./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.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_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB --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 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:38:58,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:38:59,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:38:59,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:38:59,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:38:59,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:38:59,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:38:59,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:38:59,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:38:59,122 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:38:59,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:38:59,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:38:59,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:38:59,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:38:59,125 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:38:59,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:38:59,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:38:59,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:38:59,126 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:38:59,126 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:38:59,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:38:59,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:38:59,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:38:59,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:38:59,127 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:38:59,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:38:59,127 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:38:59,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:38:59,128 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:38:59,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:59,128 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:59,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:59,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:59,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:38:59,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:38:59,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:38:59,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:38:59,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:38:59,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:38:59,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:38:59,130 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:38:59,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:38:59,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:38:59,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:38:59,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:38:59,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:38:59,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:38:59,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:38:59,131 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_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee [2024-11-28 02:38:59,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:38:59,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:38:59,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:38:59,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:38:59,470 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:38:59,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2024-11-28 02:39:02,797 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/data/23929b912/5bd0235370df4ea899c827df222915b6/FLAG18d6b9d70 [2024-11-28 02:39:03,094 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:39:03,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2024-11-28 02:39:03,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/data/23929b912/5bd0235370df4ea899c827df222915b6/FLAG18d6b9d70 [2024-11-28 02:39:03,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/data/23929b912/5bd0235370df4ea899c827df222915b6 [2024-11-28 02:39:03,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:39:03,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:39:03,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:03,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:39:03,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:39:03,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1062051d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03, skipping insertion in model container [2024-11-28 02:39:03,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:39:03,310 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_0bdab4f8-a9ca-4531-b0dd-2ea298233559/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2024-11-28 02:39:03,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:39:03,423 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:39:03,442 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_0bdab4f8-a9ca-4531-b0dd-2ea298233559/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2024-11-28 02:39:03,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:39:03,543 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:39:03,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03 WrapperNode [2024-11-28 02:39:03,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:03,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:39:03,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:39:03,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:39:03,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,625 INFO L138 Inliner]: procedures = 29, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 583 [2024-11-28 02:39:03,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:39:03,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:39:03,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:39:03,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:39:03,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,643 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,699 INFO L175 MemorySlicer]: Split 133 memory accesses to 13 slices as follows [2, 9, 8, 6, 8, 11, 6, 19, 10, 16, 16, 14, 8]. 14 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1]. [2024-11-28 02:39:03,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,737 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:39:03,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:39:03,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:39:03,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:39:03,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (1/1) ... [2024-11-28 02:39:03,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:03,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:03,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:39:03,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:39:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:39:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 02:39:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 02:39:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 02:39:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 02:39:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-28 02:39:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-28 02:39:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-28 02:39:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-28 02:39:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-28 02:39:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-28 02:39:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-28 02:39:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-28 02:39:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-28 02:39:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:39:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:39:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:39:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:39:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:39:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:39:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:39:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:39:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:39:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:39:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-28 02:39:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:39:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-28 02:39:03,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-28 02:39:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-28 02:39:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-28 02:39:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-28 02:39:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:39:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:39:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:39:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:39:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:39:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:39:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:39:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:39:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:39:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:39:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:39:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:39:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:39:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:39:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:39:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:39:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:39:04,179 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:39:04,181 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:39:04,979 INFO L? ?]: Removed 140 outVars from TransFormulas that were not future-live. [2024-11-28 02:39:04,979 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:39:04,992 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:39:04,992 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:39:04,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:04 BoogieIcfgContainer [2024-11-28 02:39:04,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:39:04,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:39:04,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:39:05,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:39:05,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:39:03" (1/3) ... [2024-11-28 02:39:05,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7165164b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:05, skipping insertion in model container [2024-11-28 02:39:05,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:03" (2/3) ... [2024-11-28 02:39:05,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7165164b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:05, skipping insertion in model container [2024-11-28 02:39:05,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:04" (3/3) ... [2024-11-28 02:39:05,004 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-36.i [2024-11-28 02:39:05,021 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:39:05,022 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-36.i that has 2 procedures, 123 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:39:05,096 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:39:05,110 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;@3511f9a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:39:05,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:39:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 109 states have (on average 1.4862385321100917) internal successors, (162), 110 states have internal predecessors, (162), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:05,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 02:39:05,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:05,131 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:05,131 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:05,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:05,138 INFO L85 PathProgramCache]: Analyzing trace with hash 7050242, now seen corresponding path program 1 times [2024-11-28 02:39:05,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:05,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781667025] [2024-11-28 02:39:05,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:05,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-28 02:39:05,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:05,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781667025] [2024-11-28 02:39:05,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781667025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:05,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901589704] [2024-11-28 02:39:05,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:05,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:39:05,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:05,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:39:05,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:39:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:06,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:39:06,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-28 02:39:06,106 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:06,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901589704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:06,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:39:06,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:39:06,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047165283] [2024-11-28 02:39:06,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:06,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:39:06,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:06,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:39:06,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:39:06,143 INFO L87 Difference]: Start difference. First operand has 123 states, 109 states have (on average 1.4862385321100917) internal successors, (162), 110 states have internal predecessors, (162), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:39:06,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:06,186 INFO L93 Difference]: Finished difference Result 239 states and 373 transitions. [2024-11-28 02:39:06,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:39:06,188 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-11-28 02:39:06,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:06,197 INFO L225 Difference]: With dead ends: 239 [2024-11-28 02:39:06,197 INFO L226 Difference]: Without dead ends: 119 [2024-11-28 02:39:06,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:39:06,210 INFO L435 NwaCegarLoop]: 177 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, 177 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 [2024-11-28 02:39:06,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:39:06,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-28 02:39:06,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-28 02:39:06,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 106 states have internal predecessors, (155), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 177 transitions. [2024-11-28 02:39:06,273 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 177 transitions. Word has length 109 [2024-11-28 02:39:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:06,273 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 177 transitions. [2024-11-28 02:39:06,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:39:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2024-11-28 02:39:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 02:39:06,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:06,283 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:06,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:39:06,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:39:06,484 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:06,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:06,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1337140728, now seen corresponding path program 1 times [2024-11-28 02:39:06,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:06,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716001503] [2024-11-28 02:39:06,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:06,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:06,876 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:06,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:06,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716001503] [2024-11-28 02:39:06,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716001503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:06,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:06,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:06,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782375363] [2024-11-28 02:39:06,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:06,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:06,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:06,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:06,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:06,883 INFO L87 Difference]: Start difference. First operand 119 states and 177 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:39:06,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:06,936 INFO L93 Difference]: Finished difference Result 237 states and 354 transitions. [2024-11-28 02:39:06,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:06,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2024-11-28 02:39:06,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:06,938 INFO L225 Difference]: With dead ends: 237 [2024-11-28 02:39:06,938 INFO L226 Difference]: Without dead ends: 121 [2024-11-28 02:39:06,939 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 [2024-11-28 02:39:06,940 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:06,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:39:06,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-28 02:39:06,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-28 02:39:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 108 states have (on average 1.4537037037037037) internal successors, (157), 108 states have internal predecessors, (157), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 179 transitions. [2024-11-28 02:39:06,954 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 179 transitions. Word has length 109 [2024-11-28 02:39:06,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:06,957 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 179 transitions. [2024-11-28 02:39:06,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:39:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 179 transitions. [2024-11-28 02:39:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 02:39:06,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:06,960 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:06,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:39:06,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:06,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:06,963 INFO L85 PathProgramCache]: Analyzing trace with hash -2016412982, now seen corresponding path program 1 times [2024-11-28 02:39:06,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:06,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063512871] [2024-11-28 02:39:06,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:06,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:07,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:07,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063512871] [2024-11-28 02:39:07,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063512871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:07,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:07,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:07,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621488203] [2024-11-28 02:39:07,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:07,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:07,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:07,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:07,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:07,640 INFO L87 Difference]: Start difference. First operand 121 states and 179 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:07,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:07,914 INFO L93 Difference]: Finished difference Result 358 states and 532 transitions. [2024-11-28 02:39:07,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:07,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2024-11-28 02:39:07,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:07,917 INFO L225 Difference]: With dead ends: 358 [2024-11-28 02:39:07,921 INFO L226 Difference]: Without dead ends: 240 [2024-11-28 02:39:07,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:07,923 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 191 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:07,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 485 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:39:07,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-28 02:39:07,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 212. [2024-11-28 02:39:07,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 187 states have (on average 1.4491978609625669) internal successors, (271), 187 states have internal predecessors, (271), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:39:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 315 transitions. [2024-11-28 02:39:07,980 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 315 transitions. Word has length 109 [2024-11-28 02:39:07,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:07,982 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 315 transitions. [2024-11-28 02:39:07,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 315 transitions. [2024-11-28 02:39:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:39:07,985 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:07,985 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:07,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:39:07,986 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:07,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:07,986 INFO L85 PathProgramCache]: Analyzing trace with hash -31365051, now seen corresponding path program 1 times [2024-11-28 02:39:07,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:07,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260089715] [2024-11-28 02:39:07,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:07,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:08,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:08,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260089715] [2024-11-28 02:39:08,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260089715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:08,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:08,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:08,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740354923] [2024-11-28 02:39:08,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:08,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:08,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:08,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:08,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:08,522 INFO L87 Difference]: Start difference. First operand 212 states and 315 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:08,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:08,635 INFO L93 Difference]: Finished difference Result 492 states and 737 transitions. [2024-11-28 02:39:08,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:08,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-28 02:39:08,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:08,641 INFO L225 Difference]: With dead ends: 492 [2024-11-28 02:39:08,641 INFO L226 Difference]: Without dead ends: 362 [2024-11-28 02:39:08,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:08,645 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 126 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:08,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 491 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:08,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-28 02:39:08,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2024-11-28 02:39:08,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 321 states have (on average 1.4672897196261683) internal successors, (471), 321 states have internal predecessors, (471), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-28 02:39:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 537 transitions. [2024-11-28 02:39:08,706 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 537 transitions. Word has length 110 [2024-11-28 02:39:08,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:08,707 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 537 transitions. [2024-11-28 02:39:08,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:08,707 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 537 transitions. [2024-11-28 02:39:08,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:39:08,712 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:08,713 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:08,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:39:08,713 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:08,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:08,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1311228729, now seen corresponding path program 1 times [2024-11-28 02:39:08,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:08,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892539334] [2024-11-28 02:39:08,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:08,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:09,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:09,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892539334] [2024-11-28 02:39:09,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892539334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:09,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:09,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:09,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802765349] [2024-11-28 02:39:09,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:09,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:09,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:09,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:09,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:09,180 INFO L87 Difference]: Start difference. First operand 358 states and 537 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:09,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:09,322 INFO L93 Difference]: Finished difference Result 600 states and 898 transitions. [2024-11-28 02:39:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:09,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-28 02:39:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:09,330 INFO L225 Difference]: With dead ends: 600 [2024-11-28 02:39:09,330 INFO L226 Difference]: Without dead ends: 364 [2024-11-28 02:39:09,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:09,333 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 123 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:09,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 491 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-28 02:39:09,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-11-28 02:39:09,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 323 states have (on average 1.4643962848297214) internal successors, (473), 323 states have internal predecessors, (473), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-28 02:39:09,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 539 transitions. [2024-11-28 02:39:09,381 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 539 transitions. Word has length 110 [2024-11-28 02:39:09,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:09,382 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 539 transitions. [2024-11-28 02:39:09,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 539 transitions. [2024-11-28 02:39:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:39:09,384 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:09,384 