./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.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_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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_9c88f452-18e3-43e0-9002-8415b131fc64/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 742f62ff84f22bccca510ba2fb19e3898eba0b612c7ec1ceea7f75329541d889 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:47:09,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:47:09,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:47:09,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:47:09,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:47:09,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:47:09,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:47:09,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:47:09,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:47:09,502 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:47:09,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:47:09,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:47:09,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:47:09,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:47:09,503 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:47:09,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:47:09,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:47:09,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:47:09,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:47:09,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:47:09,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:47:09,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:47:09,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:47:09,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:47:09,504 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:47:09,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:47:09,505 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:47:09,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:47:09,505 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:47:09,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:09,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:09,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:09,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:09,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:47:09,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:09,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:09,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:09,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:09,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:47:09,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:47:09,507 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:47:09,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:47:09,507 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:47:09,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:47:09,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:47:09,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:47:09,507 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:47:09,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:47:09,508 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_9c88f452-18e3-43e0-9002-8415b131fc64/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 -> 742f62ff84f22bccca510ba2fb19e3898eba0b612c7ec1ceea7f75329541d889 [2024-11-28 02:47:09,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:47:09,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:47:09,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:47:09,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:47:09,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:47:09,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i [2024-11-28 02:47:13,552 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/data/56cab2804/00069d0bd2374fe79ed71dd09c154332/FLAG9b7caeb30 [2024-11-28 02:47:13,896 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:47:13,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i [2024-11-28 02:47:13,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/data/56cab2804/00069d0bd2374fe79ed71dd09c154332/FLAG9b7caeb30 [2024-11-28 02:47:13,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/data/56cab2804/00069d0bd2374fe79ed71dd09c154332 [2024-11-28 02:47:13,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:47:13,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:47:13,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:13,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:47:13,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:47:13,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:13" (1/1) ... [2024-11-28 02:47:13,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f691684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:13, skipping insertion in model container [2024-11-28 02:47:13,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:13" (1/1) ... [2024-11-28 02:47:13,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:47:14,203 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_9c88f452-18e3-43e0-9002-8415b131fc64/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i[916,929] [2024-11-28 02:47:14,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:14,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:47:14,401 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_9c88f452-18e3-43e0-9002-8415b131fc64/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i[916,929] [2024-11-28 02:47:14,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:14,508 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:47:14,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14 WrapperNode [2024-11-28 02:47:14,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:14,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:14,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:47:14,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:47:14,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,606 INFO L138 Inliner]: procedures = 29, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 581 [2024-11-28 02:47:14,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:14,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:47:14,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:47:14,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:47:14,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,625 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,667 INFO L175 MemorySlicer]: Split 158 memory accesses to 4 slices as follows [2, 32, 38, 86]. 54 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 5, 6]. The 19 writes are split as follows [0, 3, 9, 7]. [2024-11-28 02:47:14,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,704 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:47:14,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:47:14,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:47:14,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:47:14,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (1/1) ... [2024-11-28 02:47:14,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:14,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:14,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:14,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:47:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:47:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:47:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:47:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:47:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:47:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-28 02:47:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-28 02:47:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-28 02:47:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-28 02:47:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-28 02:47:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-28 02:47:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-28 02:47:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-28 02:47:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:47:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:47:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:47:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:47:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-28 02:47:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-28 02:47:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-28 02:47:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-28 