./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 207d54556929a93aa39d246b1f9a7e7f3ed779038a85bd758d97838d975fbe31 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:44:21,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:44:21,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:44:21,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:44:21,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:44:21,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:44:21,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:44:21,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:44:21,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:44:21,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:44:21,851 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:44:21,852 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:44:21,852 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:44:21,853 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:44:21,855 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:44:21,856 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:44:21,856 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:44:21,856 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:44:21,857 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:44:21,857 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:44:21,858 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:44:21,861 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:44:21,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:44:21,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:44:21,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:44:21,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:44:21,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:44:21,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:44:21,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:44:21,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:44:21,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:44:21,868 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:44:21,869 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:44:21,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:44:21,870 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:44:21,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:44:21,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:44:21,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:44:21,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:44:21,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:44:21,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:44:21,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:44:21,873 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:44:21,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:44:21,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:44:21,875 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:44:21,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:44:21,875 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 207d54556929a93aa39d246b1f9a7e7f3ed779038a85bd758d97838d975fbe31 [2024-11-09 04:44:22,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:44:22,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:44:22,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:44:22,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:44:22,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:44:22,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i Unable to find full path for "g++" [2024-11-09 04:44:24,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:44:24,472 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:44:24,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i [2024-11-09 04:44:24,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/data/a7ae0ab72/e74e4e1c7805462fa73ac80d20bac569/FLAGf60693fcf [2024-11-09 04:44:24,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/data/a7ae0ab72/e74e4e1c7805462fa73ac80d20bac569 [2024-11-09 04:44:24,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:44:24,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:44:24,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:44:24,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:44:24,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:44:24,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:24,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39539453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24, skipping insertion in model container [2024-11-09 04:44:24,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:24,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:44:24,755 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_bec55303-a9f9-4c3c-994d-0c17be931142/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i[913,926] [2024-11-09 04:44:24,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:44:24,821 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:44:24,833 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_bec55303-a9f9-4c3c-994d-0c17be931142/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i[913,926] [2024-11-09 04:44:24,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:44:24,890 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:44:24,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24 WrapperNode [2024-11-09 04:44:24,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:44:24,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:44:24,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:44:24,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:44:24,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:24,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:24,965 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2024-11-09 04:44:24,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:44:24,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:44:24,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:44:24,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:44:24,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:24,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:24,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:24,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:25,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:25,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:25,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:25,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:25,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:44:25,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:44:25,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:44:25,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:44:25,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (1/1) ... [2024-11-09 04:44:25,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:44:25,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:44:25,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:44:25,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:44:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:44:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:44:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:44:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:44:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:44:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:44:25,240 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:44:25,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:44:25,659 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 04:44:25,660 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:44:26,053 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:44:26,054 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:44:26,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:44:26 BoogieIcfgContainer [2024-11-09 04:44:26,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:44:26,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:44:26,059 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:44:26,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:44:26,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:44:24" (1/3) ... [2024-11-09 04:44:26,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16019bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:44:26, skipping insertion in model container [2024-11-09 