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:09,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:39:09,384 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:09,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:09,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1053063291, now seen corresponding path program 1 times [2024-11-28 02:39:09,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:09,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303549673] [2024-11-28 02:39:09,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:09,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:10,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:39:10,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303549673] [2024-11-28 02:39:10,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303549673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:10,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:10,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:39:10,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646483900] [2024-11-28 02:39:10,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:10,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:10,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:39:10,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:10,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:10,347 INFO L87 Difference]: Start difference. First operand 360 states and 539 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:10,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:10,582 INFO L93 Difference]: Finished difference Result 832 states and 1241 transitions. [2024-11-28 02:39:10,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:39:10,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-28 02:39:10,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:10,589 INFO L225 Difference]: With dead ends: 832 [2024-11-28 02:39:10,592 INFO L226 Difference]: Without dead ends: 598 [2024-11-28 02:39:10,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:39:10,594 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 150 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:10,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 734 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:10,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-28 02:39:10,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 380. [2024-11-28 02:39:10,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 343 states have (on average 1.4606413994169096) internal successors, (501), 343 states have internal predecessors, (501), 33 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-28 02:39:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 567 transitions. [2024-11-28 02:39:10,646 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 567 transitions. Word has length 110 [2024-11-28 02:39:10,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:10,647 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 567 transitions. [2024-11-28 02:39:10,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 567 transitions. [2024-11-28 02:39:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 02:39:10,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:10,651 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:10,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:39:10,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:10,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:10,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1887774705, now seen corresponding path program 1 times [2024-11-28 02:39:10,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:39:10,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879483783] [2024-11-28 02:39:10,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:39:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:39:10,759 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:39:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:39:11,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:39:11,014 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:39:11,015 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:39:11,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:39:11,025 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:11,312 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:39:11,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:39:11 BoogieIcfgContainer [2024-11-28 02:39:11,320 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:39:11,321 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:39:11,321 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:39:11,321 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:39:11,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:04" (3/4) ... [2024-11-28 02:39:11,324 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:39:11,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:39:11,326 INFO L158 Benchmark]: Toolchain (without parser) took 8196.95ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 92.9MB in the beginning and 93.6MB in the end (delta: -711.5kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-28 02:39:11,326 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:39:11,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.95ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 78.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:39:11,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.27ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:39:11,327 INFO L158 Benchmark]: Boogie Preprocessor took 156.59ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 70.1MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:39:11,328 INFO L158 Benchmark]: RCFGBuilder took 1209.97ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 81.1MB in the end (delta: -11.0MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-28 02:39:11,328 INFO L158 Benchmark]: TraceAbstraction took 6324.80ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 80.6MB in the beginning and 93.6MB in the end (delta: -13.1MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2024-11-28 02:39:11,328 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 151.0MB. Free memory was 93.6MB in the beginning and 93.6MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:39:11,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.95ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 78.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.27ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 156.59ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 70.1MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1209.97ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 81.1MB in the end (delta: -11.0MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6324.80ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 80.6MB in the beginning and 93.6MB in the end (delta: -13.1MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 151.0MB. Free memory was 93.6MB in the beginning and 93.6MB in the end (delta: 17.6kB). 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 shiftRight at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L22] unsigned long int var_1_1 = 1; [L23] unsigned long int* var_1_1_Pointer = &(var_1_1); [L24] float var_1_3 = 9999999999.875; [L24] float var_1_3 = 9999999999.875; [L25] float* var_1_3_Pointer = &(var_1_3); [L26] unsigned char var_1_4 = 0; [L26] unsigned char var_1_4 = 0; [L27] unsigned char* var_1_4_Pointer = &(var_1_4); [L28] float var_1_5 = 4.25; [L28] float var_1_5 = 4.25; [L29] float* var_1_5_Pointer = &(var_1_5); [L30] unsigned char var_1_7 = 1; [L30] unsigned char var_1_7 = 1; [L31] unsigned char* var_1_7_Pointer = &(var_1_7); [L32] unsigned char var_1_9 = 1; [L32] unsigned char var_1_9 = 1; [L33] unsigned char* var_1_9_Pointer = &(var_1_9); [L34] double var_1_10 = 64.2; [L34] double var_1_10 = 64.2; [L35] double* var_1_10_Pointer = &(var_1_10); [L36] double var_1_11 = 9.5; [L36] double var_1_11 = 9.5; [L37] double* var_1_11_Pointer = &(var_1_11); [L38] double var_1_12 = 199.5; [L38] double var_1_12 = 199.5; [L39] double* var_1_12_Pointer = &(var_1_12); [L40] double var_1_13 = 3.5; [L40] double var_1_13 = 3.5; [L41] double* var_1_13_Pointer = &(var_1_13); [L42] unsigned char var_1_14 = 1; [L42] unsigned char var_1_14 = 1; [L43] unsigned char* var_1_14_Pointer = &(var_1_14); [L44] unsigned char var_1_16 = 2; [L44] unsigned char var_1_16 = 2; [L45] unsigned char* var_1_16_Pointer = &(var_1_16); [L46] unsigned char last_1_var_1_14 = 1; VAL [isInitial=0, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L111] isInitial = 1 [L112] FCALL initially() [L114] CALL updateLastVariables() [L104] EXPR \read(var_1_14) [L104] last_1_var_1_14 = var_1_14 [L114] RET updateLastVariables() [L115] CALL updateVariables() [L83] var_1_3 = __VERIFIER_nondet_float() [L84] EXPR \read(var_1_3) [L84] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F [L84] EXPR \read(var_1_3) [L84] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] EXPR (var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] EXPR (var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L85] var_1_4 = __VERIFIER_nondet_uchar() [L86] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] var_1_5 = __VERIFIER_nondet_float() [L89] EXPR \read(var_1_5) [L89] EXPR var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F [L89] EXPR \read(var_1_5) [L89] EXPR var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR (var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR (var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L90] var_1_9 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] var_1_11 = __VERIFIER_nondet_double() [L94] EXPR \read(var_1_11) [L94] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F [L94] EXPR \read(var_1_11) [L94] EXPR var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR (var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] var_1_12 = __VERIFIER_nondet_double() [L96] EXPR \read(var_1_12) [L96] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F [L96] EXPR \read(var_1_12) [L96] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] var_1_13 = __VERIFIER_nondet_double() [L98] EXPR \read(var_1_13) [L98] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F [L98] EXPR \read(var_1_13) [L98] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR (var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR (var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L99] var_1_16 = __VERIFIER_nondet_uchar() [L100] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L115] RET updateVariables() [L116] CALL step() [L50] EXPR last_1_var_1_14 >> last_1_var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L50] COND FALSE !((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) [L53] EXPR \read(*var_1_13_Pointer) [L53] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L53] COND FALSE !((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) [L60] (*(var_1_14_Pointer)) = 0 VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L62] EXPR \read(*var_1_5_Pointer) [L62] EXPR \read(*var_1_3_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L62] COND TRUE (*(var_1_5_Pointer)) > (*(var_1_3_Pointer)) [L63] (*(var_1_10_Pointer)) = 4.6 VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L67] EXPR \read(*var_1_10_Pointer) [L67] EXPR \read(*var_1_10_Pointer) [L67] unsigned char stepLocal_0 = (*(var_1_10_Pointer)) > (*(var_1_10_Pointer)); [L68] stepLocal_0 && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L68] stepLocal_0 && (*(var_1_7_Pointer)) [L68] EXPR \read(*var_1_7_Pointer) [L68] stepLocal_0 && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L68] COND TRUE stepLocal_0 && (*(var_1_7_Pointer)) [L69] EXPR \read(*var_1_10_Pointer) [L69] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L69] EXPR (((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))) [L69] EXPR \read(*var_1_10_Pointer) [L69] EXPR (((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L69] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L69] COND TRUE (((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer)) [L70] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L70] COND TRUE (*(var_1_7_Pointer)) [L71] (*(var_1_1_Pointer)) = 10u VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR \read(*var_1_10_Pointer) [L107] EXPR \read(*var_1_10_Pointer) [L107] EXPR ((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer)) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR (((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer)))) [L107] EXPR \read(*var_1_1_Pointer) [L107] EXPR \read(*var_1_14_Pointer) [L107] EXPR (((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer)))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR (((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))))))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR (((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))))))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer)))))))))))) && (((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) ? (((*(var_1_7_Pointer)) && (*(var_1_7_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) : ((*(var_1_14_Pointer)) == ((unsigned char) 0))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] EXPR ((((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer)))))))))))) && (((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) ? (((*(var_1_7_Pointer)) && (*(var_1_7_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) : ((*(var_1_14_Pointer)) == ((unsigned char) 0))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107-L108] return ((((((*(var_1_10_Pointer)) > (*(var_1_10_Pointer))) && (*(var_1_7_Pointer))) ? (((((((*(var_1_10_Pointer))) > ((- (*(var_1_10_Pointer))))) ? ((*(var_1_10_Pointer))) : ((- (*(var_1_10_Pointer)))))) != (*(var_1_10_Pointer))) ? ((*(var_1_7_Pointer)) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 10u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) : ((*(var_1_1_Pointer)) == ((unsigned long int) (*(var_1_14_Pointer))))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? ((*(var_1_7_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) || (*(var_1_9_Pointer))))) : 1)) && (((*(var_1_5_Pointer)) > (*(var_1_3_Pointer))) ? ((*(var_1_10_Pointer)) == ((double) 4.6)) : ((*(var_1_10_Pointer)) == ((double) (((((*(var_1_11_Pointer))) > ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) ? ((*(var_1_11_Pointer))) : ((((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer)))))))))))) && (((*(var_1_13_Pointer)) == (- (*(var_1_12_Pointer)))) ? (((*(var_1_7_Pointer)) && (*(var_1_7_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) : ((*(var_1_14_Pointer)) == ((unsigned char) 0))) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_3={5:0}, var_1_3_Pointer={5:0}, var_1_4={6:0}, var_1_4_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 7, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 590 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 590 mSDsluCounter, 2892 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1846 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 1046 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred in iteration=6, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 254 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 880 NumberOfCodeBlocks, 880 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 759 ConstructedInterpolants, 0 QuantifiedInterpolants, 1528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 489 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 1520/1540 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 [2024-11-28 02:39:11,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/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_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB --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 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:39:14,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:39:14,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:39:14,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:39:14,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:39:14,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:39:14,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:39:14,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:39:14,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:39:14,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:39:14,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:39:14,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:39:14,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:39:14,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:39:14,706 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:39:14,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:39:14,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:39:14,706 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:39:14,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:39:14,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:39:14,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:39:14,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:39:14,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:39:14,707 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:39:14,707 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:39:14,707 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:39:14,707 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:39:14,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:39:14,707 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:39:14,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:39:14,708 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:39:14,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:39:14,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:39:14,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:39:14,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:14,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:39:14,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:39:14,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:39:14,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:39:14,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:14,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:39:14,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:39:14,709 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:39:14,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:39:14,709 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:39:14,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:39:14,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:39:14,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:39:14,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:39:14,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:39:14,715 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_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 78f51271513a16e7eca7d465f5387c94d8fad5b43cbf0af1b75f69199640eaee [2024-11-28 02:39:15,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:39:15,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:39:15,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:39:15,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:39:15,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:39:15,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2024-11-28 02:39:18,842 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/data/711414969/0a9e77c124de4ff0a905598fa70a4a0b/FLAGe00c61b86 [2024-11-28 02:39:19,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:39:19,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i [2024-11-28 02:39:19,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/data/711414969/0a9e77c124de4ff0a905598fa70a4a0b/FLAGe00c61b86 [2024-11-28 02:39:19,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/data/711414969/0a9e77c124de4ff0a905598fa70a4a0b [2024-11-28 02:39:19,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:39:19,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:39:19,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:19,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:39:19,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:39:19,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:19,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2f7059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19, skipping insertion in model container [2024-11-28 02:39:19,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:19,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:39:19,578 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_0bdab4f8-a9ca-4531-b0dd-2ea298233559/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2024-11-28 02:39:19,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:39:19,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:39:19,752 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_0bdab4f8-a9ca-4531-b0dd-2ea298233559/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-36.i[916,929] [2024-11-28 02:39:19,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:39:19,842 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:39:19,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19 WrapperNode [2024-11-28 02:39:19,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:39:19,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:39:19,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:39:19,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:39:19,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:19,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:19,944 INFO L138 Inliner]: procedures = 36, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 569 [2024-11-28 02:39:19,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:39:19,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:39:19,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:39:19,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:39:19,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:19,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:19,966 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:20,002 INFO L175 MemorySlicer]: Split 133 memory accesses to 13 slices as follows [2, 9, 8, 6, 8, 11, 6, 19, 10, 16, 16, 14, 8]. 14 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 4, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1]. [2024-11-28 02:39:20,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:20,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:20,040 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:20,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:20,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:20,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:20,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:20,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:39:20,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:39:20,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:39:20,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:39:20,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (1/1) ... [2024-11-28 02:39:20,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:39:20,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:39:20,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:39:20,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:39:20,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:39:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-28 02:39:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-28 02:39:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-28 02:39:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-28 02:39:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-28 02:39:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-28 02:39:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-28 02:39:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-28 02:39:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-28 02:39:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 02:39:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 02:39:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-28 02:39:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-28 02:39:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-28 02:39:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-28 02:39:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-28 02:39:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-28 02:39:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-28 02:39:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-28 02:39:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-28 02:39:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 02:39:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 02:39:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-28 02:39:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-28 02:39:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-28 02:39:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:39:20,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 02:39:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 02:39:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 02:39:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:39:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:39:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-28 02:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 02:39:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-28 02:39:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-28 02:39:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-28 02:39:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-28 02:39:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-28 02:39:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-28 02:39:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-28 02:39:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-28 02:39:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-28 02:39:20,641 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:39:20,644 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:39:22,221 INFO L? ?]: Removed 149 outVars from TransFormulas that were not future-live. [2024-11-28 02:39:22,221 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:39:22,242 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:39:22,243 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:39:22,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:22 BoogieIcfgContainer [2024-11-28 02:39:22,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:39:22,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:39:22,249 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:39:22,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:39:22,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:39:19" (1/3) ... [2024-11-28 02:39:22,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34627a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:22, skipping insertion in model container [2024-11-28 02:39:22,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:19" (2/3) ... [2024-11-28 02:39:22,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34627a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:22, skipping insertion in model container [2024-11-28 02:39:22,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:22" (3/3) ... [2024-11-28 02:39:22,262 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-36.i [2024-11-28 02:39:22,284 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:39:22,286 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-36.i that has 2 procedures, 119 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:39:22,382 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:39:22,403 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;@2c172fb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:39:22,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:39:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 105 states have (on average 1.4857142857142858) internal successors, (156), 106 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:39:22,431 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:22,433 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:22,433 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:22,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:22,445 INFO L85 PathProgramCache]: Analyzing trace with hash 91120692, now seen corresponding path program 1 times [2024-11-28 02:39:22,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:22,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593871047] [2024-11-28 02:39:22,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:22,465 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 [2024-11-28 