./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2 --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 0101e68cd769ee86bcffa133d99498f55c4b5621d6fd69302f6e63627d783b8c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:50,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:50,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:23:50,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:50,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:50,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:50,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:50,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:50,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:50,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:50,444 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:50,445 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:50,446 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:50,447 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:23:50,450 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:50,450 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:50,451 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:23:50,451 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:23:50,451 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:50,452 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:23:50,456 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:23:50,457 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:23:50,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:50,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:23:50,458 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:23:50,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:23:50,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:23:50,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:50,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:23:50,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:50,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:23:50,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:50,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:23:50,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:23:50,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:50,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:50,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:50,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:50,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:50,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:50,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:50,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:23:50,467 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:23:50,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:23:50,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:50,471 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:50,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:50,472 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_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0101e68cd769ee86bcffa133d99498f55c4b5621d6fd69302f6e63627d783b8c [2024-11-02 11:23:50,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:50,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:50,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:50,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:50,890 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:50,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i Unable to find full path for "g++" [2024-11-02 11:23:52,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:23:53,164 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:23:53,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i [2024-11-02 11:23:53,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/data/a38e7c000/bad9b13ee0674e37b99fdde5868e4296/FLAGc4239eb26 [2024-11-02 11:23:53,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/data/a38e7c000/bad9b13ee0674e37b99fdde5868e4296 [2024-11-02 11:23:53,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:23:53,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:23:53,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:53,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:23:53,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:23:53,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e43b1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53, skipping insertion in model container [2024-11-02 11:23:53,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:23:53,727 WARN L251 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_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i[913,926] [2024-11-02 11:23:53,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:53,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:23:53,802 WARN L251 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_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i[913,926] [2024-11-02 11:23:53,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:23:53,859 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:23:53,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53 WrapperNode [2024-11-02 11:23:53,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:23:53,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:53,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:23:53,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:23:53,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,908 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-02 11:23:53,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:23:53,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:23:53,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:23:53,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:23:53,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:23:53,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:23:53,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:23:53,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:23:53,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (1/1) ... [2024-11-02 11:23:53,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:53,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:53,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:23:53,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:23:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:23:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:23:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:23:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:23:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:23:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:23:54,120 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:23:54,125 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:23:54,464 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 11:23:54,464 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:23:54,679 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:23:54,679 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:23:54,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:54 BoogieIcfgContainer [2024-11-02 11:23:54,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:23:54,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:23:54,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:23:54,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:23:54,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:23:53" (1/3) ... [2024-11-02 11:23:54,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6874cbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:54, skipping insertion in model container [2024-11-02 11:23:54,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:23:53" (2/3) ... [2024-11-02 11:23:54,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6874cbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:23:54, skipping insertion in model container [2024-11-02 11:23:54,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:54" (3/3) ... [2024-11-02 11:23:54,695 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-91.i [2024-11-02 11:23:54,718 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:23:54,718 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:23:54,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:23:54,787 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;@77840d72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:23:54,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:23:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-02 11:23:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-02 11:23:54,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:23:54,804 INFO L215 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:23:54,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:23:54,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:23:54,815 INFO L85 PathProgramCache]: Analyzing trace with hash 230223682, now seen corresponding path program 1 times [2024-11-02 11:23:54,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:23:54,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381636755] [2024-11-02 