04:44:26,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:24" (2/3) ... [2024-11-09 04:44:26,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16019bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:44:26, skipping insertion in model container [2024-11-09 04:44:26,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:44:26" (3/3) ... [2024-11-09 04:44:26,071 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-33.i [2024-11-09 04:44:26,092 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:44:26,092 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:44:26,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:44:26,181 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=FINITE_AUTOMATA, 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;@23406b6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:44:26,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:44:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 04:44:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 04:44:26,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:26,197 INFO L215 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:26,198 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:26,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:26,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1598254573, now seen corresponding path program 1 times [2024-11-09 04:44:26,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:44:26,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022582551] [2024-11-09 04:44:26,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:26,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:44:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:44:26,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:44:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:44:26,688 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:44:26,690 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:44:26,692 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:44:26,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:44:26,699 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 04:44:26,769 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:44:26,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:44:26 BoogieIcfgContainer [2024-11-09 04:44:26,775 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:44:26,776 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:44:26,776 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:44:26,776 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:44:26,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:44:26" (3/4) ... [2024-11-09 04:44:26,781 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 04:44:26,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:44:26,783 INFO L158 Benchmark]: Toolchain (without parser) took 2275.42ms. Allocated memory is still 195.0MB. Free memory was 154.7MB in the beginning and 111.2MB in the end (delta: 43.4MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2024-11-09 04:44:26,784 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:44:26,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.07ms. Allocated memory is still 195.0MB. Free memory was 154.3MB in the beginning and 140.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 04:44:26,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.96ms. Allocated memory is still 195.0MB. Free memory was 140.0MB in the beginning and 137.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:44:26,785 INFO L158 Benchmark]: Boogie Preprocessor took 53.03ms. Allocated memory is still 195.0MB. Free memory was 137.0MB in the beginning and 134.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:44:26,786 INFO L158 Benchmark]: RCFGBuilder took 1034.65ms. Allocated memory is still 195.0MB. Free memory was 134.9MB in the beginning and 142.7MB in the end (delta: -7.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2024-11-09 04:44:26,787 INFO L158 Benchmark]: TraceAbstraction took 717.88ms. Allocated memory is still 195.0MB. Free memory was 141.6MB in the beginning and 111.2MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 04:44:26,787 INFO L158 Benchmark]: Witness Printer took 6.45ms. Allocated memory is still 195.0MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:44:26,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.07ms. Allocated memory is still 195.0MB. Free memory was 154.3MB in the beginning and 140.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.96ms. Allocated memory is still 195.0MB. Free memory was 140.0MB in the beginning and 137.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.03ms. Allocated memory is still 195.0MB. Free memory was 137.0MB in the beginning and 134.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1034.65ms. Allocated memory is still 195.0MB. Free memory was 134.9MB in the beginning and 142.7MB in the end (delta: -7.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * TraceAbstraction took 717.88ms. Allocated memory is still 195.0MB. Free memory was 141.6MB in the beginning and 111.2MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.45ms. Allocated memory is still 195.0MB. Free memory is still 111.2MB. 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 60, overapproximation of bitwiseOr at line 53, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of bitwiseAnd at line 59, overapproximation of someUnaryFLOAToperation at line 60, overapproximation of someBinaryArithmeticFLOAToperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] signed short int var_1_5 = 4; [L24] unsigned char var_1_7 = 200; [L25] unsigned char var_1_8 = 32; [L26] float var_1_9 = 256.5; [L27] float var_1_10 = -0.25; [L28] float var_1_11 = 0.30000000000000004; [L29] float var_1_12 = 49.5; [L30] signed long int var_1_13 = -8; [L31] unsigned char var_1_14 = 0; [L32] float var_1_15 = 0.4; [L33] signed long int var_1_16 = -256; [L34] signed long int last_1_var_1_13 = -8; [L88] isInitial = 1 [L89] FCALL initially() [L90] COND TRUE 1 [L91] CALL updateLastVariables() [L81] last_1_var_1_13 = var_1_13 [L91] RET updateLastVariables() [L92] CALL updateVariables() [L64] var_1_5 = __VERIFIER_nondet_short() [L65] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=32, var_1_9=513/2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=32, var_1_9=513/2] [L66] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=32, var_1_9=513/2] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=32, var_1_9=513/2] [L67] var_1_8 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_9=513/2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_9=513/2] [L69] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L70] var_1_10 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=7500000000000001/25000000000000000, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L72] var_1_11 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_12=99/2, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L74] var_1_12 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L76] var_1_14 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L78] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=-8, var_1_13=-8, var_1_14=0, var_1_15=2/5, var_1_16=-256, var_1_1=-10, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L92] RET updateVariables() [L93] CALL step() [L38] COND FALSE !(var_1_5 < last_1_var_1_13) [L41] var_1_16 = var_1_7 [L42] unsigned char stepLocal_1 = var_1_7; [L43] COND TRUE ! var_1_14 [L44] var_1_13 = var_1_8 [L52] var_1_15 = var_1_11 [L53] EXPR var_1_13 ^ var_1_7 [L53] signed long int stepLocal_0 = (var_1_13 ^ var_1_7) + var_1_16; [L54] COND FALSE !(stepLocal_0 < -1) [L57] var_1_1 = (128 - (var_1_7 + var_1_7)) [L59] EXPR var_1_7 | var_1_16 [L59] EXPR var_1_13 & (var_1_7 | var_1_16) [L59] COND FALSE !