02:39:22,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:22,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:22,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:23,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:39:23,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-28 02:39:23,407 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:23,408 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:23,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593871047] [2024-11-28 02:39:23,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593871047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:23,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:23,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:39:23,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457386448] [2024-11-28 02:39:23,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:23,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:39:23,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:23,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:39:23,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:39:23,455 INFO L87 Difference]: Start difference. First operand has 119 states, 105 states have (on average 1.4857142857142858) internal successors, (156), 106 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:39:23,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:23,518 INFO L93 Difference]: Finished difference Result 227 states and 355 transitions. [2024-11-28 02:39:23,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:39:23,521 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-11-28 02:39:23,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:23,535 INFO L225 Difference]: With dead ends: 227 [2024-11-28 02:39:23,536 INFO L226 Difference]: Without dead ends: 111 [2024-11-28 02:39:23,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:39:23,547 INFO L435 NwaCegarLoop]: 163 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, 163 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 [2024-11-28 02:39:23,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:39:23,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-28 02:39:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-28 02:39:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2024-11-28 02:39:23,624 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 108 [2024-11-28 02:39:23,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:23,625 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2024-11-28 02:39:23,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:39:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2024-11-28 02:39:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:39:23,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:23,634 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:23,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:23,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:23,839 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:23,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:23,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1156138350, now seen corresponding path program 1 times [2024-11-28 02:39:23,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:23,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408282650] [2024-11-28 02:39:23,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:23,845 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 [2024-11-28 02:39:23,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:23,848 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:23,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:24,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:39:24,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 02:39:24,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:24,631 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:24,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408282650] [2024-11-28 02:39:24,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408282650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:24,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:24,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:24,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448376189] [2024-11-28 02:39:24,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:24,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:24,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:24,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:24,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:24,641 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:39:24,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:24,798 INFO L93 Difference]: Finished difference Result 221 states and 326 transitions. [2024-11-28 02:39:24,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:24,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-11-28 02:39:24,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:24,805 INFO L225 Difference]: With dead ends: 221 [2024-11-28 02:39:24,808 INFO L226 Difference]: Without dead ends: 113 [2024-11-28 02:39:24,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:24,811 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:24,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:24,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-28 02:39:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-28 02:39:24,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 100 states have (on average 1.43) internal successors, (143), 100 states have internal predecessors, (143), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:24,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2024-11-28 02:39:24,842 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 108 [2024-11-28 02:39:24,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:24,848 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2024-11-28 02:39:24,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:39:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2024-11-28 02:39:24,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:39:24,854 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:24,854 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:24,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:25,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:25,055 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:25,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:25,056 INFO L85 PathProgramCache]: Analyzing trace with hash -805436308, now seen corresponding path program 1 times [2024-11-28 02:39:25,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:25,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604967328] [2024-11-28 02:39:25,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:25,058 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 [2024-11-28 02:39:25,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:25,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:25,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:25,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:39:25,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:25,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:39:25,847 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 184 treesize of output 64 [2024-11-28 02:39:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:25,880 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:25,880 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:25,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604967328] [2024-11-28 02:39:25,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604967328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:25,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:25,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:39:25,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222724918] [2024-11-28 02:39:25,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:25,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:39:25,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:25,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:39:25,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:39:25,884 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:25,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:25,924 INFO L93 Difference]: Finished difference Result 219 states and 320 transitions. [2024-11-28 02:39:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:39:25,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-28 02:39:25,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:25,935 INFO L225 Difference]: With dead ends: 219 [2024-11-28 02:39:25,935 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 02:39:25,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:39:25,937 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:25,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 301 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:39:25,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 02:39:25,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-28 02:39:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 96 states have internal predecessors, (134), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-28 02:39:25,967 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 108 [2024-11-28 02:39:25,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:25,968 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-28 02:39:25,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-28 02:39:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:39:25,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:25,975 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:25,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:26,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:26,176 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:26,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:26,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2085299986, now seen corresponding path program 1 times [2024-11-28 02:39:26,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:26,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836168072] [2024-11-28 02:39:26,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:26,178 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 [2024-11-28 02:39:26,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:26,182 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:26,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:26,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:39:26,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:27,368 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 32 treesize of output 20 [2024-11-28 02:39:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:27,386 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:27,386 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:27,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836168072] [2024-11-28 02:39:27,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [836168072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:27,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:27,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:39:27,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481855858] [2024-11-28 02:39:27,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:27,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:27,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:27,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:27,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:27,389 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:27,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:27,475 INFO L93 Difference]: Finished difference Result 216 states and 311 transitions. [2024-11-28 02:39:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:27,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-28 02:39:27,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:27,480 INFO L225 Difference]: With dead ends: 216 [2024-11-28 02:39:27,480 INFO L226 Difference]: Without dead ends: 110 [2024-11-28 02:39:27,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:27,482 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 89 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:27,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 289 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:39:27,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-28 02:39:27,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-28 02:39:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 157 transitions. [2024-11-28 02:39:27,494 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 157 transitions. Word has length 108 [2024-11-28 02:39:27,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:27,495 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 157 transitions. [2024-11-28 02:39:27,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 157 transitions. [2024-11-28 02:39:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:39:27,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:27,498 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:27,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:27,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:27,699 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:27,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:27,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1827134548, now seen corresponding path program 1 times [2024-11-28 02:39:27,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:27,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70574341] [2024-11-28 02:39:27,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:27,701 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 [2024-11-28 02:39:27,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:27,705 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:27,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:28,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:39:28,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:28,251 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 [2024-11-28 02:39:28,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 02:39:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:28,384 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:28,384 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:28,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70574341] [2024-11-28 02:39:28,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70574341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:28,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:28,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:39:28,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906076617] [2024-11-28 02:39:28,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:28,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:39:28,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:28,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:39:28,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:39:28,387 INFO L87 Difference]: Start difference. First operand 110 states and 157 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:28,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:28,751 INFO L93 Difference]: Finished difference Result 336 states and 482 transitions. [2024-11-28 02:39:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:39:28,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2024-11-28 02:39:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:28,757 INFO L225 Difference]: With dead ends: 336 [2024-11-28 02:39:28,757 INFO L226 Difference]: Without dead ends: 229 [2024-11-28 02:39:28,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:28,759 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 268 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:28,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 867 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:39:28,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-28 02:39:28,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 125. [2024-11-28 02:39:28,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 112 states have (on average 1.3928571428571428) internal successors, (156), 112 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 178 transitions. [2024-11-28 02:39:28,796 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 178 transitions. Word has length 108 [2024-11-28 02:39:28,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:28,797 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 178 transitions. [2024-11-28 02:39:28,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:28,797 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2024-11-28 02:39:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:39:28,805 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:28,806 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:28,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:29,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:29,007 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:29,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:29,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1115889186, now seen corresponding path program 1 times [2024-11-28 02:39:29,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:29,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114282655] [2024-11-28 02:39:29,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:29,008 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 [2024-11-28 02:39:29,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:29,010 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:29,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:29,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:39:29,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:29,601 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:29,601 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:29,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114282655] [2024-11-28 02:39:29,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114282655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:29,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:29,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:39:29,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684324389] [2024-11-28 02:39:29,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:29,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:29,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:29,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:29,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:29,606 INFO L87 Difference]: Start difference. First operand 125 states and 178 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:29,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:29,672 INFO L93 Difference]: Finished difference Result 249 states and 356 transitions. [2024-11-28 02:39:29,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:39:29,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-28 02:39:29,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:29,677 INFO L225 Difference]: With dead ends: 249 [2024-11-28 02:39:29,677 INFO L226 Difference]: Without dead ends: 127 [2024-11-28 02:39:29,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:29,681 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:29,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 588 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:39:29,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-28 02:39:29,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-28 02:39:29,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 114 states have (on average 1.3859649122807018) internal successors, (158), 114 states have internal predecessors, (158), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:29,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 180 transitions. [2024-11-28 02:39:29,713 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 180 transitions. Word has length 110 [2024-11-28 02:39:29,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:29,713 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 180 transitions. [2024-11-28 02:39:29,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 180 transitions. [2024-11-28 02:39:29,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 02:39:29,715 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:29,718 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:29,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:29,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:29,919 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:29,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:29,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1936376764, now seen corresponding path program 1 times [2024-11-28 02:39:29,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:29,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269822262] [2024-11-28 02:39:29,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:29,920 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 [2024-11-28 02:39:29,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:29,925 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:29,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:30,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:39:30,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:30,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 02:39:30,541 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:30,542 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:30,542 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:30,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269822262] [2024-11-28 02:39:30,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269822262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:30,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:30,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:39:30,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307422986] [2024-11-28 02:39:30,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:30,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:30,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:30,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:30,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:30,544 INFO L87 Difference]: Start difference. First operand 127 states and 180 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:31,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:31,381 INFO L93 Difference]: Finished difference Result 253 states and 360 transitions. [2024-11-28 02:39:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:39:31,382 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2024-11-28 02:39:31,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:31,384 INFO L225 Difference]: With dead ends: 253 [2024-11-28 02:39:31,384 INFO L226 Difference]: Without dead ends: 129 [2024-11-28 02:39:31,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:39:31,385 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 136 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:31,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 426 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:39:31,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-28 02:39:31,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 114. [2024-11-28 02:39:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 101 states have (on average 1.3762376237623761) internal successors, (139), 101 states have internal predecessors, (139), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 161 transitions. [2024-11-28 02:39:31,399 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 161 transitions. Word has length 110 [2024-11-28 02:39:31,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:31,400 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 161 transitions. [2024-11-28 02:39:31,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 161 transitions. [2024-11-28 02:39:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 02:39:31,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:31,402 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:31,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:31,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:31,603 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:31,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:31,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1613948509, now seen corresponding path program 1 times [2024-11-28 02:39:31,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:31,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468467097] [2024-11-28 02:39:31,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:31,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:31,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:31,606 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:31,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:32,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:39:32,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:32,275 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 [2024-11-28 02:39:32,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 02:39:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:32,449 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:32,449 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:32,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468467097] [2024-11-28 02:39:32,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468467097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:32,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:32,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:39:32,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091466714] [2024-11-28 02:39:32,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:32,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:39:32,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:32,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:39:32,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:39:32,451 INFO L87 Difference]: Start difference. First operand 114 states and 161 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:32,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:32,811 INFO L93 Difference]: Finished difference Result 349 states and 495 transitions. [2024-11-28 02:39:32,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:39:32,812 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-11-28 02:39:32,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:32,815 INFO L225 Difference]: With dead ends: 349 [2024-11-28 02:39:32,815 INFO L226 Difference]: Without dead ends: 238 [2024-11-28 02:39:32,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:32,817 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 154 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:32,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1226 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:39:32,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-28 02:39:32,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 132. [2024-11-28 02:39:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 119 states have (on average 1.3865546218487395) internal successors, (165), 119 states have internal predecessors, (165), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 187 transitions. [2024-11-28 02:39:32,833 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 187 transitions. Word has length 112 [2024-11-28 02:39:32,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:32,833 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 187 transitions. [2024-11-28 02:39:32,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 187 transitions. [2024-11-28 02:39:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 02:39:32,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:32,836 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:32,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:33,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:33,037 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:33,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:33,037 INFO L85 PathProgramCache]: Analyzing trace with hash -49787367, now seen corresponding path program 1 times [2024-11-28 02:39:33,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:33,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909177107] [2024-11-28 02:39:33,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:33,038 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 [2024-11-28 02:39:33,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:33,042 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:33,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:33,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:39:33,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:34,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:39:34,041 