02:47:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:47:14,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:47:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:47:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:47:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:47:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:47:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:47:14,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:47:15,007 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:47:15,010 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:47:15,937 INFO L? ?]: Removed 171 outVars from TransFormulas that were not future-live. [2024-11-28 02:47:15,937 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:47:15,957 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:47:15,960 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:47:15,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:15 BoogieIcfgContainer [2024-11-28 02:47:15,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:47:15,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:47:15,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:47:15,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:47:15,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:13" (1/3) ... [2024-11-28 02:47:15,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e8d99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:15, skipping insertion in model container [2024-11-28 02:47:15,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:14" (2/3) ... [2024-11-28 02:47:15,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44e8d99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:15, skipping insertion in model container [2024-11-28 02:47:15,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:15" (3/3) ... [2024-11-28 02:47:15,975 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-91.i [2024-11-28 02:47:15,993 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:47:15,995 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-91.i that has 2 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:47:16,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:47:16,111 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;@6a3ea2b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:47:16,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:47:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:47:16,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:47:16,138 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:16,138 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:16,139 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:16,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:16,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1430690379, now seen corresponding path program 1 times [2024-11-28 02:47:16,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:16,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995343062] [2024-11-28 02:47:16,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:16,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:16,565 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 02:47:16,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:16,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995343062] [2024-11-28 02:47:16,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995343062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:16,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666829366] [2024-11-28 02:47:16,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:16,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:16,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:16,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:16,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:47:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:16,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:47:16,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-11-28 02:47:17,011 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:17,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666829366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:17,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:17,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:47:17,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668238173] [2024-11-28 02:47:17,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:17,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:47:17,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:17,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:47:17,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:47:17,055 INFO L87 Difference]: Start difference. First operand has 125 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:47:17,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:17,112 INFO L93 Difference]: Finished difference Result 243 states and 379 transitions. [2024-11-28 02:47:17,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:47:17,117 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2024-11-28 02:47:17,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:17,130 INFO L225 Difference]: With dead ends: 243 [2024-11-28 02:47:17,130 INFO L226 Difference]: Without dead ends: 121 [2024-11-28 02:47:17,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 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 02:47:17,140 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 02:47:17,141 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 02:47:17,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-28 02:47:17,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-28 02:47:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.4019607843137254) internal successors, (143), 102 states have internal predecessors, (143), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:47:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-11-28 02:47:17,262 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 138 [2024-11-28 02:47:17,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:17,263 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-11-28 02:47:17,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:47:17,264 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-11-28 02:47:17,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:47:17,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:17,271 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:17,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:17,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:47:17,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:17,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:17,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1147655401, now seen corresponding path program 1 times [2024-11-28 02:47:17,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:17,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314655302] [2024-11-28 02:47:17,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:17,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-28 02:47:18,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:18,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314655302] [2024-11-28 02:47:18,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314655302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:47:18,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552982087] [2024-11-28 02:47:18,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:18,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:18,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:18,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:18,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:47:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:18,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:47:18,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:47:18,692 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:18,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552982087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:18,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:47:18,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-28 02:47:18,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010457554] [2024-11-28 02:47:18,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:18,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:47:18,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:18,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:47:18,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:47:18,699 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:47:18,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:18,795 INFO L93 Difference]: Finished difference Result 241 states and 354 transitions. [2024-11-28 02:47:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:47:18,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-28 