(var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) [L93] RET step() [L94] CALL, EXPR property() [L84] EXPR var_1_13 ^ var_1_7 [L84] EXPR (((((var_1_13 ^ var_1_7) + var_1_16) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (var_1_7 + var_1_7))))) && ((var_1_5 < last_1_var_1_13) ? (var_1_7 == ((unsigned char) (var_1_8 + 1))) : 1)) && ((var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) ? (var_1_9 == ((float) ((((var_1_10 + (var_1_11 - var_1_12)) < 0 ) ? -(var_1_10 + (var_1_11 - var_1_12)) : (var_1_10 + (var_1_11 - var_1_12)))))) : 1) [L84] EXPR var_1_7 | var_1_16 [L84] EXPR var_1_13 & (var_1_7 | var_1_16) [L84] EXPR (((((var_1_13 ^ var_1_7) + var_1_16) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (var_1_7 + var_1_7))))) && ((var_1_5 < last_1_var_1_13) ? (var_1_7 == ((unsigned char) (var_1_8 + 1))) : 1)) && ((var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) ? (var_1_9 == ((float) ((((var_1_10 + (var_1_11 - var_1_12)) < 0 ) ? -(var_1_10 + (var_1_11 - var_1_12)) : (var_1_10 + (var_1_11 - var_1_12)))))) : 1) [L84-L85] return ((((((((var_1_13 ^ var_1_7) + var_1_16) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (var_1_7 + var_1_7))))) && ((var_1_5 < last_1_var_1_13) ? (var_1_7 == ((unsigned char) (var_1_8 + 1))) : 1)) && ((var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) ? (var_1_9 == ((float) ((((var_1_10 + (var_1_11 - var_1_12)) < 0 ) ? -(var_1_10 + (var_1_11 - var_1_12)) : (var_1_10 + (var_1_11 - var_1_12)))))) : 1)) && ((! var_1_14) ? (var_1_13 == ((signed long int) var_1_8)) : ((var_1_7 > (var_1_7 + var_1_7)) ? (var_1_13 == ((signed long int) var_1_7)) : (var_1_13 == ((signed long int) var_1_16))))) && (var_1_15 == ((float) var_1_11))) && (var_1_16 == ((signed long int) var_1_7)) ; [L94] RET, EXPR property() [L94] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=16390, var_1_13=0, var_1_14=0, var_1_15=16390, var_1_16=200, var_1_1=-272, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=-8, var_1_11=16390, var_1_13=0, var_1_14=0, var_1_15=16390, var_1_16=200, var_1_1=-272, var_1_5=16383, var_1_7=200, var_1_8=0, var_1_9=513/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 04:44:26,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 207d54556929a93aa39d246b1f9a7e7f3ed779038a85bd758d97838d975fbe31 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:44:29,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:44:29,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 04:44:29,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:44:29,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:44:29,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:44:29,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:44:29,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:44:29,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:44:29,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:44:29,576 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:44:29,576 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:44:29,576 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:44:29,577 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:44:29,577 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:44:29,577 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:44:29,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:44:29,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:44:29,579 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:44:29,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:44:29,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:44:29,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:44:29,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:44:29,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:44:29,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:44:29,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 04:44:29,582 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:44:29,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 04:44:29,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:44:29,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:44:29,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:44:29,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:44:29,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 04:44:29,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:44:29,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:44:29,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:44:29,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:44:29,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:44:29,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:44:29,586 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 04:44:29,587 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 04:44:29,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:44:29,588 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:44:29,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 207d54556929a93aa39d246b1f9a7e7f3ed779038a85bd758d97838d975fbe31 [2024-11-09 04:44:30,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:44:30,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:44:30,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:44:30,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:44:30,092 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:44:30,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i Unable to find full path for "g++" [2024-11-09 04:44:32,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:44:32,680 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:44:32,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i [2024-11-09 04:44:32,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/data/16b7043de/81cd92869cff4610a2ff20312cbc18f5/FLAG3685c9197 [2024-11-09 04:44:32,717 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/data/16b7043de/81cd92869cff4610a2ff20312cbc18f5 [2024-11-09 04:44:32,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:44:32,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:44:32,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:44:32,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:44:32,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:44:32,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:44:32" (1/1) ... [2024-11-09 04:44:32,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215c5943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:32, skipping insertion in model container [2024-11-09 04:44:32,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:44:32" (1/1) ... [2024-11-09 04:44:32,757 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:44:32,961 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_bec55303-a9f9-4c3c-994d-0c17be931142/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i[913,926] [2024-11-09 04:44:33,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:44:33,021 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:44:33,036 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_bec55303-a9f9-4c3c-994d-0c17be931142/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-33.i[913,926] [2024-11-09 04:44:33,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:44:33,094 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:44:33,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33 WrapperNode [2024-11-09 04:44:33,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:44:33,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:44:33,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:44:33,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:44:33,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,141 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-11-09 04:44:33,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:44:33,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:44:33,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:44:33,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:44:33,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:44:33,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:44:33,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:44:33,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:44:33,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (1/1) ... [2024-11-09 04:44:33,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:44:33,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:44:33,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:44:33,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:44:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:44:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 04:44:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 04:44:33,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 04:44:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:44:33,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:44:33,379 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:44:33,382 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:44:34,373 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 04:44:34,373 