./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E --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 aefc3819119098044c907ff26053410d2cb0cf50c17d46011b6486debfa94f96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:56:50,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:56:50,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:56:50,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:56:50,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:56:50,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:56:50,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:56:50,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:56:50,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:56:50,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:56:50,392 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:56:50,392 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:56:50,392 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:56:50,392 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:56:50,392 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:56:50,392 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:56:50,393 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:56:50,393 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:56:50,393 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:56:50,393 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:56:50,393 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:56:50,394 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:56:50,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:56:50,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:56:50,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:56:50,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:56:50,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:56:50,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:56:50,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:56:50,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:56:50,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:56:50,396 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:56:50,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:56:50,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:56:50,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:56:50,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:56:50,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:56:50,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:56:50,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:56:50,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:56:50,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:56:50,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:56:50,397 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:56:50,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:56:50,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:56:50,398 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:56:50,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:56:50,398 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E 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 -> aefc3819119098044c907ff26053410d2cb0cf50c17d46011b6486debfa94f96 [2024-11-14 03:56:50,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:56:50,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:56:50,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:56:50,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:56:50,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:56:50,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i Unable to find full path for "g++" [2024-11-14 03:56:52,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:56:53,205 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:56:53,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i [2024-11-14 03:56:53,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/data/2aca68640/75f06480aac045b4a493a94ce5757a67/FLAG25b3581a8 [2024-11-14 03:56:53,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/data/2aca68640/75f06480aac045b4a493a94ce5757a67 [2024-11-14 03:56:53,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:56:53,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:56:53,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:56:53,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:56:53,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:56:53,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b724104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53, skipping insertion in model container [2024-11-14 03:56:53,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:56:53,698 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_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i[913,926] [2024-11-14 03:56:53,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:56:53,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:56:53,806 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_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i[913,926] [2024-11-14 03:56:53,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:56:53,856 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:56:53,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53 WrapperNode [2024-11-14 03:56:53,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:56:53,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:56:53,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:56:53,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:56:53,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,926 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-14 03:56:53,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:56:53,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:56:53,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:56:53,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:56:53,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:53,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:56:53,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:56:53,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:56:53,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:56:53,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (1/1) ... [2024-11-14 03:56:54,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:56:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:56:54,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:56:54,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:56:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:56:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:56:54,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:56:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:56:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:56:54,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:56:54,191 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:56:54,193 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:56:54,663 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 03:56:54,663 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:56:54,850 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:56:54,850 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:56:54,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:56:54 BoogieIcfgContainer [2024-11-14 03:56:54,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:56:54,858 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:56:54,858 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:56:54,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:56:54,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:56:53" (1/3) ... [2024-11-14 03:56:54,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f42533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:56:54, skipping insertion in model container [2024-11-14 03:56:54,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:56:53" (2/3) ... [2024-11-14 03:56:54,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f42533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:56:54, skipping insertion in model container [2024-11-14 03:56:54,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:56:54" (3/3) ... [2024-11-14 03:56:54,867 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-49.i [2024-11-14 03:56:54,885 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:56:54,887 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-49.i that has 2 procedures, 31 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:56:54,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:56:55,003 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;@7390234e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:56:55,003 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:56:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 03:56:55,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-14 03:56:55,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:56:55,019 