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 [2024-11-28 02:39:34,522 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:39:34,522 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 123 treesize of output 53 [2024-11-28 02:39:34,579 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:34,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:34,580 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:34,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909177107] [2024-11-28 02:39:34,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909177107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:34,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:34,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:39:34,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865192552] [2024-11-28 02:39:34,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:34,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:39:34,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:34,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:39:34,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:39:34,584 INFO L87 Difference]: Start difference. First operand 132 states and 187 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:35,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:35,973 INFO L93 Difference]: Finished difference Result 393 states and 559 transitions. [2024-11-28 02:39:35,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:39:35,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-11-28 02:39:35,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:35,976 INFO L225 Difference]: With dead ends: 393 [2024-11-28 02:39:35,976 INFO L226 Difference]: Without dead ends: 264 [2024-11-28 02:39:35,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:35,978 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 232 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:35,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 881 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:39:35,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-28 02:39:35,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 170. [2024-11-28 02:39:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 157 states have (on average 1.3694267515923566) internal successors, (215), 157 states have internal predecessors, (215), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 237 transitions. [2024-11-28 02:39:35,998 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 237 transitions. Word has length 112 [2024-11-28 02:39:35,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:35,999 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 237 transitions. [2024-11-28 02:39:35,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 237 transitions. [2024-11-28 02:39:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 02:39:36,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:36,001 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:36,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:36,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:36,202 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:36,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:36,203 INFO L85 PathProgramCache]: Analyzing trace with hash -763715422, now seen corresponding path program 1 times [2024-11-28 02:39:36,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:36,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649273184] [2024-11-28 02:39:36,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:36,204 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 [2024-11-28 02:39:36,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:36,208 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:36,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:36,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:39:36,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:37,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:39:37,123 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 [2024-11-28 02:39:37,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:39:37,247 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 200 treesize of output 70 [2024-11-28 02:39:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:37,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:37,266 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:37,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649273184] [2024-11-28 02:39:37,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649273184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:37,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:37,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:37,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556292077] [2024-11-28 02:39:37,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:37,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:39:37,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:37,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:39:37,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:39:37,269 INFO L87 Difference]: Start difference. First operand 170 states and 237 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:38,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:38,162 INFO L93 Difference]: Finished difference Result 399 states and 562 transitions. [2024-11-28 02:39:38,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:39:38,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 114 [2024-11-28 02:39:38,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:38,165 INFO L225 Difference]: With dead ends: 399 [2024-11-28 02:39:38,165 INFO L226 Difference]: Without dead ends: 232 [2024-11-28 02:39:38,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:39:38,168 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 233 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:38,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 490 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:39:38,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-28 02:39:38,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 119. [2024-11-28 02:39:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 106 states have (on average 1.3018867924528301) internal successors, (138), 106 states have internal predecessors, (138), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 160 transitions. [2024-11-28 02:39:38,190 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 160 transitions. Word has length 114 [2024-11-28 02:39:38,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:38,191 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 160 transitions. [2024-11-28 02:39:38,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 160 transitions. [2024-11-28 02:39:38,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-28 02:39:38,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:38,193 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:38,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:38,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:38,394 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:38,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:38,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1171277797, now seen corresponding path program 1 times [2024-11-28 02:39:38,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:38,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832389126] [2024-11-28 02:39:38,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:38,396 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 [2024-11-28 02:39:38,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:38,398 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:38,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:38,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:39:38,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:38,984 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 [2024-11-28 02:39:39,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-28 02:39:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:39,126 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:39,127 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:39,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832389126] [2024-11-28 02:39:39,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832389126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:39,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:39,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:39:39,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189473316] [2024-11-28 02:39:39,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:39,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:39:39,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:39,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:39:39,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:39:39,130 INFO L87 Difference]: Start difference. First operand 119 states and 160 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:39,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:39,859 INFO L93 Difference]: Finished difference Result 241 states and 323 transitions. [2024-11-28 02:39:39,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:39:39,860 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 114 [2024-11-28 02:39:39,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:39,862 INFO L225 Difference]: With dead ends: 241 [2024-11-28 02:39:39,862 INFO L226 Difference]: Without dead ends: 239 [2024-11-28 02:39:39,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:39:39,863 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 121 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:39,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 1197 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:39:39,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-28 02:39:39,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 168. [2024-11-28 02:39:39,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 155 states have (on average 1.2774193548387096) internal successors, (198), 155 states have internal predecessors, (198), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:39:39,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 220 transitions. [2024-11-28 02:39:39,879 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 220 transitions. Word has length 114 [2024-11-28 02:39:39,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:39,880 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 220 transitions. [2024-11-28 02:39:39,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2024-11-28 02:39:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 02:39:39,881 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:39,881 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:39,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:40,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:40,086 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:40,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:40,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1421844337, now seen corresponding path program 1 times [2024-11-28 02:39:40,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:40,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767653773] [2024-11-28 02:39:40,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:40,087 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 [2024-11-28 02:39:40,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:40,090 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:40,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:40,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:39:40,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:42,183 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 61 treesize of output 37 [2024-11-28 02:39:42,191 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 97 treesize of output 49 [2024-11-28 02:39:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:42,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:42,304 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:42,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767653773] [2024-11-28 02:39:42,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767653773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:42,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:42,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:39:42,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844996015] [2024-11-28 02:39:42,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:42,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:39:42,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:42,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:39:42,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:42,307 INFO L87 Difference]: Start difference. First operand 168 states and 220 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:44,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:44,400 INFO L93 Difference]: Finished difference Result 513 states and 671 transitions. [2024-11-28 02:39:44,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:39:44,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-11-28 02:39:44,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:44,405 INFO L225 Difference]: With dead ends: 513 [2024-11-28 02:39:44,405 INFO L226 Difference]: Without dead ends: 348 [2024-11-28 02:39:44,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:39:44,406 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 387 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:44,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 767 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 02:39:44,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-28 02:39:44,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 254. [2024-11-28 02:39:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 229 states have (on average 1.2663755458515285) internal successors, (290), 229 states have internal predecessors, (290), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:39:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 334 transitions. [2024-11-28 02:39:44,444 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 334 transitions. Word has length 115 [2024-11-28 02:39:44,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:44,445 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 334 transitions. [2024-11-28 02:39:44,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 334 transitions. [2024-11-28 02:39:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 02:39:44,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:44,449 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:44,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:44,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:44,649 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:44,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:44,650 INFO L85 PathProgramCache]: Analyzing trace with hash -425514710, now seen corresponding path program 1 times [2024-11-28 02:39:44,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:44,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964482064] [2024-11-28 02:39:44,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:44,650 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 [2024-11-28 02:39:44,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:44,652 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:44,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-28 02:39:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:45,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:39:45,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:46,492 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 38 [2024-11-28 02:39:46,500 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 98 treesize of output 50 [2024-11-28 02:39:46,578 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:46,578 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:46,578 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:46,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964482064] [2024-11-28 02:39:46,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964482064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:46,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:46,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:39:46,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348895508] [2024-11-28 02:39:46,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:46,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:39:46,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:46,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:39:46,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:39:46,580 INFO L87 Difference]: Start difference. First operand 254 states and 334 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:48,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:48,497 INFO L93 Difference]: Finished difference Result 599 states and 783 transitions. [2024-11-28 02:39:48,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:39:48,499 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-11-28 02:39:48,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:48,501 INFO L225 Difference]: With dead ends: 599 [2024-11-28 02:39:48,501 INFO L226 Difference]: Without dead ends: 348 [2024-11-28 02:39:48,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:39:48,502 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 353 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:48,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 897 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:39:48,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-28 02:39:48,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 290. [2024-11-28 02:39:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 265 states have (on average 1.2528301886792452) internal successors, (332), 265 states have internal predecessors, (332), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:39:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 376 transitions. [2024-11-28 02:39:48,536 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 376 transitions. Word has length 115 [2024-11-28 02:39:48,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:48,537 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 376 transitions. [2024-11-28 02:39:48,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:48,537 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 376 transitions. [2024-11-28 02:39:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 02:39:48,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:48,539 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:48,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-28 02:39:48,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:48,739 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:48,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:48,740 INFO L85 PathProgramCache]: Analyzing trace with hash 741772237, now seen corresponding path program 1 times [2024-11-28 02:39:48,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:48,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316356443] [2024-11-28 02:39:48,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:48,740 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 [2024-11-28 02:39:48,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:48,743 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:48,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:49,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:39:49,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:39:49,221 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:39:49,221 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:49,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316356443] [2024-11-28 02:39:49,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316356443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:39:49,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:39:49,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:39:49,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701121575] [2024-11-28 02:39:49,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:39:49,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:39:49,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:39:49,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:39:49,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:49,223 INFO L87 Difference]: Start difference. First operand 290 states and 376 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:49,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:39:49,277 INFO L93 Difference]: Finished difference Result 577 states and 749 transitions. [2024-11-28 02:39:49,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:39:49,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 115 [2024-11-28 02:39:49,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:39:49,280 INFO L225 Difference]: With dead ends: 577 [2024-11-28 02:39:49,280 INFO L226 Difference]: Without dead ends: 290 [2024-11-28 02:39:49,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:39:49,283 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:39:49,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 410 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:39:49,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-28 02:39:49,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-28 02:39:49,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 265 states have (on average 1.2490566037735849) internal successors, (331), 265 states have internal predecessors, (331), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:39:49,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 375 transitions. [2024-11-28 02:39:49,319 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 375 transitions. Word has length 115 [2024-11-28 02:39:49,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:39:49,320 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 375 transitions. [2024-11-28 02:39:49,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:39:49,320 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 375 transitions. [2024-11-28 02:39:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 02:39:49,321 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:39:49,321 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:39:49,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 02:39:49,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:39:49,522 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:39:49,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:39:49,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1808699005, now seen corresponding path program 1 times [2024-11-28 02:39:49,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:39:49,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735003135] [2024-11-28 02:39:49,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:49,523 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 [2024-11-28 02:39:49,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:39:49,525 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:39:49,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:39:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:39:49,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 02:39:49,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:39:52,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:39:52,794 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 [2024-11-28 02:39:52,809 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:39:52,809 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 96 treesize of output 36 [2024-11-28 02:39:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 02:39:52,959 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:39:53,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:39:53,512 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 141 treesize of output 129 [2024-11-28 02:39:58,476 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:39:58,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735003135] [2024-11-28 02:39:58,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735003135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:39:58,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1305549882] [2024-11-28 02:39:58,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:39:58,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:39:58,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:39:58,482 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:39:58,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-28 02:40:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:00,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:40:00,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:01,414 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 22 treesize of output 1 [2024-11-28 02:40:03,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:40:03,429 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 128 treesize of output 68 [2024-11-28 02:40:03,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 64 [2024-11-28 02:40:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-28 02:40:03,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:40:04,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1305549882] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:04,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:40:04,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 8] total 21 [2024-11-28 02:40:04,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712114407] [2024-11-28 02:40:04,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:04,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:04,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:04,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:04,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-11-28 02:40:04,681 INFO L87 Difference]: Start difference. First operand 290 states and 375 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:40:06,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:40:06,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:06,631 INFO L93 Difference]: Finished difference Result 656 states and 855 transitions. [2024-11-28 02:40:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:40:06,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 116 [2024-11-28 02:40:06,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:06,637 INFO L225 Difference]: With dead ends: 656 [2024-11-28 02:40:06,637 INFO L226 Difference]: Without dead ends: 369 [2024-11-28 02:40:06,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 373 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:40:06,639 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 84 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:06,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 661 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 02:40:06,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-28 02:40:06,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2024-11-28 02:40:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 324 states have (on average 1.2561728395061729) internal successors, (407), 326 states have internal predecessors, (407), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 02:40:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 479 transitions. [2024-11-28 02:40:06,686 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 479 transitions. Word has length 116 [2024-11-28 02:40:06,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:06,687 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 479 transitions. [2024-11-28 02:40:06,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:40:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 479 transitions. [2024-11-28 02:40:06,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 02:40:06,688 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:06,689 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:06,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:40:06,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:07,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:40:07,090 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:07,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:07,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1580443261, now seen corresponding path program 1 times [2024-11-28 02:40:07,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:07,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140700779] [2024-11-28 02:40:07,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:07,091 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 [2024-11-28 02:40:07,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:07,092 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:40:07,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:40:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:07,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 02:40:07,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:11,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:40:11,278 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 96 treesize of output 36 [2024-11-28 02:40:11,293 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:40:11,293 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 [2024-11-28 02:40:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 02:40:11,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:12,327 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:40:12,327 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 141 treesize of output 129 [2024-11-28 02:40:17,773 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:17,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140700779] [2024-11-28 02:40:17,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140700779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:17,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1408648682] [2024-11-28 02:40:17,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:17,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:40:17,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:40:17,775 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:40:17,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-28 02:40:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:19,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:40:19,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:20,857 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 19 treesize of output 8 [2024-11-28 02:40:26,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:40:26,691 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 129 treesize of output 69 [2024-11-28 02:40:26,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 69 [2024-11-28 02:40:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-28 02:40:31,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:40:31,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1408648682] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:31,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:40:31,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 9] total 22 [2024-11-28 02:40:31,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117121450] [2024-11-28 02:40:31,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:31,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:31,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:31,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:31,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=530, Unknown=2, NotChecked=0, Total=600 [2024-11-28 02:40:31,524 INFO L87 Difference]: Start difference. First operand 365 states and 479 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:40:32,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:32,673 INFO L93 Difference]: Finished difference Result 735 states and 958 transitions. [2024-11-28 02:40:32,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:40:32,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 117 [2024-11-28 02:40:32,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:32,677 INFO L225 Difference]: With dead ends: 735 [2024-11-28 02:40:32,677 INFO L226 Difference]: Without dead ends: 373 [2024-11-28 02:40:32,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 378 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=75, Invalid=573, Unknown=2, NotChecked=0, Total=650 [2024-11-28 02:40:32,680 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 79 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:32,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 468 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:40:32,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-28 02:40:32,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 298. [2024-11-28 02:40:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 271 states have (on average 1.2361623616236161) internal successors, (335), 271 states have internal predecessors, (335), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:40:32,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 379 transitions. [2024-11-28 02:40:32,737 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 379 transitions. Word has length 117 [2024-11-28 02:40:32,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:32,742 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 379 transitions. [2024-11-28 02:40:32,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:40:32,742 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 379 transitions. [2024-11-28 02:40:32,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 02:40:32,743 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:32,743 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:32,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:40:32,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-28 02:40:33,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:40:33,144 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:33,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:33,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1459894537, now seen corresponding path program 1 times [2024-11-28 02:40:33,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:33,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726514316] [2024-11-28 02:40:33,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:33,146 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 [2024-11-28 02:40:33,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:33,148 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:40:33,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-28 02:40:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:33,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:40:33,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:36,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2024-11-28 02:40:36,224 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 70 treesize of output 34 [2024-11-28 02:40:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 02:40:36,341 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:37,293 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:40:37,293 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 91 treesize of output 66 [2024-11-28 02:40:38,328 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:38,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726514316] [2024-11-28 02:40:38,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726514316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:38,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [301724702] [2024-11-28 02:40:38,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:38,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:40:38,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:40:38,330 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:40:38,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-28 02:40:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:40,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:40:40,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:40,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-28 02:40:40,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2024-11-28 02:40:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:40:40,799 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:40,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [301724702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:40,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:40,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-28 02:40:40,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566654009] [2024-11-28 02:40:40,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:40,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:40,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:40,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:40,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:40:40,801 INFO L87 Difference]: Start difference. First operand 298 states and 379 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:40:41,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:41,224 INFO L93 Difference]: Finished difference Result 611 states and 775 transitions. [2024-11-28 02:40:41,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:40:41,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 117 [2024-11-28 02:40:41,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:41,229 INFO L225 Difference]: With dead ends: 611 [2024-11-28 02:40:41,229 INFO L226 Difference]: Without dead ends: 316 [2024-11-28 02:40:41,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:40:41,231 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 20 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:41,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 532 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:40:41,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-28 02:40:41,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 272. [2024-11-28 02:40:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 245 states have (on average 1.2530612244897958) internal successors, (307), 245 states have internal predecessors, (307), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 02:40:41,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 351 transitions. [2024-11-28 02:40:41,272 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 351 transitions. Word has length 117 [2024-11-28 02:40:41,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:41,272 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 351 transitions. [2024-11-28 02:40:41,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:40:41,273 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 351 transitions. [2024-11-28 02:40:41,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 02:40:41,275 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:41,275 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:41,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:41,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:41,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:40:41,676 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:41,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:41,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1838743132, now seen corresponding path program 1 times [2024-11-28 02:40:41,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:41,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496729134] [2024-11-28 02:40:41,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:41,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:41,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:41,679 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:40:41,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:40:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:42,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:40:42,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:44,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2024-11-28 02:40:45,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-28 02:40:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 02:40:45,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:46,234 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:40:46,234 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 91 treesize of output 66 [2024-11-28 02:40:47,129 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:47,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496729134] [2024-11-28 02:40:47,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [496729134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:47,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1406594308] [2024-11-28 02:40:47,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:47,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:40:47,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:40:47,132 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:40:47,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-28 02:40:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:49,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:40:49,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:49,355 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 38 [2024-11-28 02:40:49,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 26 [2024-11-28 02:40:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:40:49,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:40:49,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1406594308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:40:49,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:40:49,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-28 02:40:49,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221228723] [2024-11-28 02:40:49,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:40:49,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:40:49,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:40:49,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:40:49,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:40:49,599 INFO L87 Difference]: Start difference. First operand 272 states and 351 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:40:50,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:40:50,607 INFO L93 Difference]: Finished difference Result 559 states and 719 transitions. [2024-11-28 02:40:50,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:40:50,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 117 [2024-11-28 02:40:50,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:40:50,610 INFO L225 Difference]: With dead ends: 559 [2024-11-28 02:40:50,610 INFO L226 Difference]: Without dead ends: 290 [2024-11-28 02:40:50,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 303 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:40:50,612 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 36 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:40:50,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 576 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:40:50,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-28 02:40:50,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 174. [2024-11-28 02:40:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 160 states have (on average 1.23125) internal successors, (197), 160 states have internal predecessors, (197), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 02:40:50,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 219 transitions. [2024-11-28 02:40:50,634 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 219 transitions. Word has length 117 [2024-11-28 02:40:50,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:40:50,635 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 219 transitions. [2024-11-28 02:40:50,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:40:50,635 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 219 transitions. [2024-11-28 02:40:50,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 02:40:50,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:40:50,637 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:40:50,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-28 02:40:50,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 02:40:51,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:40:51,038 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:40:51,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:40:51,038 INFO L85 PathProgramCache]: Analyzing trace with hash -2030346274, now seen corresponding path program 1 times [2024-11-28 02:40:51,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:40:51,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522369936] [2024-11-28 02:40:51,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:51,039 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 [2024-11-28 02:40:51,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:40:51,041 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:40:51,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:40:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:51,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 02:40:51,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:40:53,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-28 02:40:53,862 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:40:53,863 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 [2024-11-28 02:40:54,006 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:40:54,007 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 197 treesize of output 77 [2024-11-28 02:40:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 02:40:54,314 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:40:55,169 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:40:55,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522369936] [2024-11-28 02:40:55,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1522369936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:40:55,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2078931860] [2024-11-28 02:40:55,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:40:55,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:40:55,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:40:55,171 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:40:55,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-28 02:40:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:40:59,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-28 02:40:59,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:01,570 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 16 treesize of output 17 [2024-11-28 02:41:04,092 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 19 treesize of output 8 [2024-11-28 02:41:08,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:08,721 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 45 treesize of output 15 [2024-11-28 02:41:09,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 87 [2024-11-28 02:41:10,565 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 16 treesize of output 17 [2024-11-28 02:41:12,552 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:12,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-11-28 02:41:13,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 95 [2024-11-28 02:41:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 02:41:17,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:19,256 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:41:19,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2078931860] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:19,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:41:19,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13, 19] total 36 [2024-11-28 02:41:19,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360853924] [2024-11-28 02:41:19,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:19,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:41:19,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:19,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:41:19,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1161, Unknown=1, NotChecked=0, Total=1332 [2024-11-28 02:41:19,258 INFO L87 Difference]: Start difference. First operand 174 states and 219 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:41:22,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:22,592 INFO L93 Difference]: Finished difference Result 471 states and 598 transitions. [2024-11-28 02:41:22,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:41:22,594 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2024-11-28 02:41:22,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:22,596 INFO L225 Difference]: With dead ends: 471 [2024-11-28 02:41:22,596 INFO L226 Difference]: Without dead ends: 300 [2024-11-28 02:41:22,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 349 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=238, Invalid=1567, Unknown=1, NotChecked=0, Total=1806 [2024-11-28 02:41:22,598 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 177 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:22,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 1434 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-28 02:41:22,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-28 02:41:22,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 271. [2024-11-28 02:41:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 250 states have (on average 1.224) internal successors, (306), 251 states have internal predecessors, (306), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:41:22,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 340 transitions. [2024-11-28 02:41:22,644 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 340 transitions. Word has length 118 [2024-11-28 02:41:22,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:22,645 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 340 transitions. [2024-11-28 02:41:22,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:41:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 340 transitions. [2024-11-28 02:41:22,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 02:41:22,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:22,647 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:22,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:41:22,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-28 02:41:23,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:41:23,048 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:23,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:23,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1968306660, now seen corresponding path program 1 times [2024-11-28 02:41:23,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:23,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119379740] [2024-11-28 02:41:23,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:23,049 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 [2024-11-28 02:41:23,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:23,052 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:41:23,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:41:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:23,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 02:41:23,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:29,300 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:29,301 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 184 treesize of output 94 [2024-11-28 02:41:29,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:29,317 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 154 treesize of output 64 [2024-11-28 02:41:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 02:41:29,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:41:30,986 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:30,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119379740] [2024-11-28 02:41:30,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119379740] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:30,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:41:30,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-28 02:41:30,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009750939] [2024-11-28 02:41:30,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:30,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:41:30,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:30,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:41:30,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:41:30,988 INFO L87 Difference]: Start difference. First operand 271 states and 340 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:41:32,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:32,328 INFO L93 Difference]: Finished difference Result 642 states and 807 transitions. [2024-11-28 02:41:32,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:41:32,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2024-11-28 02:41:32,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:32,335 INFO L225 Difference]: With dead ends: 642 [2024-11-28 02:41:32,336 INFO L226 Difference]: Without dead ends: 374 [2024-11-28 02:41:32,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:41:32,337 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 79 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:32,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 664 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:41:32,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-28 02:41:32,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 305. [2024-11-28 02:41:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 284 states have (on average 1.204225352112676) internal successors, (342), 285 states have internal predecessors, (342), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:41:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 376 transitions. [2024-11-28 02:41:32,377 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 376 transitions. Word has length 118 [2024-11-28 02:41:32,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:32,377 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 376 transitions. [2024-11-28 02:41:32,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:41:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 376 transitions. [2024-11-28 02:41:32,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 02:41:32,379 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:32,379 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:32,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:41:32,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:32,580 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:32,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:32,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1933633626, now seen corresponding path program 1 times [2024-11-28 02:41:32,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:32,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041553040] [2024-11-28 02:41:32,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:32,581 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 [2024-11-28 02:41:32,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:32,586 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:41:32,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:41:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:33,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 02:41:33,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:35,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-28 02:41:36,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:36,080 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 [2024-11-28 02:41:36,365 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:36,365 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 242 treesize of output 92 [2024-11-28 02:41:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 02:41:36,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:38,009 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:41:38,009 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:38,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2041553040] [2024-11-28 02:41:38,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2041553040] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:38,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:41:38,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 21 [2024-11-28 02:41:38,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502800249] [2024-11-28 02:41:38,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:38,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:41:38,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:41:38,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:41:38,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-28 02:41:38,012 INFO L87 Difference]: Start difference. First operand 305 states and 376 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:41:41,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:41:42,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:42,803 INFO L93 Difference]: Finished difference Result 731 states and 906 transitions. [2024-11-28 02:41:42,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:41:42,806 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2024-11-28 02:41:42,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:42,807 INFO L225 Difference]: With dead ends: 731 [2024-11-28 02:41:42,807 INFO L226 Difference]: Without dead ends: 429 [2024-11-28 02:41:42,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 214 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=86, Invalid=564, Unknown=0, NotChecked=0, Total=650 [2024-11-28 02:41:42,809 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 127 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:42,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1417 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-28 02:41:42,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-28 02:41:42,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 335. [2024-11-28 02:41:42,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 314 states have (on average 1.1847133757961783) internal successors, (372), 315 states have internal predecessors, (372), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:41:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 406 transitions. [2024-11-28 02:41:42,850 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 406 transitions. Word has length 118 [2024-11-28 02:41:42,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:42,850 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 406 transitions. [2024-11-28 02:41:42,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:41:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 406 transitions. [2024-11-28 02:41:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 02:41:42,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:42,852 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:42,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-28 02:41:43,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:41:43,053 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:43,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:43,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1349732123, now seen corresponding path program 1 times [2024-11-28 02:41:43,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:41:43,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135220956] [2024-11-28 02:41:43,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:43,054 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 [2024-11-28 02:41:43,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:41:43,056 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:41:43,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:41:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:43,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 02:41:43,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:47,112 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:47,113 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 [2024-11-28 02:41:47,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:47,135 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 96 treesize of output 36 [2024-11-28 02:41:47,314 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 02:41:47,314 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:41:48,102 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:41:48,102 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 141 treesize of output 129 [2024-11-28 02:41:53,081 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:41:53,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135220956] [2024-11-28 02:41:53,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2135220956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:41:53,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1845458161] [2024-11-28 02:41:53,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:53,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:41:53,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:41:53,083 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:41:53,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-28 02:41:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:55,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 02:41:55,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:41:57,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 02:41:57,852 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 26 treesize of output 1 [2024-11-28 02:41:59,938 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 22 treesize of output 1 [2024-11-28 02:42:01,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:42:01,969 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 [2024-11-28 02:42:01,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 36 [2024-11-28 02:42:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 02:42:02,150 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:42:06,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:42:06,623 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 2730 treesize of output 2490 [2024-11-28 02:42:13,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1845458161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:42:13,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:42:13,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-28 02:42:13,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143403400] [2024-11-28 02:42:13,446 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:42:13,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 02:42:13,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:42:13,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 02:42:13,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=521, Unknown=1, NotChecked=0, Total=600 [2024-11-28 02:42:13,448 INFO L87 Difference]: Start difference. First operand 335 states and 406 transitions. Second operand has 19 states, 19 states have (on average 6.105263157894737) internal successors, (116), 18 states have internal predecessors, (116), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-28 02:42:21,223 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 [] [2024-11-28 02:42:25,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:29,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:33,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:37,708 WARN L539 Checker$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 [] [2024-11-28 02:42:41,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:45,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:49,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:53,837 WARN L539 Checker$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 [] [2024-11-28 02:42:57,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:01,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:05,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:11,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:15,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:19,371 WARN L539 Checker$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 [] [2024-11-28 02:43:23,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:27,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:31,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:35,492 WARN L539 Checker$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 [] [2024-11-28 02:43:39,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:44,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:48,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:43:52,287 WARN L539 Checker$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 [] [2024-11-28 02:43:56,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:00,295 WARN L539 Checker$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 [] [2024-11-28 02:44:04,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:08,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:12,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:16,501 WARN L539 Checker$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 [] [2024-11-28 02:44:20,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:24,510 WARN L539 Checker$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 [] [2024-11-28 02:44:28,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:32,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:36,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:40,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:44,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:48,661 WARN L539 Checker$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 [] [2024-11-28 02:44:52,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:44:56,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:00,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:04,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:08,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:12,854 WARN L539 Checker$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 [] [2024-11-28 02:45:16,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:20,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:24,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:29,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:33,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:37,158 WARN L539 Checker$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 [] [2024-11-28 02:45:41,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:45,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:49,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:53,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:57,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:45:57,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:45:57,439 INFO L93 Difference]: Finished difference Result 1187 states and 1447 transitions. [2024-11-28 02:45:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:45:57,440 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.105263157894737) internal successors, (116), 18 states have internal predecessors, (116), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 119 [2024-11-28 02:45:57,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:45:57,444 INFO L225 Difference]: With dead ends: 1187 [2024-11-28 02:45:57,444 INFO L226 Difference]: Without dead ends: 855 [2024-11-28 02:45:57,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 321 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=183, Invalid=938, Unknown=1, NotChecked=0, Total=1122 [2024-11-28 02:45:57,447 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 1005 mSDsluCounter, 808 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 91 mSolverCounterUnsat, 54 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 220.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1005 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 54 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 221.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:45:57,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1005 Valid, 938 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 757 Invalid, 54 Unknown, 0 Unchecked, 221.4s Time] [2024-11-28 02:45:57,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-28 02:45:57,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 360. [2024-11-28 02:45:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 333 states have (on average 1.1831831831831832) internal successors, (394), 334 states have internal predecessors, (394), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:45:57,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 436 transitions. [2024-11-28 02:45:57,507 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 436 transitions. Word has length 119 [2024-11-28 02:45:57,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:45:57,508 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 436 transitions. [2024-11-28 02:45:57,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.105263157894737) internal successors, (116), 18 states have internal predecessors, (116), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-28 02:45:57,509 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 436 transitions. [2024-11-28 02:45:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 02:45:57,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:45:57,510 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:45:57,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:45:57,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-28 02:45:57,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:45:57,911 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:45:57,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:45:57,912 INFO L85 PathProgramCache]: Analyzing trace with hash -473713117, now seen corresponding path program 1 times [2024-11-28 02:45:57,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:45:57,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835129239] [2024-11-28 02:45:57,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:45:57,912 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 [2024-11-28 02:45:57,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:45:57,914 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:45:57,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:45:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:45:58,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:45:58,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:45:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-28 02:45:58,429 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:45:58,429 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:45:58,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835129239] [2024-11-28 02:45:58,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835129239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:45:58,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:45:58,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:45:58,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176142656] [2024-11-28 02:45:58,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:45:58,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:45:58,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:45:58,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:45:58,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:45:58,431 INFO L87 Difference]: Start difference. First operand 360 states and 436 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:45:58,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:45:58,558 INFO L93 Difference]: Finished difference Result 719 states and 872 transitions. [2024-11-28 02:45:58,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:45:58,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 119 [2024-11-28 02:45:58,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:45:58,561 INFO L225 Difference]: With dead ends: 719 [2024-11-28 02:45:58,561 INFO L226 Difference]: Without dead ends: 362 [2024-11-28 02:45:58,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:45:58,562 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:45:58,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:45:58,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-28 02:45:58,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-28 02:45:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 335 states have (on average 1.182089552238806) internal successors, (396), 336 states have internal predecessors, (396), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:45:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 438 transitions. [2024-11-28 02:45:58,617 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 438 transitions. Word has length 119 [2024-11-28 02:45:58,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:45:58,618 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 438 transitions. [2024-11-28 02:45:58,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:45:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 438 transitions. [2024-11-28 02:45:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 02:45:58,619 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:45:58,620 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:45:58,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:45:58,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:45:58,820 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:45:58,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:45:58,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1767128729, now seen corresponding path program 1 times [2024-11-28 02:45:58,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:45:58,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579246571] [2024-11-28 02:45:58,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:45:58,822 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 [2024-11-28 02:45:58,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:45:58,823 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:45:58,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:45:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:45:59,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:45:59,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:45:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 02:45:59,343 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:45:59,343 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:45:59,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579246571] [2024-11-28 02:45:59,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579246571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:45:59,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:45:59,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:45:59,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560597483] [2024-11-28 02:45:59,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:45:59,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:45:59,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:45:59,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:45:59,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:45:59,344 INFO L87 Difference]: Start difference. First operand 362 states and 438 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:45:59,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:45:59,486 INFO L93 Difference]: Finished difference Result 721 states and 873 transitions. [2024-11-28 02:45:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:45:59,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 119 [2024-11-28 02:45:59,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:45:59,489 INFO L225 Difference]: With dead ends: 721 [2024-11-28 02:45:59,489 INFO L226 Difference]: Without dead ends: 362 [2024-11-28 02:45:59,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:45:59,491 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:45:59,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:45:59,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-28 02:45:59,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-28 02:45:59,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 335 states have (on average 1.1791044776119404) internal successors, (395), 336 states have internal predecessors, (395), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:45:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 437 transitions. [2024-11-28 02:45:59,545 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 437 transitions. Word has length 119 [2024-11-28 02:45:59,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:45:59,546 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 437 transitions. [2024-11-28 02:45:59,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:45:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 437 transitions. [2024-11-28 02:45:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 02:45:59,547 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:45:59,548 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:45:59,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:45:59,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:45:59,748 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:45:59,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:45:59,749 INFO L85 PathProgramCache]: Analyzing trace with hash 955825444, now seen corresponding path program 1 times [2024-11-28 02:45:59,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:45:59,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047665066] [2024-11-28 02:45:59,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:45:59,750 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 [2024-11-28 02:45:59,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:45:59,752 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:45:59,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:46:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:00,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 02:46:00,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:06,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:06,222 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 233 treesize of output 113 [2024-11-28 02:46:06,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:06,643 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 [2024-11-28 02:46:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 02:46:07,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:46:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:46:09,925 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047665066] [2024-11-28 02:46:09,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047665066] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:46:09,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:46:09,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2024-11-28 02:46:09,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885937925] [2024-11-28 02:46:09,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:09,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:46:09,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:09,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:46:09,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:46:09,927 INFO L87 Difference]: Start difference. First operand 362 states and 437 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:46:13,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:13,472 INFO L93 Difference]: Finished difference Result 791 states and 962 transitions. [2024-11-28 02:46:13,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:46:13,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-11-28 02:46:13,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:13,478 INFO L225 Difference]: With dead ends: 791 [2024-11-28 02:46:13,479 INFO L226 Difference]: Without dead ends: 432 [2024-11-28 02:46:13,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:46:13,480 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 176 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:13,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 786 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-28 02:46:13,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-28 02:46:13,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 364. [2024-11-28 02:46:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 337 states have (on average 1.1780415430267062) internal successors, (397), 338 states have internal predecessors, (397), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:46:13,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 439 transitions. [2024-11-28 02:46:13,541 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 439 transitions. Word has length 120 [2024-11-28 02:46:13,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:13,541 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 439 transitions. [2024-11-28 02:46:13,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:46:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 439 transitions. [2024-11-28 02:46:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 02:46:13,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:13,543 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:13,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:46:13,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:13,744 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:13,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1213990882, now seen corresponding path program 1 times [2024-11-28 02:46:13,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:13,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742243281] [2024-11-28 02:46:13,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:13,745 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 [2024-11-28 02:46:13,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:13,747 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:46:13,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:46:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:14,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:46:14,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:19,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:19,305 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 183 treesize of output 93 [2024-11-28 02:46:19,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:19,317 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 153 treesize of output 63 [2024-11-28 02:46:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 02:46:19,577 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:46:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:46:20,814 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:20,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742243281] [2024-11-28 02:46:20,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [742243281] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:46:20,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:46:20,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-28 02:46:20,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409784019] [2024-11-28 02:46:20,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:20,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:20,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:20,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:20,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-28 02:46:20,817 INFO L87 Difference]: Start difference. First operand 364 states and 439 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:46:22,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:22,263 INFO L93 Difference]: Finished difference Result 845 states and 1032 transitions. [2024-11-28 02:46:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:46:22,265 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-11-28 02:46:22,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:22,268 INFO L225 Difference]: With dead ends: 845 [2024-11-28 02:46:22,268 INFO L226 Difference]: Without dead ends: 484 [2024-11-28 02:46:22,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:46:22,272 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 81 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:22,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 542 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:46:22,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-28 02:46:22,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 364. [2024-11-28 02:46:22,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 337 states have (on average 1.1661721068249258) internal successors, (393), 338 states have internal predecessors, (393), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:46:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 435 transitions. [2024-11-28 02:46:22,347 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 435 transitions. Word has length 120 [2024-11-28 02:46:22,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:22,348 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 435 transitions. [2024-11-28 02:46:22,348 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:46:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 435 transitions. [2024-11-28 02:46:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 02:46:22,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:22,350 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:22,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 02:46:22,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:22,550 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:22,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:22,551 INFO L85 PathProgramCache]: Analyzing trace with hash 890254788, now seen corresponding path program 1 times [2024-11-28 02:46:22,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:22,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085371649] [2024-11-28 02:46:22,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:22,552 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 [2024-11-28 02:46:22,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:22,554 