11:23:54,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:54,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:23:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 11:23:55,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108847710] [2024-11-02 11:23:55,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:23:55,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:23:55,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:23:55,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:23:55,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:23:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:23:55,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:23:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:23:55,653 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:23:55,656 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:23:55,659 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:23:55,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 11:23:55,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 11:23:55,865 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:23:55,932 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:23:55,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:23:55 BoogieIcfgContainer [2024-11-02 11:23:55,942 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:23:55,943 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:23:55,943 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:23:55,944 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:23:55,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:23:54" (3/4) ... [2024-11-02 11:23:55,947 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:23:55,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:23:55,950 INFO L158 Benchmark]: Toolchain (without parser) took 2440.43ms. Allocated memory is still 136.3MB. Free memory was 104.3MB in the beginning and 75.4MB in the end (delta: 28.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-11-02 11:23:55,951 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:23:55,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.95ms. Allocated memory is still 136.3MB. Free memory was 104.3MB in the beginning and 90.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 11:23:55,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.22ms. Allocated memory is still 136.3MB. Free memory was 90.1MB in the beginning and 87.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:23:55,955 INFO L158 Benchmark]: Boogie Preprocessor took 32.53ms. Allocated memory is still 136.3MB. Free memory was 87.6MB in the beginning and 86.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:23:55,955 INFO L158 Benchmark]: RCFGBuilder took 737.13ms. Allocated memory is still 136.3MB. Free memory was 86.5MB in the beginning and 59.9MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-02 11:23:55,958 INFO L158 Benchmark]: TraceAbstraction took 1257.90ms. Allocated memory is still 136.3MB. Free memory was 59.4MB in the beginning and 75.4MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:23:55,958 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 136.3MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:23:55,964 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 136.3MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.95ms. Allocated memory is still 136.3MB. Free memory was 104.3MB in the beginning and 90.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.22ms. Allocated memory is still 136.3MB. Free memory was 90.1MB in the beginning and 87.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.53ms. Allocated memory is still 136.3MB. Free memory was 87.6MB in the beginning and 86.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 737.13ms. Allocated memory is still 136.3MB. Free memory was 86.5MB in the beginning and 59.9MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1257.90ms. Allocated memory is still 136.3MB. Free memory was 59.4MB in the beginning and 75.4MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 136.3MB. Free memory is still 75.4MB. 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 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someUnaryDOUBLEoperation at line 28. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] float var_1_2 = 49.25; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 64; [L26] signed short int var_1_5 = 1; [L27] float var_1_6 = 8.4; [L28] float var_1_7 = -0.25; [L29] signed short int var_1_8 = -4; [L30] unsigned long int var_1_9 = 64; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 10; [L33] signed short int var_1_12 = 100; [L34] signed short int var_1_14 = 128; [L35] signed short int var_1_15 = 10; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L71] var_1_3 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L73] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L74] var_1_4 = __VERIFIER_nondet_ulong() [L75] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L76] CALL assume_abort_if_not(var_1_4 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_4 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L77] var_1_6 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-4, var_1_9=64] [L79] var_1_7 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-4, var_1_9=64] [L81] var_1_8 = __VERIFIER_nondet_short() [L82] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L83] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L84] var_1_10 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L86] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-4194967295, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10=-4194967295, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L87] var_1_11 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4194967295, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-4194967295, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L89] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L90] var_1_14 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=99, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=99, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L92] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=99, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=99, var_1_15=10, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L93] var_1_15 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=99, var_1_15=0, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=99, var_1_15=0, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L95] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=99, var_1_15=0, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=99, var_1_15=0, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=1, var_1_8=-32767, var_1_9=64] [L108] RET updateVariables() [L109] CALL step() [L39] COND TRUE var_1_2 >= 50.4f [L40] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) [L42] COND FALSE !(var_1_3 == (var_1_1 * var_1_4)) [L49] var_1_5 = var_1_8 [L51] COND TRUE ! (var_1_4 < var_1_3) [L52] var_1_9 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) [L56] COND TRUE var_1_10 > var_1_9 [L57] COND FALSE !(63.1 >= var_1_7) [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_2 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) && ((var_1_3 == (var_1_1 * var_1_4)) ? ((var_1_2 >= (var_1_6 + var_1_7)) ? (var_1_5 == ((signed short int) var_1_8)) : (var_1_5 == ((signed short int) 32))) : (var_1_5 == ((signed short int) var_1_8)))) && ((! (var_1_4 < var_1_3)) ? (var_1_9 == ((unsigned long int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_9 == ((unsigned long int) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))))) && ((var_1_10 > var_1_9) ? ((63.1 >= var_1_7) ? ((var_1_7 >= var_1_2) ? (var_1_12 == ((signed short int) (var_1_14 - var_1_15))) : (var_1_12 == ((signed short int) var_1_14))) : 1) : (var_1_12 == ((signed short int) var_1_15))) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=99, var_1_15=0, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=-32767, var_1_8=-32767, var_1_9=100000000] [L19] reach_error() VAL [isInitial=1, var_1_10=-4194967295, var_1_11=-4194967294, var_1_12=100, var_1_14=99, var_1_15=0, var_1_1=100000000, var_1_3=-4194967296, var_1_4=100000000, var_1_5=-32767, var_1_8=-32767, var_1_9=100000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 17, 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=36occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 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 [2024-11-02 11:23:56,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2 --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 0101e68cd769ee86bcffa133d99498f55c4b5621d6fd69302f6e63627d783b8c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:23:58,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:23:58,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 11:23:58,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:23:58,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:23:58,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:23:58,686 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:23:58,687 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:23:58,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:23:58,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:23:58,690 