02:47:18,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:18,798 INFO L225 Difference]: With dead ends: 241 [2024-11-28 02:47:18,799 INFO L226 Difference]: Without dead ends: 123 [2024-11-28 02:47:18,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:47:18,805 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 02:47:18,806 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 02:47:18,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-28 02:47:18,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-28 02:47:18,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 104 states have internal predecessors, (145), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:47:18,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2024-11-28 02:47:18,837 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 138 [2024-11-28 02:47:18,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:18,838 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2024-11-28 02:47:18,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:47:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2024-11-28 02:47:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:47:18,846 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:18,846 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:18,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:47:19,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:19,047 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:19,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:19,051 INFO L85 PathProgramCache]: Analyzing trace with hash -530064823, now seen corresponding path program 1 times [2024-11-28 02:47:19,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:19,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418979932] [2024-11-28 02:47:19,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:19,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:47:20,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:20,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418979932] [2024-11-28 02:47:20,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418979932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:20,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:20,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:47:20,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272755670] [2024-11-28 02:47:20,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:20,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:47:20,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:20,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:47:20,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:47:20,542 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:47:20,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:20,870 INFO L93 Difference]: Finished difference Result 331 states and 482 transitions. [2024-11-28 02:47:20,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:47:20,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 140 [2024-11-28 02:47:20,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:20,874 INFO L225 Difference]: With dead ends: 331 [2024-11-28 02:47:20,874 INFO L226 Difference]: Without dead ends: 211 [2024-11-28 02:47:20,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:47:20,880 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 111 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:20,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1148 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:47:20,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-28 02:47:20,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2024-11-28 02:47:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 185 states have (on average 1.4216216216216215) internal successors, (263), 186 states have internal predecessors, (263), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:47:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 303 transitions. [2024-11-28 02:47:20,921 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 303 transitions. Word has length 140 [2024-11-28 02:47:20,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:20,922 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 303 transitions. [2024-11-28 02:47:20,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:47:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 303 transitions. [2024-11-28 02:47:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:47:20,925 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:20,926 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:20,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:47:20,926 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:20,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:20,927 INFO L85 PathProgramCache]: Analyzing trace with hash 104451762, now seen corresponding path program 1 times [2024-11-28 02:47:20,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:20,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282989930] [2024-11-28 02:47:20,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:20,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:47:21,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311555194] [2024-11-28 02:47:21,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:21,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:21,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:21,184 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:21,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:47:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:21,598 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:22,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:47:22,013 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:47:22,015 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:47:22,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:22,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:22,223 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 02:47:22,368 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:47:22,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:47:22 BoogieIcfgContainer [2024-11-28 02:47:22,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:47:22,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:47:22,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:47:22,378 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:47:22,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:15" (3/4) ... [2024-11-28 02:47:22,382 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:47:22,383 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:47:22,386 INFO L158 Benchmark]: Toolchain (without parser) took 8449.15ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.6MB in the beginning and 62.2MB in the end (delta: 30.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:22,387 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:22,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.28ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:47:22,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.89ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 72.4MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:22,390 INFO L158 Benchmark]: Boogie Preprocessor took 115.88ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 67.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:47:22,390 INFO L158 Benchmark]: RCFGBuilder took 1237.06ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 85.0MB in the end (delta: -17.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-11-28 02:47:22,392 INFO L158 Benchmark]: TraceAbstraction took 6413.61ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 84.5MB in the beginning and 62.3MB in the end (delta: 22.3MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-28 02:47:22,392 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 62.2MB in the end (delta: 17.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:22,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.28ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.89ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 72.4MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 115.88ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 67.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1237.06ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 85.0MB in the end (delta: -17.