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:46:22,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:46:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:23,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 02:46:23,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:29,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:29,439 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 184 treesize of output 94 [2024-11-28 02:46:29,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:29,870 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 249 treesize of output 99 [2024-11-28 02:46:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 02:46:30,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:46:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:46:32,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:32,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085371649] [2024-11-28 02:46:32,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085371649] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:46:32,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:46:32,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2024-11-28 02:46:32,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212599837] [2024-11-28 02:46:32,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:32,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:46:32,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:32,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:46:32,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:46:32,986 INFO L87 Difference]: Start difference. First operand 364 states and 435 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:46:35,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:35,712 INFO L93 Difference]: Finished difference Result 785 states and 946 transitions. [2024-11-28 02:46:35,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:46:35,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-11-28 02:46:35,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:35,716 INFO L225 Difference]: With dead ends: 785 [2024-11-28 02:46:35,716 INFO L226 Difference]: Without dead ends: 424 [2024-11-28 02:46:35,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:46:35,717 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 67 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:35,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 807 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 02:46:35,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-28 02:46:35,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 366. [2024-11-28 02:46:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 339 states have (on average 1.1651917404129795) internal successors, (395), 340 states have internal predecessors, (395), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:46:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 437 transitions. [2024-11-28 02:46:35,765 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 437 transitions. Word has length 120 [2024-11-28 02:46:35,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:35,765 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 437 transitions. [2024-11-28 02:46:35,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:46:35,766 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 437 transitions. [2024-11-28 02:46:35,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 02:46:35,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:35,767 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:35,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:46:35,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:35,968 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:35,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:35,969 INFO L85 PathProgramCache]: Analyzing trace with hash 704517792, now seen corresponding path program 1 times [2024-11-28 02:46:35,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:35,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1183016847] [2024-11-28 02:46:35,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:35,970 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 [2024-11-28 02:46:35,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:35,972 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:46:35,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:46:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:36,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 02:46:36,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:42,111 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:42,112 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 233 treesize of output 113 [2024-11-28 02:46:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-28 02:46:42,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:46:45,071 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:46:45,071 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:45,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1183016847] [2024-11-28 02:46:45,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1183016847] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:46:45,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:46:45,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 20 [2024-11-28 02:46:45,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512076856] [2024-11-28 02:46:45,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:45,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:46:45,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:45,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:46:45,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-11-28 02:46:45,073 INFO L87 Difference]: Start difference. First operand 366 states and 437 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:46:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:47,158 INFO L93 Difference]: Finished difference Result 783 states and 938 transitions. [2024-11-28 02:46:47,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:46:47,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-11-28 02:46:47,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:47,162 INFO L225 Difference]: With dead ends: 783 [2024-11-28 02:46:47,162 INFO L226 Difference]: Without dead ends: 420 [2024-11-28 02:46:47,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:46:47,163 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 162 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:47,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 685 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:46:47,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-28 02:46:47,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 364. [2024-11-28 02:46:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 337 states have (on average 1.1602373887240356) internal successors, (391), 338 states have internal predecessors, (391), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:46:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 433 transitions. [2024-11-28 02:46:47,213 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 433 transitions. Word has length 120 [2024-11-28 02:46:47,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:47,213 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 433 transitions. [2024-11-28 02:46:47,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:46:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 433 transitions. [2024-11-28 02:46:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 02:46:47,214 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:47,215 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:47,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:46:47,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:47,415 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:47,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash -12245312, now seen corresponding path program 1 times [2024-11-28 02:46:47,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:47,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849798764] [2024-11-28 02:46:47,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:47,416 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 [2024-11-28 02:46:47,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:47,418 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:46:47,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:46:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:47,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 02:46:47,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:46:51,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:51,069 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 234 treesize of output 114 [2024-11-28 02:46:51,350 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:51,351 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 149 treesize of output 59 [2024-11-28 02:46:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-28 02:46:53,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:46:55,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:46:55,106 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 180 treesize of output 90 [2024-11-28 02:46:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:46:55,576 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:46:55,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849798764] [2024-11-28 02:46:55,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849798764] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:46:55,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:46:55,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-11-28 02:46:55,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760056789] [2024-11-28 02:46:55,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:55,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:46:55,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:46:55,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:46:55,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:46:55,578 INFO L87 Difference]: Start difference. First operand 364 states and 433 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:46:58,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:58,990 INFO L93 Difference]: Finished difference Result 771 states and 922 transitions. [2024-11-28 02:46:58,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:46:58,993 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-11-28 02:46:58,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:58,994 INFO L225 Difference]: With dead ends: 771 [2024-11-28 02:46:58,994 INFO L226 Difference]: Without dead ends: 410 [2024-11-28 02:46:58,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2024-11-28 02:46:58,996 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 119 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:46:58,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 1009 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 02:46:58,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-28 02:46:59,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 350. [2024-11-28 02:46:59,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 323 states have (on average 1.1486068111455108) internal successors, (371), 324 states have internal predecessors, (371), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 02:46:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 413 transitions. [2024-11-28 02:46:59,063 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 413 transitions. Word has length 120 [2024-11-28 02:46:59,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:59,064 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 413 transitions. [2024-11-28 02:46:59,064 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:46:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 413 transitions. [2024-11-28 02:46:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 02:46:59,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:59,065 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:59,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:46:59,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:46:59,266 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:46:59,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:59,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2145593439, now seen corresponding path program 1 times [2024-11-28 02:46:59,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:46:59,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769376296] [2024-11-28 02:46:59,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:59,267 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 [2024-11-28 02:46:59,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:46:59,268 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:46:59,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:46:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:59,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:46:59,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:00,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-28 02:47:00,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-28 02:47:00,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-28 02:47:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 02:47:00,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:47:01,249 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:01,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769376296] [2024-11-28 02:47:01,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769376296] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:01,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:01,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2024-11-28 02:47:01,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517008676] [2024-11-28 02:47:01,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:01,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:47:01,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:01,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:47:01,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:47:01,251 INFO L87 Difference]: Start difference. First operand 350 states and 413 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:47:01,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:01,776 INFO L93 Difference]: Finished difference Result 467 states and 565 transitions. [2024-11-28 02:47:01,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:47:01,777 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 121 [2024-11-28 02:47:01,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:01,779 INFO L225 Difference]: With dead ends: 467 [2024-11-28 02:47:01,779 INFO L226 Difference]: Without dead ends: 465 [2024-11-28 02:47:01,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:47:01,780 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 104 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:01,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1570 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:47:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-28 02:47:01,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 461. [2024-11-28 02:47:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 412 states have (on average 1.1723300970873787) internal successors, (483), 416 states have internal predecessors, (483), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (38), 34 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 02:47:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 559 transitions. [2024-11-28 02:47:01,868 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 559 transitions. Word has length 121 [2024-11-28 02:47:01,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:01,868 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 559 transitions. [2024-11-28 02:47:01,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:47:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 559 transitions. [2024-11-28 02:47:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:47:01,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:01,870 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:01,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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 [2024-11-28 02:47:02,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:02,070 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:02,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:02,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1255165558, now seen corresponding path program 1 times [2024-11-28 02:47:02,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:02,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413164250] [2024-11-28 02:47:02,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:02,071 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 [2024-11-28 02:47:02,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:02,073 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:47:02,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2024-11-28 02:47:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:02,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 02:47:02,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:04,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-28 02:47:05,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:05,540 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 [2024-11-28 02:47:05,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:05,760 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 197 treesize of output 77 [2024-11-28 02:47:06,352 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 02:47:06,352 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:07,776 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413164250] [2024-11-28 02:47:07,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413164250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1187391381] [2024-11-28 02:47:07,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:07,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:47:07,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:47:07,778 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:47:07,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-28 02:47:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:11,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 02:47:11,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:14,266 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 19 treesize of output 8 [2024-11-28 02:47:18,489 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 16 treesize of output 17 [2024-11-28 02:47:19,728 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:19,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-11-28 02:47:20,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 81 [2024-11-28 02:47:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 02:47:28,902 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:47:29,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1187391381] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:29,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:47:29,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15, 16] total 37 [2024-11-28 02:47:29,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993761084] [2024-11-28 02:47:29,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:29,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:47:29,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:29,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:47:29,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1180, Unknown=2, NotChecked=0, Total=1332 [2024-11-28 02:47:29,741 INFO L87 Difference]: Start difference. First operand 461 states and 559 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:47:33,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:33,219 INFO L93 Difference]: Finished difference Result 1217 states and 1485 transitions. [2024-11-28 02:47:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:47:33,222 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2024-11-28 02:47:33,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:33,224 INFO L225 Difference]: With dead ends: 1217 [2024-11-28 02:47:33,224 INFO L226 Difference]: Without dead ends: 759 [2024-11-28 02:47:33,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 361 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=190, Invalid=1614, Unknown=2, NotChecked=0, Total=1806 [2024-11-28 02:47:33,226 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 176 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:33,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 2167 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 02:47:33,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-11-28 02:47:33,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 628. [2024-11-28 02:47:33,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 561 states have (on average 1.1764705882352942) internal successors, (660), 567 states have internal predecessors, (660), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 02:47:33,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 764 transitions. [2024-11-28 02:47:33,359 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 764 transitions. Word has length 122 [2024-11-28 02:47:33,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:33,359 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 764 transitions. [2024-11-28 02:47:33,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:47:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 764 transitions. [2024-11-28 02:47:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:47:33,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:33,361 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:33,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-28 02:47:33,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2024-11-28 02:47:33,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:33,762 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:33,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:33,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1648192568, now seen corresponding path program 1 times [2024-11-28 02:47:33,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:33,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047367390] [2024-11-28 02:47:33,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:33,763 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 [2024-11-28 02:47:33,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:33,765 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:47:33,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-11-28 02:47:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:34,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:47:34,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:36,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:36,794 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 233 treesize of output 113 [2024-11-28 02:47:36,805 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:36,806 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 103 treesize of output 43 [2024-11-28 02:47:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 02:47:36,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:47:37,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:37,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047367390] [2024-11-28 02:47:37,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047367390] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:37,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:37,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-28 02:47:37,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989795475] [2024-11-28 02:47:37,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:37,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:47:37,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:37,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:37,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:47:37,872 INFO L87 Difference]: Start difference. First operand 628 states and 764 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:47:38,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:38,947 INFO L93 Difference]: Finished difference Result 1257 states and 1528 transitions. [2024-11-28 02:47:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:47:38,950 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2024-11-28 02:47:38,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:38,967 INFO L225 Difference]: With dead ends: 1257 [2024-11-28 02:47:38,967 INFO L226 Difference]: Without dead ends: 632 [2024-11-28 02:47:38,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:47:38,969 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 76 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:38,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 536 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:47:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-11-28 02:47:39,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 628. [2024-11-28 02:47:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 561 states have (on average 1.1693404634581106) internal successors, (656), 567 states have internal predecessors, (656), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 02:47:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 760 transitions. [2024-11-28 02:47:39,102 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 760 transitions. Word has length 122 [2024-11-28 02:47:39,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:39,102 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 760 transitions. [2024-11-28 02:47:39,103 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:47:39,103 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 760 transitions. [2024-11-28 02:47:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:47:39,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:39,104 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:39,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2024-11-28 02:47:39,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:39,305 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:39,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:39,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1764638648, now seen corresponding path program 1 times [2024-11-28 02:47:39,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:39,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250283858] [2024-11-28 02:47:39,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:39,306 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 [2024-11-28 02:47:39,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:39,308 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:47:39,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-11-28 02:47:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:39,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 02:47:39,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:44,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:44,968 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 183 treesize of output 93 [2024-11-28 02:47:44,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:44,982 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 153 treesize of output 63 [2024-11-28 02:47:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 02:47:45,360 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:47:46,445 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:46,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250283858] [2024-11-28 02:47:46,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250283858] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:46,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:46,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-28 02:47:46,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132157727] [2024-11-28 02:47:46,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:46,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:47:46,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:46,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:46,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:47:46,447 INFO L87 Difference]: Start difference. First operand 628 states and 760 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:47:47,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:47,630 INFO L93 Difference]: Finished difference Result 1203 states and 1463 transitions. [2024-11-28 02:47:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:47:47,632 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2024-11-28 02:47:47,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:47,636 INFO L225 Difference]: With dead ends: 1203 [2024-11-28 02:47:47,636 INFO L226 Difference]: Without dead ends: 578 [2024-11-28 02:47:47,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:47:47,637 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 90 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:47,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 540 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:47:47,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-28 02:47:47,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 576. [2024-11-28 02:47:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 509 states have (on average 1.174852652259332) internal successors, (598), 515 states have internal predecessors, (598), 52 states have call successors, (52), 14 states have call predecessors, (52), 14 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 02:47:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 702 transitions. [2024-11-28 02:47:47,779 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 702 transitions. Word has length 122 [2024-11-28 02:47:47,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:47,779 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 702 transitions. [2024-11-28 02:47:47,780 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:47:47,780 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 702 transitions. [2024-11-28 02:47:47,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:47:47,781 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:47,781 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:47,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Ended with exit code 0 [2024-11-28 02:47:47,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:47,981 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:47,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:47,982 INFO L85 PathProgramCache]: Analyzing trace with hash -974367866, now seen corresponding path program 1 times [2024-11-28 02:47:47,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:47,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321017364] [2024-11-28 02:47:47,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:47,983 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 [2024-11-28 02:47:47,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:47,984 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:47:47,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2024-11-28 02:47:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:48,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:47:48,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:50,648 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:50,649 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 234 treesize of output 114 [2024-11-28 02:47:50,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:50,662 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 104 treesize of output 44 [2024-11-28 02:47:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-28 02:47:50,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:47:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:47:51,560 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:51,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321017364] [2024-11-28 02:47:51,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321017364] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:51,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:51,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-28 02:47:51,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598788102] [2024-11-28 02:47:51,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:51,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:47:51,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:51,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:51,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:47:51,561 INFO L87 Difference]: Start difference. First operand 576 states and 702 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:47:52,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:52,724 INFO L93 Difference]: Finished difference Result 1177 states and 1435 transitions. [2024-11-28 02:47:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:47:52,726 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2024-11-28 02:47:52,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:52,729 INFO L225 Difference]: With dead ends: 1177 [2024-11-28 02:47:52,729 INFO L226 Difference]: Without dead ends: 604 [2024-11-28 02:47:52,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:47:52,730 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 170 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:52,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 539 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:47:52,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-11-28 02:47:52,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 493. [2024-11-28 02:47:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 440 states have (on average 1.165909090909091) internal successors, (513), 444 states have internal predecessors, (513), 40 states have call successors, (40), 12 states have call predecessors, (40), 12 states have return successors, (40), 36 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:47:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 593 transitions. [2024-11-28 02:47:52,838 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 593 transitions. Word has length 122 [2024-11-28 02:47:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:52,839 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 593 transitions. [2024-11-28 02:47:52,839 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:47:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 593 transitions. [2024-11-28 02:47:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:47:52,840 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:52,840 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:52,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Ended with exit code 0 [2024-11-28 02:47:53,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:47:53,041 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:53,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:53,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1483840956, now seen corresponding path program 1 times [2024-11-28 02:47:53,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:53,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954973493] [2024-11-28 02:47:53,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:53,042 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 [2024-11-28 02:47:53,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:53,043 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:47:53,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2024-11-28 02:47:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:53,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 02:47:53,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:58,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:58,828 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 184 treesize of output 94 [2024-11-28 02:47:58,841 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:58,841 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 154 treesize of output 64 [2024-11-28 02:47:59,130 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-28 02:47:59,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:00,498 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 02:48:00,498 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:00,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954973493] [2024-11-28 02:48:00,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954973493] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:00,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:48:00,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-11-28 02:48:00,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316948790] [2024-11-28 02:48:00,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:00,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:48:00,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:00,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:48:00,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:48:00,500 INFO L87 Difference]: Start difference. First operand 493 states and 593 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:48:01,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:01,739 INFO L93 Difference]: Finished difference Result 1094 states and 1324 transitions. [2024-11-28 02:48:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:48:01,743 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2024-11-28 02:48:01,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:01,745 INFO L225 Difference]: With dead ends: 1094 [2024-11-28 02:48:01,745 INFO L226 Difference]: Without dead ends: 604 [2024-11-28 02:48:01,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:48:01,746 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 73 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:01,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 653 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:48:01,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2024-11-28 02:48:01,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 493. [2024-11-28 02:48:01,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 440 states have (on average 1.1613636363636364) internal successors, (511), 444 states have internal predecessors, (511), 40 states have call successors, (40), 12 states have call predecessors, (40), 12 states have return successors, (40), 36 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:48:01,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 591 transitions. [2024-11-28 02:48:01,829 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 591 transitions. Word has length 122 [2024-11-28 02:48:01,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:01,829 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 591 transitions. [2024-11-28 02:48:01,829 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, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-28 02:48:01,830 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 591 transitions. [2024-11-28 02:48:01,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 02:48:01,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:01,831 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:01,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Ended with exit code 0 [2024-11-28 02:48:02,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:02,032 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:02,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:02,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1876867966, now seen corresponding path program 1 times [2024-11-28 02:48:02,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:02,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1059136192] [2024-11-28 02:48:02,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:02,032 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:48:02,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:02,034 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:48:02,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2024-11-28 02:48:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:02,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 02:48:02,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:04,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-28 02:48:05,486 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:05,486 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 64 treesize of output 24 [2024-11-28 02:48:05,710 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:05,710 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 197 treesize of output 77 [2024-11-28 02:48:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-28 02:48:06,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:07,700 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:07,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1059136192] [2024-11-28 02:48:07,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1059136192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:07,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [383884502] [2024-11-28 02:48:07,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:07,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:48:07,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:48:07,702 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:48:07,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-28 02:48:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:11,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 02:48:11,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:14,729 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 19 treesize of output 8 [2024-11-28 02:48:17,964 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 16 treesize of output 17 [2024-11-28 02:48:19,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:19,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-11-28 02:48:19,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 81 [2024-11-28 02:48:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-28 02:48:28,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:29,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [383884502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:29,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:48:29,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2024-11-28 02:48:29,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401551516] [2024-11-28 02:48:29,436 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:48:29,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-28 02:48:29,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:48:29,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-28 02:48:29,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1065, Unknown=2, NotChecked=0, Total=1190 [2024-11-28 02:48:29,437 INFO L87 Difference]: Start difference. First operand 493 states and 591 transitions. Second operand has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 26 states have internal predecessors, (139), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 02:48:41,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-28 02:48:46,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:46,486 INFO L93 Difference]: Finished difference Result 1565 states and 1882 transitions. [2024-11-28 02:48:46,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:48:46,489 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 26 states have internal predecessors, (139), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 122 [2024-11-28 02:48:46,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:46,491 INFO L225 Difference]: With dead ends: 1565 [2024-11-28 02:48:46,491 INFO L226 Difference]: Without dead ends: 1075 [2024-11-28 02:48:46,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 282 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=281, Invalid=1973, Unknown=2, NotChecked=0, Total=2256 [2024-11-28 02:48:46,492 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 473 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 1957 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 2816 SdHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:46,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 2816 Invalid, 2009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1957 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2024-11-28 02:48:46,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-11-28 02:48:46,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1047. [2024-11-28 02:48:46,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 930 states have (on average 1.1655913978494623) internal successors, (1084), 941 states have internal predecessors, (1084), 90 states have call successors, (90), 26 states have call predecessors, (90), 26 states have return successors, (90), 79 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-28 02:48:46,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1264 transitions. [2024-11-28 02:48:46,749 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1264 transitions. Word has length 122 [2024-11-28 02:48:46,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:46,749 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1264 transitions. [2024-11-28 02:48:46,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.148148148148148) internal successors, (139), 26 states have internal predecessors, (139), 4 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 02:48:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1264 transitions. [2024-11-28 02:48:46,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 02:48:46,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:46,751 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:46,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Ended with exit code 0 [2024-11-28 02:48:46,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-28 02:48:47,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt [2024-11-28 02:48:47,152 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:48:47,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:47,153 INFO L85 PathProgramCache]: Analyzing trace with hash 179825352, now seen corresponding path program 1 times [2024-11-28 02:48:47,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:48:47,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100547475] [2024-11-28 02:48:47,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:47,154 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 [2024-11-28 02:48:47,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:48:47,155 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:48:47,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2024-11-28 02:48:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:47,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 02:48:47,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:48:50,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2024-11-28 02:48:51,145 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:51,145 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 [2024-11-28 02:48:51,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:48:51,409 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 195 treesize of output 75 [2024-11-28 02:48:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 02:48:52,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:48:53,648 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:48:53,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100547475] [2024-11-28 02:48:53,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100547475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:48:53,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2079337192] [2024-11-28 02:48:53,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:53,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 02:48:53,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 02:48:53,651 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 02:48:53,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-28 02:48:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:58,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-28 02:48:58,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:49:00,964 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 16 treesize of output 17 [2024-11-28 02:49:09,784 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 16 treesize of output 17 [2024-11-28 02:49:11,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:49:11,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 24 [2024-11-28 02:49:11,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 83 [2024-11-28 02:49:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 2 proven. 102 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-28 02:49:20,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:49:21,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2079337192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:49:21,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:49:21,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2024-11-28 02:49:21,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945024278] [2024-11-28 02:49:21,101 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 02:49:21,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 02:49:21,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:49:21,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 02:49:21,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1544, Unknown=3, NotChecked=0, Total=1722 [2024-11-28 02:49:21,103 INFO L87 Difference]: Start difference. First operand 1047 states and 1264 transitions. Second operand has 34 states, 32 states have (on average 4.65625) internal successors, (149), 31 states have internal predecessors, (149), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-28 02:49:37,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:49:37,982 INFO L93 Difference]: Finished difference Result 2697 states and 3250 transitions. [2024-11-28 02:49:37,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 02:49:37,983 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 32 states have (on average 4.65625) internal successors, (149), 31 states have internal predecessors, (149), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 124 [2024-11-28 02:49:37,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:49:37,988 INFO L225 Difference]: With dead ends: 2697 [2024-11-28 02:49:37,988 INFO L226 Difference]: Without dead ends: 1653 [2024-11-28 02:49:37,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 279 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 24.8s TimeCoverageRelationStatistics Valid=532, Invalid=3497, Unknown=3, NotChecked=0, Total=4032 [2024-11-28 02:49:37,990 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 492 mSDsluCounter, 2408 mSDsCounter, 0 mSdLazyCounter, 2061 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2561 SdHoareTripleChecker+Invalid, 2134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:49:37,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2561 Invalid, 2134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2061 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2024-11-28 02:49:37,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2024-11-28 02:49:38,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1363. [2024-11-28 02:49:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1215 states have (on average 1.1621399176954732) internal successors, (1412), 1229 states have internal predecessors, (1412), 115 states have call successors, (115), 32 states have call predecessors, (115), 32 states have return successors, (115), 101 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-28 02:49:38,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1642 transitions. [2024-11-28 02:49:38,236 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1642 transitions. Word has length 124 [2024-11-28 02:49:38,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:49:38,236 INFO L471 AbstractCegarLoop]: Abstraction has 1363 states and 1642 transitions. [2024-11-28 02:49:38,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 32 states have (on average 4.65625) internal successors, (149), 31 states have internal predecessors, (149), 6 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-28 02:49:38,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1642 transitions. [2024-11-28 02:49:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-28 02:49:38,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:49:38,238 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:49:38,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-28 02:49:38,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Ended with exit code 0 [2024-11-28 02:49:38,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:49:38,639 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:49:38,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:49:38,639 INFO L85 PathProgramCache]: Analyzing trace with hash 220500102, now seen corresponding path program 1 times [2024-11-28 02:49:38,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:49:38,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1972241061] [2024-11-28 02:49:38,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:49:38,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:49:38,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:49:38,642 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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) [2024-11-28 02:49:38,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2024-11-28 02:49:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:49:39,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:49:39,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:49:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-28 02:49:39,221 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:49:39,222 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:49:39,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1972241061] [2024-11-28 02:49:39,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1972241061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:49:39,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:49:39,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:49:39,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632762315] [2024-11-28 02:49:39,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:49:39,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:49:39,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:49:39,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:49:39,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:49:39,223 INFO L87 Difference]: Start difference. First operand 1363 states and 1642 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, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 02:49:39,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:49:39,691 INFO L93 Difference]: Finished difference Result 2320 states and 2792 transitions. [2024-11-28 02:49:39,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:49:39,692 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, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 124 [2024-11-28 02:49:39,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:49:39,693 INFO L225 Difference]: With dead ends: 2320 [2024-11-28 02:49:39,693 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:49:39,695 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:49:39,695 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:49:39,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 594 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:49:39,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:49:39,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:49:39,696 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) [2024-11-28 02:49:39,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:49:39,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 124 [2024-11-28 02:49:39,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:49:39,696 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:49:39,697 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, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-28 02:49:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:49:39,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:49:39,699 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:49:39,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Ended with exit code 0 [2024-11-28 02:49:39,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdab4f8-a9ca-4531-b0dd-2ea298233559/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 02:49:39,902 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:49:39,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:50:13,805 WARN L286 SmtUtils]: Spent 32.50s on a formula simplification. DAG size of input: 235 DAG size of output: 236 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:51:17,824 WARN L286 SmtUtils]: Spent 1.07m on a formula simplification. DAG size of input: 282 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:51:51,632 WARN L286 SmtUtils]: Spent 32.73s on a formula simplification. DAG size of input: 240 DAG size of output: 241 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:52:26,027 WARN L286 SmtUtils]: Spent 33.80s on a formula simplification. DAG size of input: 235 DAG size of output: 236 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-28 02:53:29,926 WARN L286 SmtUtils]: Spent 1.05m on a formula simplification. DAG size of input: 282 DAG size of output: 285 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)