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:44:34,399 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:44:34,400 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 04:44:34,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:44:34 BoogieIcfgContainer [2024-11-09 04:44:34,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:44:34,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:44:34,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:44:34,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:44:34,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:44:32" (1/3) ... [2024-11-09 04:44:34,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48dc4893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:44:34, skipping insertion in model container [2024-11-09 04:44:34,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:44:33" (2/3) ... [2024-11-09 04:44:34,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48dc4893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:44:34, skipping insertion in model container [2024-11-09 04:44:34,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:44:34" (3/3) ... [2024-11-09 04:44:34,414 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-33.i [2024-11-09 04:44:34,457 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:44:34,458 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:44:34,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:44:34,548 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=FINITE_AUTOMATA, 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;@5190e31d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:44:34,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:44:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 04:44:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 04:44:34,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:34,567 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:34,568 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:34,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:34,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1568072735, now seen corresponding path program 1 times [2024-11-09 04:44:34,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:34,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953531825] [2024-11-09 04:44:34,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:34,589 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 [2024-11-09 04:44:34,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:34,591 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -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) [2024-11-09 04:44:34,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -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 [2024-11-09 04:44:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:34,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 04:44:34,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 04:44:34,934 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:44:34,934 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:44:34,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953531825] [2024-11-09 04:44:34,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [953531825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:44:34,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:44:34,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:44:34,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372920877] [2024-11-09 04:44:34,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:44:34,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:44:34,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:34,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:44:34,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:44:34,972 INFO L87 Difference]: Start difference. First operand has 41 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 04:44:34,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:34,999 INFO L93 Difference]: Finished difference Result 75 states and 117 transitions. [2024-11-09 04:44:35,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:44:35,001 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2024-11-09 04:44:35,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:35,010 INFO L225 Difference]: With dead ends: 75 [2024-11-09 04:44:35,010 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 04:44:35,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:44:35,021 INFO L432 NwaCegarLoop]: 50 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, 50 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 [2024-11-09 04:44:35,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:44:35,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 04:44:35,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-09 04:44:35,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 04:44:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-09 04:44:35,068 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 66 [2024-11-09 04:44:35,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:35,069 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-09 04:44:35,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 04:44:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-09 04:44:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 04:44:35,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:35,073 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:35,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:35,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:44:35,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:35,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:35,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1446787995, now seen corresponding path program 1 times [2024-11-09 04:44:35,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:35,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225397941] [2024-11-09 04:44:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:35,277 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 [2024-11-09 04:44:35,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:35,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -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) [2024-11-09 04:44:35,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -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 [2024-11-09 04:44:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:35,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:44:35,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:36,485 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 04:44:36,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:44:36,741 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:44:36,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225397941] [2024-11-09 04:44:36,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225397941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:44:36,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1026936397] [2024-11-09 04:44:36,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:36,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:44:36,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:44:36,758 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:44:36,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 04:44:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:37,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 04:44:37,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 04:44:37,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:44:37,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1026936397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:44:37,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 04:44:37,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-09 04:44:37,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057305950] [2024-11-09 04:44:37,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:44:37,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:44:37,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:37,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:44:37,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 04:44:37,524 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 04:44:38,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:38,272 INFO L93 Difference]: Finished difference Result 96 states