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6413.61ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 84.5MB in the beginning and 62.3MB in the end (delta: 22.3MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 62.2MB 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 someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 34, overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L25-L27] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L25-L27] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L25-L27] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L25-L27] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L25-L27] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L25-L27] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; VAL [float_Array_0={4:0}, isInitial=0, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L99] isInitial = 1 [L100] FCALL initially() [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L64] float_Array_0[0] = __VERIFIER_nondet_float() [L65] EXPR float_Array_0[0] [L65] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L65] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L65] EXPR float_Array_0[0] [L65] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L65] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L65] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L65] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L65] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L66] float_Array_0[1] = __VERIFIER_nondet_float() [L67] EXPR float_Array_0[1] [L67] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L67] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L67] EXPR float_Array_0[1] [L67] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L67] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L67] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L67] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L67] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L68] float_Array_0[2] = __VERIFIER_nondet_float() [L69] EXPR float_Array_0[2] [L69] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L69] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F [L69] EXPR float_Array_0[2] [L69] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L69] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L69] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L69] CALL assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L69] RET assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L70] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L71] EXPR signed_short_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L71] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= -32767) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L71] RET assume_abort_if_not(signed_short_int_Array_0[1] >= -32767) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L72] EXPR signed_short_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L72] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L72] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L73] signed_short_int_Array_0[2] = __VERIFIER_nondet_short() [L74] EXPR signed_short_int_Array_0[2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L74] CALL assume_abort_if_not(signed_short_int_Array_0[2] >= -1) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L74] RET assume_abort_if_not(signed_short_int_Array_0[2] >= -1) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L75] EXPR signed_short_int_Array_0[2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L75] CALL assume_abort_if_not(signed_short_int_Array_0[2] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L75] RET assume_abort_if_not(signed_short_int_Array_0[2] <= 32766) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L76] signed_short_int_Array_0[3] = __VERIFIER_nondet_short() [L77] EXPR signed_short_int_Array_0[3] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L77] CALL assume_abort_if_not(signed_short_int_Array_0[3] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L77] RET assume_abort_if_not(signed_short_int_Array_0[3] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L78] EXPR signed_short_int_Array_0[3] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L78] CALL assume_abort_if_not(signed_short_int_Array_0[3] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L78] RET assume_abort_if_not(signed_short_int_Array_0[3] <= 32766) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L79] unsigned_long_int_Array_0[1][0] = __VERIFIER_nondet_ulong() [L80] EXPR unsigned_long_int_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L80] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L80] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L81] EXPR unsigned_long_int_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967294) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L82] unsigned_long_int_Array_0[0][1] = __VERIFIER_nondet_ulong() [L83] EXPR unsigned_long_int_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L83] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L83] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L84] EXPR unsigned_long_int_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L84] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L84] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967294) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L85] unsigned_long_int_Array_0[1][1] = __VERIFIER_nondet_ulong() [L86] EXPR unsigned_long_int_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L86] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L86] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L87] EXPR unsigned_long_int_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L87] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L87] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L88] unsigned_long_int_Array_0[0][2] = __VERIFIER_nondet_ulong() [L89] EXPR unsigned_long_int_Array_0[0][2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L89] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][2] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L89] RET assume_abort_if_not(unsigned_long_int_Array_0[0][2] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L90] EXPR unsigned_long_int_Array_0[0][2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L90] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][2] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L90] RET assume_abort_if_not(unsigned_long_int_Array_0[0][2] <= 4294967294) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L103] RET updateVariables() [L104] CALL step() [L34] EXPR float_Array_0[2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L34] COND FALSE !(float_Array_0[2] >= 50.4f) [L37] EXPR unsigned_long_int_Array_0[0][2] [L37] EXPR unsigned_long_int_Array_0[1][2] [L37] EXPR unsigned_long_int_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L37] COND FALSE !(unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) [L44] EXPR signed_short_int_Array_0[1] [L44] signed_short_int_Array_0[4] = signed_short_int_Array_0[1] [L46] EXPR unsigned_long_int_Array_0[1][1] [L46] EXPR unsigned_long_int_Array_0[0][2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L46] COND FALSE !(! (unsigned_long_int_Array_0[1][1] < unsigned_long_int_Array_0[0][2])) [L49] EXPR unsigned_long_int_Array_0[0][1] [L49] EXPR unsigned_long_int_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L49] EXPR ((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]) [L49] EXPR unsigned_long_int_Array_0[0][1] [L49] EXPR ((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L49] unsigned_long_int_Array_0[0][0] = ((((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]))) [L51] EXPR unsigned_long_int_Array_0[1][0] [L51] EXPR unsigned_long_int_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L51] COND FALSE !(unsigned_long_int_Array_0[1][0] > unsigned_long_int_Array_0[0][0]) [L60] EXPR signed_short_int_Array_0[3] [L60] signed_short_int_Array_0[0] = signed_short_int_Array_0[3] [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR float_Array_0[2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L95] EXPR (float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1 [L95] EXPR unsigned_long_int_Array_0[1][2] [L95] EXPR unsigned_long_int_Array_0[0][2] [L95] EXPR unsigned_long_int_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L95] EXPR ((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]) [L95] EXPR unsigned_long_int_Array_0[0][2] [L95] EXPR ((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L95] EXPR (float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1 VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L95] EXPR ((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1]))) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L95] EXPR ((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1]))) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L95] EXPR (((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])))) && ((! (unsigned_long_int_Array_0[1][1] < unsigned_long_int_Array_0[0][2])) ? (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))))))) : (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))))) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L95] EXPR (((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])))) && ((! (unsigned_long_int_Array_0[1][1] < unsigned_long_int_Array_0[0][2])) ? (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))))))) : (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))))) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L95] EXPR ((((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])))) && ((! (unsigned_long_int_Array_0[1][1] < unsigned_long_int_Array_0[0][2])) ? (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))))))) : (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]))))))) && ((unsigned_long_int_Array_0[1][0] > unsigned_long_int_Array_0[0][0]) ? ((63.1 >= float_Array_0[0]) ? ((float_Array_0[0] >= float_Array_0[2]) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_short_int_Array_0[2] - signed_short_int_Array_0[3]))) : (signed_short_int_Array_0[0] == ((signed short int) signed_short_int_Array_0[2]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) signed_short_int_Array_0[3]))) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L95] EXPR ((((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])))) && ((! (unsigned_long_int_Array_0[1][1] < unsigned_long_int_Array_0[0][2])) ? (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))))))) : (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]))))))) && ((unsigned_long_int_Array_0[1][0] > unsigned_long_int_Array_0[0][0]) ? ((63.1 >= float_Array_0[0]) ? ((float_Array_0[0] >= float_Array_0[2]) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_short_int_Array_0[2] - signed_short_int_Array_0[3]))) : (signed_short_int_Array_0[0] == ((signed short int) signed_short_int_Array_0[2]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) signed_short_int_Array_0[3]))) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L95-L96] return ((((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])))) && ((! (unsigned_long_int_Array_0[1][1] < unsigned_long_int_Array_0[0][2])) ? (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))))))) : (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]))))))) && ((unsigned_long_int_Array_0[1][0] > unsigned_long_int_Array_0[0][0]) ? ((63.1 >= float_Array_0[0]) ? ((float_Array_0[0] >= float_Array_0[2]) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_short_int_Array_0[2] - signed_short_int_Array_0[3]))) : (signed_short_int_Array_0[0] == ((signed short int) signed_short_int_Array_0[2]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) signed_short_int_Array_0[3]))) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L19] reach_error() VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 4, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 1839 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1285 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 554 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 859 SizeOfPredicates, 0 NumberOfNonLiveVariables, 886 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 2667/2720 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 02:47:22,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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_9c88f452-18e3-43e0-9002-8415b131fc64/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 742f62ff84f22bccca510ba2fb19e3898eba0b612c7ec1ceea7f75329541d889 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:47:25,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:47:25,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:47:25,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:47:25,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:47:26,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:47:26,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:47:26,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:47:26,036 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:47:26,042 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:47:26,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:47:26,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:47:26,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:47:26,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:47:26,045 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:47:26,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:47:26,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:47:26,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:47:26,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:47:26,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:47:26,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:47:26,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:47:26,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:47:26,046 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:47:26,046 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:47:26,046 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:47:26,047 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:47:26,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:47:26,047 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:47:26,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:47:26,047 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:47:26,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:26,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:26,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:26,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:26,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:47:26,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:26,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:26,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:26,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:26,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:47:26,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:47:26,051 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:47:26,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:47:26,051 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:47:26,051 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:47:26,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:47:26,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:47:26,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:47:26,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:47:26,052 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_9c88f452-18e3-43e0-9002-8415b131fc64/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 -> 742f62ff84f22bccca510ba2fb19e3898eba0b612c7ec1ceea7f75329541d889 [2024-11-28 02:47:26,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:47:26,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:47:26,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:47:26,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:47:26,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:47:26,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i [2024-11-28 02:47:30,128 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/data/ae8c9abe8/f718d599b5f147278b4451b407e09db3/FLAGc89b55d30 [2024-11-28 02:47:30,540 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:47:30,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i [2024-11-28 02:47:30,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/data/ae8c9abe8/f718d599b5f147278b4451b407e09db3/FLAGc89b55d30 [2024-11-28 02:47:30,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/data/ae8c9abe8/f718d599b5f147278b4451b407e09db3 [2024-11-28 02:47:30,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:47:30,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:47:30,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:30,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:47:30,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:47:30,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:30" (1/1) ... [2024-11-28 02:47:30,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4e77dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:30, skipping insertion in model container [2024-11-28 02:47:30,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:30" (1/1) ... [2024-11-28 02:47:30,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:47:30,858 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_9c88f452-18e3-43e0-9002-8415b131fc64/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i[916,929] [2024-11-28 02:47:30,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:31,014 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:47:31,026 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_9c88f452-18e3-43e0-9002-8415b131fc64/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i[916,929] [2024-11-28 02:47:31,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:31,149 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:47:31,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31 WrapperNode [2024-11-28 02:47:31,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:31,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:31,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:47:31,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:47:31,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,272 INFO L138 Inliner]: procedures = 36, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 578 [2024-11-28 02:47:31,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:31,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:47:31,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:47:31,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:47:31,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,302 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,346 INFO L175 MemorySlicer]: Split 158 memory accesses to 4 slices as follows [2, 32, 38, 86]. 