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:23:58,690 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:23:58,690 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:23:58,691 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:23:58,691 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:23:58,691 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:23:58,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:23:58,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:23:58,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:23:58,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:23:58,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:23:58,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:23:58,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:23:58,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:23:58,701 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:23:58,701 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:23:58,701 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:23:58,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:23:58,702 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:23:58,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:23:58,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:23:58,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:23:58,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:23:58,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:23:58,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:23:58,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:23:58,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:23:58,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:23:58,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:23:58,705 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:23:58,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:23:58,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:23:58,707 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:23:58,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:23:58,707 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0101e68cd769ee86bcffa133d99498f55c4b5621d6fd69302f6e63627d783b8c [2024-11-02 11:23:59,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:23:59,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:23:59,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:23:59,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:23:59,177 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:23:59,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i Unable to find full path for "g++" [2024-11-02 11:24:01,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:24:01,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:24:01,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i [2024-11-02 11:24:01,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/data/216b1ca6b/70480574483244039a4658b764866851/FLAGc538bf169 [2024-11-02 11:24:01,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/data/216b1ca6b/70480574483244039a4658b764866851 [2024-11-02 11:24:01,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:24:01,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:24:01,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:01,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:24:01,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:24:01,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:01" (1/1) ... [2024-11-02 11:24:01,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0f9b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:01, skipping insertion in model container [2024-11-02 11:24:01,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:01" (1/1) ... [2024-11-02 11:24:01,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:24:01,887 WARN L251 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_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i[913,926] [2024-11-02 11:24:01,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:01,982 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:24:02,000 WARN L251 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_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-91.i[913,926] [2024-11-02 11:24:02,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:02,073 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:24:02,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02 WrapperNode [2024-11-02 11:24:02,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:02,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:02,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:24:02,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:24:02,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,137 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-02 11:24:02,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:02,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:24:02,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:24:02,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:24:02,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:24:02,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:24:02,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:24:02,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:24:02,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (1/1) ... [2024-11-02 11:24:02,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:02,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:24:02,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:24:02,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:24:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:24:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:24:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:24:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:24:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:24:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:24:02,391 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:24:02,395 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:24:03,082 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:03,083 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:24:03,096 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:24:03,096 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:24:03,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:03 BoogieIcfgContainer [2024-11-02 11:24:03,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:24:03,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:24:03,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:24:03,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:24:03,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:24:01" (1/3) ... [2024-11-02 11:24:03,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19402f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:03, skipping insertion in model container [2024-11-02 11:24:03,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:02" (2/3) ... [2024-11-02 11:24:03,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19402f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:24:03, skipping insertion in model container [2024-11-02 11:24:03,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:24:03" (3/3) ... [2024-11-02 11:24:03,106 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-91.i [2024-11-02 11:24:03,124 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:24:03,124 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:24:03,201 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:24:03,207 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;@64ccddc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:24:03,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:24:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-02 11:24:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-02 11:24:03,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:24:03,223 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:24:03,224 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:24:03,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:24:03,229 INFO L85 PathProgramCache]: Analyzing trace with hash 123178100, now seen corresponding path program 1 times [2024-11-02 11:24:03,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:24:03,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41556912] [2024-11-02 11:24:03,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:24:03,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 11:24:03,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:24:03,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/mathsat -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) [2024-11-02 11:24:03,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e0291c-7c93-4827-8ee8-0a7c640d0dd7/bin/utaipan-verify-DbMuA5NWw2/mathsat -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 [2024-11-02 11:24:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:24:03,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-02 11:24:03,592 INFO L278 TraceCheckSpWp]: Computing forward predicates...