:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:14:09,600 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 204 [2024-12-02 13:14:09,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:09,601 INFO L225 Difference]: With dead ends: 1648 [2024-12-02 13:14:09,601 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:14:09,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:14:09,603 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 48 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:14:09,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 598 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:14:09,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:14:09,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:14:09,603 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 13:14:09,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:14:09,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2024-12-02 13:14:09,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:09,604 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:14:09,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-12-02 13:14:09,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:14:09,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:14:09,606 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:14:09,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:09,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154f6e4a-45c5-4f2f-8761-194a1aac4393/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 13:14:09,808 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] [2024-12-02 13:14:09,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:14:32,339 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 293 DAG size of output: 335 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:14:38,998 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 265 DAG size of output: 341 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:14:52,318 WARN L286 SmtUtils]: Spent 12.89s on a formula simplification. DAG size of input: 270 DAG size of output: 349 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:15:14,221 WARN L286 SmtUtils]: Spent 12.79s on a formula simplification. DAG size of input: 270 DAG size of output: 349 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:15:20,760 WARN L286 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 265 DAG size of output: 341 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:15:35,256 WARN L286 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 270 DAG size of output: 317 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:15:53,984 WARN L286 SmtUtils]: Spent 18.05s on a formula simplification. DAG size of input: 251 DAG size of output: 330 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:16:23,207 WARN L286 SmtUtils]: Spent 23.04s on a formula simplification. DAG size of input: 269 DAG size of output: 348 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:16:41,328 WARN L286 SmtUtils]: Spent 18.12s on a formula simplification. DAG size of input: 251 DAG size of output: 330 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:16:49,555 WARN L286 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 269 DAG size of output: 345 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:16:58,950 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification. DAG size of input: 269 DAG size of output: 345 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:17:08,634 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 270 DAG size of output: 317 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:17:45,087 WARN L286 SmtUtils]: Spent 23.03s on a formula simplification. DAG size of input: 269 DAG size of output: 348 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-12-02 13:18:06,928 WARN L286 SmtUtils]: Spent 11.89s on a formula simplification. DAG size of input: 220 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:18:22,267 WARN L286 SmtUtils]: Spent 15.34s on a formula simplification. DAG size of input: 246 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:18:34,440 WARN L286 SmtUtils]: Spent 12.17s on a formula simplification. DAG size of input: 212 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:18:47,668 WARN L286 SmtUtils]: Spent 13.23s on a formula simplification. DAG size of input: 220 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:18:52,707 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 292 DAG size of output: 113 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:19:01,174 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification. DAG size of input: 199 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:19:07,138 WARN L286 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 276 DAG size of output: 149 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:19:19,952 WARN L286 SmtUtils]: Spent 12.81s on a formula simplification. DAG size of input: 220 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:21:09,392 WARN L286 SmtUtils]: Spent 1.82m on a formula simplification. DAG size of input: 1123 DAG size of output: 167 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:21:26,392 WARN L286 SmtUtils]: Spent 17.00s on a formula simplification. DAG size of input: 246 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:21:32,069 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 281 DAG size of output: 154 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:21:46,262 WARN L286 SmtUtils]: Spent 14.19s on a formula simplification. DAG size of input: 220 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:22:01,312 WARN L286 SmtUtils]: Spent 15.05s on a formula simplification. DAG size of input: 220 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:22:30,984 WARN L286 SmtUtils]: Spent 29.67s on a formula simplification. DAG size of input: 292 DAG size of output: 133 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:22:37,893 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification. DAG size of input: 335 DAG size of output: 160 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:24:50,429 WARN L286 SmtUtils]: Spent 2.21m on a formula simplification. DAG size of input: 1314 DAG size of output: 163 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:25:03,100 WARN L286 SmtUtils]: Spent 12.67s on a formula simplification. DAG size of input: 220 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:25:16,357 WARN L286 SmtUtils]: Spent 13.26s on a formula simplification. DAG size of input: 220 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:25:28,862 WARN L286 SmtUtils]: Spent 12.50s on a formula simplification. DAG size of input: 212 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:25:40,529 WARN L286 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 295 DAG size of output: 157 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 13:25:47,887 WARN L286 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 293 DAG size of output: 157 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)