54 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 5, 6]. The 19 writes are split as follows [0, 3, 9, 7]. [2024-11-28 02:47:31,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,378 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:47:31,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:47:31,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:47:31,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:47:31,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (1/1) ... [2024-11-28 02:47:31,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:31,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:31,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:31,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:47:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:47:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-28 02:47:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-28 02:47:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-28 02:47:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-28 02:47:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:47:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 02:47:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-28 02:47:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-28 02:47:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-28 02:47:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-28 02:47:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-28 02:47:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-28 02:47:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-28 02:47:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-28 02:47:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-28 02:47:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-28 02:47:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-28 02:47:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-28 02:47:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-28 02:47:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-28 02:47:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-28 02:47:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:47:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:47:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:47:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:47:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-28 02:47:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-28 02:47:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-28 02:47:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-28 02:47:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-28 02:47:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-28 02:47:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-28 02:47:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-28 02:47:31,697 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:47:31,699 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:47:33,384 INFO L? ?]: Removed 171 outVars from TransFormulas that were not future-live. [2024-11-28 02:47:33,385 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:47:33,407 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:47:33,408 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:47:33,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:33 BoogieIcfgContainer [2024-11-28 02:47:33,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:47:33,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:47:33,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:47:33,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:47:33,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:30" (1/3) ... [2024-11-28 02:47:33,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47451a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:33, skipping insertion in model container [2024-11-28 02:47:33,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:31" (2/3) ... [2024-11-28 02:47:33,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47451a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:33, skipping insertion in model container [2024-11-28 02:47:33,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:33" (3/3) ... [2024-11-28 02:47:33,425 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-91.i [2024-11-28 02:47:33,444 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:47:33,446 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-91.i that has 2 procedures, 125 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:47:33,534 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:47:33,553 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;@56927930, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:47:33,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:47:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:47:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:47:33,575 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:33,576 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:33,577 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:33,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:33,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1430690379, now seen corresponding path program 1 times [2024-11-28 02:47:33,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:33,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319574624] [2024-11-28 02:47:33,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:33,597 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 02:47:33,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:33,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:33,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:34,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:47:34,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:34,134 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-28 02:47:34,135 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:34,136 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:34,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319574624] [2024-11-28 02:47:34,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1319574624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:34,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:34,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:47:34,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741472611] [2024-11-28 02:47:34,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:34,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:47:34,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:34,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:47:34,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:47:34,172 INFO L87 Difference]: Start difference. First operand has 125 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:47:34,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:34,265 INFO L93 Difference]: Finished difference Result 243 states and 379 transitions. [2024-11-28 02:47:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:47:34,268 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2024-11-28 02:47:34,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:34,281 INFO L225 Difference]: With dead ends: 243 [2024-11-28 02:47:34,282 INFO L226 Difference]: Without dead ends: 121 [2024-11-28 02:47:34,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 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 02:47:34,291 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 02:47:34,292 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 02:47:34,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-28 02:47:34,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-28 02:47:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.4019607843137254) internal