and 133 transitions. [2024-11-09 04:44:38,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:44:38,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 66 [2024-11-09 04:44:38,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:38,276 INFO L225 Difference]: With dead ends: 96 [2024-11-09 04:44:38,276 INFO L226 Difference]: Without dead ends: 62 [2024-11-09 04:44:38,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 04:44:38,278 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 41 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:38,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 210 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 04:44:38,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-09 04:44:38,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 37. [2024-11-09 04:44:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 04:44:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2024-11-09 04:44:38,289 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 66 [2024-11-09 04:44:38,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:38,291 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2024-11-09 04:44:38,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-09 04:44:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-09 04:44:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 04:44:38,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:38,294 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:38,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:38,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:38,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 04:44:38,695 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:38,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:38,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1387682651, now seen corresponding path program 1 times [2024-11-09 04:44:38,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:38,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674638724] [2024-11-09 04:44:38,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:38,697 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 [2024-11-09 04:44:38,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:38,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -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) [2024-11-09 04:44:38,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -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 [2024-11-09 04:44:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:38,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:44:38,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 04:44:39,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:44:39,704 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 04:44:39,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674638724] [2024-11-09 04:44:39,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674638724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:44:39,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1417584628] [2024-11-09 04:44:39,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:39,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 04:44:39,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 04:44:39,713 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 04:44:39,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 04:44:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:40,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 04:44:40,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 04:44:40,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:44:40,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1417584628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:44:40,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231994283] [2024-11-09 04:44:40,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:40,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:44:40,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:44:40,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:44:40,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 04:44:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:41,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 04:44:41,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:44:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 04:44:41,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 04:44:41,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231994283] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:44:41,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 04:44:41,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-09 04:44:41,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001151369] [2024-11-09 04:44:41,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 04:44:41,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 04:44:41,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 04:44:41,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 04:44:41,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-09 04:44:41,689 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 04:44:42,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:42,742 INFO L93 Difference]: Finished difference Result 112 states and 144 transitions. [2024-11-09 04:44:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 04:44:42,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2024-11-09 04:44:42,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:42,753 INFO L225 Difference]: With dead ends: 112 [2024-11-09 04:44:42,753 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 04:44:42,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-09 04:44:42,755 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 49 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:42,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 164 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 04:44:42,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 04:44:42,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 63. [2024-11-09 04:44:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 41 states have internal predecessors, (45), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 04:44:42,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2024-11-09 04:44:42,785 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 81 transitions. Word has length 66 [2024-11-09 04:44:42,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:42,786 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 81 transitions. [2024-11-09 04:44:42,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 04:44:42,787 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2024-11-09 04:44:42,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 04:44:42,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:42,791 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:42,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 04:44:42,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:43,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-09 04:44:43,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 04:44:43,393 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:44:43,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:43,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1780709661, now seen corresponding path program 1 times [2024-11-09 04:44:43,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 04:44:43,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145684778] [2024-11-09 04:44:43,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:43,394 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 [2024-11-09 04:44:43,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 04:44:43,399 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -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) [2024-11-09 04:44:43,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bec55303-a9f9-4c3c-994d-0c17be931142/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-09 04:44:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:43,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 04:44:43,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:45:50,124 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 86 proven. 39 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 04:45:50,124 INFO L311 TraceCheckSpWp]: Computing backward predicates...