successors, (143), 102 states have internal predecessors, (143), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:47:34,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2024-11-28 02:47:34,370 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 138 [2024-11-28 02:47:34,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:34,373 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2024-11-28 02:47:34,373 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, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:47:34,373 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2024-11-28 02:47:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 02:47:34,379 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:34,380 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:34,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:34,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:34,582 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:34,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:34,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1147655401, now seen corresponding path program 1 times [2024-11-28 02:47:34,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:34,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775968673] [2024-11-28 02:47:34,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:34,588 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 02:47:34,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:34,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:34,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:35,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:47:35,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 02:47:35,170 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:35,170 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:35,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775968673] [2024-11-28 02:47:35,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775968673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:35,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:35,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:47:35,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118538831] [2024-11-28 02:47:35,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:35,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:47:35,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:35,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:47:35,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:47:35,177 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:47:35,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:35,282 INFO L93 Difference]: Finished difference Result 241 states and 354 transitions. [2024-11-28 02:47:35,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:47:35,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2024-11-28 02:47:35,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:35,286 INFO L225 Difference]: With dead ends: 241 [2024-11-28 02:47:35,288 INFO L226 Difference]: Without dead ends: 123 [2024-11-28 02:47:35,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 135 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 02:47:35,290 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:35,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 514 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:47:35,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-28 02:47:35,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-28 02:47:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 104 states have internal predecessors, (145), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 02:47:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2024-11-28 02:47:35,318 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 138 [2024-11-28 02:47:35,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:35,322 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2024-11-28 02:47:35,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-28 02:47:35,322 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2024-11-28 02:47:35,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:47:35,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:35,329 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:35,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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)] Ended with exit code 0 [2024-11-28 02:47:35,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:35,529 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:35,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:35,530 INFO L85 PathProgramCache]: Analyzing trace with hash -530064823, now seen corresponding path program 1 times [2024-11-28 02:47:35,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:35,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777251351] [2024-11-28 02:47:35,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:35,531 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 02:47:35,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:35,533 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:35,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:36,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 02:47:36,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:36,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-28 02:47:36,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-28 02:47:36,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-28 02:47:36,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:36,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-11-28 02:47:36,918 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:36,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 37 [2024-11-28 02:47:37,095 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 02:47:37,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 34 [2024-11-28 02:47:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 02:47:37,179 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:37,179 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:37,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777251351] [2024-11-28 02:47:37,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777251351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:37,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:37,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:47:37,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756669406] [2024-11-28 02:47:37,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:37,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:47:37,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:37,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:47:37,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:47:37,185 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:47:38,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:38,645 INFO L93 Difference]: Finished difference Result 331 states and 482 transitions. [2024-11-28 02:47:38,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:47:38,646 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2024-11-28 02:47:38,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:38,649 INFO L225 Difference]: With dead ends: 331 [2024-11-28 02:47:38,649 INFO L226 Difference]: Without dead ends: 211 [2024-11-28 02:47:38,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 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 02:47:38,650 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 315 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:38,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 880 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:47:38,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-28 02:47:38,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2024-11-28 02:47:38,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 185 states have (on average 1.4216216216216215) internal successors, (263), 186 states have internal predecessors, (263), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:47:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 303 transitions. [2024-11-28 02:47:38,679 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 303 transitions. Word has length 140 [2024-11-28 02:47:38,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:38,680 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 303 transitions. [2024-11-28 02:47:38,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:47:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 303 transitions. [2024-11-28 02:47:38,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:47:38,683 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:38,683 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:38,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:38,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:38,884 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:38,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:38,885 INFO L85 PathProgramCache]: Analyzing trace with hash 104451762, now seen corresponding path program 1 times [2024-11-28 02:47:38,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:38,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147945352] [2024-11-28 02:47:38,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:38,886 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 02:47:38,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:38,890 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:38,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:39,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:47:39,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:40,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 22 [2024-11-28 02:47:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-28 02:47:41,013 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:41,014 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:41,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147945352] [2024-11-28 02:47:41,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147945352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:41,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:41,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:47:41,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41183863] [2024-11-28 02:47:41,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:41,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:47:41,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:41,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:47:41,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:47:41,017 INFO L87 Difference]: Start difference. First operand 208 states and 303 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:47:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:44,244 INFO L93 Difference]: Finished difference Result 604 states and 881 transitions. [2024-11-28 02:47:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:47:44,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2024-11-28 02:47:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:44,251 INFO L225 Difference]: With dead ends: 604 [2024-11-28 02:47:44,255 INFO L226 Difference]: Without dead ends: 399 [2024-11-28 02:47:44,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:47:44,256 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 336 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:44,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 639 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 02:47:44,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-28 02:47:44,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 395. [2024-11-28 02:47:44,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 350 states have (on average 1.417142857142857) internal successors, (496), 354 states have internal predecessors, (496), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 36 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:47:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 576 transitions. [2024-11-28 02:47:44,320 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 576 transitions. Word has length 140 [2024-11-28 02:47:44,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:44,321 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 576 transitions. [2024-11-28 02:47:44,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:47:44,322 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 576 transitions. [2024-11-28 02:47:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:47:44,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:44,325 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:44,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:44,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:44,529 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:44,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:44,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1617550924, now seen corresponding path program 1 times [2024-11-28 02:47:44,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:44,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34242301] [2024-11-28 02:47:44,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:44,532 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 02:47:44,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:44,535 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:44,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:44,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:47:44,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-28 02:47:44,882 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:44,882 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:44,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34242301] [2024-11-28 02:47:44,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [34242301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:44,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:44,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:47:44,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197138231] [2024-11-28 02:47:44,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:44,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:47:44,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:44,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:47:44,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:47:44,885 INFO L87 Difference]: Start difference. First operand 395 states and 576 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:47:44,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:44,970 INFO L93 Difference]: Finished difference Result 787 states and 1149 transitions. [2024-11-28 02:47:44,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:47:44,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2024-11-28 02:47:44,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:44,975 INFO L225 Difference]: With dead ends: 787 [2024-11-28 02:47:44,975 INFO L226 Difference]: Without dead ends: 395 [2024-11-28 02:47:44,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 137 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 02:47:44,977 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:44,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 517 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:47:44,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-28 02:47:45,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2024-11-28 02:47:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 350 states have (on average 1.4114285714285715) internal successors, (494), 354 states have internal predecessors, (494), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 36 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:47:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 574 transitions. [2024-11-28 02:47:45,026 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 574 transitions. Word has length 140 [2024-11-28 02:47:45,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:45,027 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 574 transitions. [2024-11-28 02:47:45,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:47:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 574 transitions. [2024-11-28 02:47:45,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 02:47:45,030 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:45,030 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:45,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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)] Ended with exit code 0 [2024-11-28 02:47:45,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:45,231 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:47:45,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:45,231 INFO L85 PathProgramCache]: Analyzing trace with hash -839067348, now seen corresponding path program 1 times [2024-11-28 02:47:45,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:45,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102984773] [2024-11-28 02:47:45,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:45,232 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 02:47:45,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:47:45,237 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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 02:47:45,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c88f452-18e3-43e0-9002-8415b131fc64/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