INFO L215 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:56:55,019 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:56:55,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:56:55,028 INFO L85 PathProgramCache]: Analyzing trace with hash 834813841, now seen corresponding path program 1 times [2024-11-14 03:56:55,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:56:55,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823780610] [2024-11-14 03:56:55,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:56:55,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:56:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:56:55,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:56:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:56:55,836 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:56:55,838 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:56:55,840 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:56:55,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:56:55,847 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:56:55,917 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:56:55,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:56:55 BoogieIcfgContainer [2024-11-14 03:56:55,927 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:56:55,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:56:55,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:56:55,930 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:56:55,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:56:54" (3/4) ... [2024-11-14 03:56:55,935 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:56:55,936 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:56:55,939 INFO L158 Benchmark]: Toolchain (without parser) took 2446.18ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 69.0MB in the end (delta: 50.1MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-11-14 03:56:55,940 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:56:55,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.76ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 105.6MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:56:55,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.17ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 101.6MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:56:55,941 INFO L158 Benchmark]: Boogie Preprocessor took 63.98ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:56:55,942 INFO L158 Benchmark]: RCFGBuilder took 859.07ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 66.3MB in the end (delta: 33.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:56:55,942 INFO L158 Benchmark]: TraceAbstraction took 1069.51ms. Allocated memory is still 142.6MB. Free memory was 65.8MB in the beginning and 69.6MB in the end (delta: -3.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-14 03:56:55,944 INFO L158 Benchmark]: Witness Printer took 6.86ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 69.0MB in the end (delta: 583.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:56:55,947 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.76ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 105.6MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.17ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 101.6MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.98ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 100.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 859.07ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 66.3MB in the end (delta: 33.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1069.51ms. Allocated memory is still 142.6MB. Free memory was 65.8MB in the beginning and 69.6MB in the end (delta: -3.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Witness Printer took 6.86ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 69.0MB in the end (delta: 583.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 38, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] float var_1_2 = 1000000000000000.4; [L24] float var_1_3 = 1000.2; [L25] unsigned short int var_1_4 = 256; [L26] unsigned short int var_1_5 = 4; [L27] unsigned short int var_1_6 = 10; [L28] signed short int var_1_8 = 128; [L29] signed short int var_1_9 = -2; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] unsigned char var_1_12 = 0; [L33] unsigned char var_1_13 = 1; [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] FCALL updateLastVariables() [L99] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_float() [L66] 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=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_3=5001/5, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) [L66] 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=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_3=5001/5, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L67] var_1_3 = __VERIFIER_nondet_float() [L68] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=256, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L69] var_1_4 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L71] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=4, var_1_6=10, var_1_8=128, var_1_9=-2] [L72] var_1_5 = __VERIFIER_nondet_ushort() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_6=10, var_1_8=128, var_1_9=-2] [L74] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=10, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=10, var_1_8=128, var_1_9=-2] [L75] var_1_6 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_8=128, var_1_9=-2] [L77] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=-2] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=-2] [L78] var_1_9 = __VERIFIER_nondet_short() [L79] CALL assume_abort_if_not(var_1_9 >= -32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 >= -32766) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L80] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L81] var_1_11 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L83] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-256, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-256, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-256, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-256, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L86] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-256, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-256, var_1_12=0, var_1_13=1, var_1_1=4, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=128, var_1_9=32766] [L99] RET updateVariables() [L100] CALL step() [L37] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) [L38] EXPR 50 >> var_1_4 [L38] COND TRUE (50 >> var_1_4) <= var_1_8 [L39] var_1_10 = ((! (! var_1_11)) || var_1_12) [L43] COND TRUE ! var_1_12 [L44] COND TRUE var_1_4 >= ((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8))) [L45] var_1_13 = (var_1_10 && var_1_11) [L50] COND FALSE !(var_1_2 >= 64.5f) [L61] var_1_1 = 50 [L100] RET step() [L101] CALL, EXPR property() [L91] EXPR (((var_1_2 >= 64.5f) ? ((var_1_2 >= var_1_3) ? (var_1_1 == ((unsigned short int) (((((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) < 0 ) ? -((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : ((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))))))) : (var_1_13 ? (var_1_1 == ((unsigned short int) var_1_5)) : (var_1_1 == ((unsigned short int) var_1_6)))) : (var_1_1 == ((unsigned short int) 50))) && (var_1_8 == ((signed short int) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && (((50 >> var_1_4) <= var_1_8) ? (var_1_10 == ((unsigned char) ((! (! var_1_11)) || var_1_12))) : (var_1_10 == ((unsigned char) (! var_1_11)))) [L91-L92] return ((((var_1_2 >= 64.5f) ? ((var_1_2 >= var_1_3) ? (var_1_1 == ((unsigned short int) (((((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) < 0 ) ? -((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : ((((var_1_4) > (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))))) ? (var_1_4) : (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))))))) : (var_1_13 ? (var_1_1 == ((unsigned short int) var_1_5)) : (var_1_1 == ((unsigned short int) var_1_6)))) : (var_1_1 == ((unsigned short int) 50))) && (var_1_8 == ((signed short int) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && (((50 >> var_1_4) <= var_1_8) ? (var_1_10 == ((unsigned char) ((! (! var_1_11)) || var_1_12))) : (var_1_10 == ((unsigned char) (! var_1_11))))) && ((! var_1_12) ? ((var_1_4 >= ((((var_1_6) < (var_1_8)) ? (var_1_6) : (var_1_8)))) ? (var_1_13 == ((unsigned char) (var_1_10 && var_1_11))) : (var_1_13 == ((unsigned char) var_1_11))) : 1) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=-256, var_1_12=0, var_1_13=0, var_1_1=50, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=32766, var_1_9=32766] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=-256, var_1_12=0, var_1_13=0, var_1_1=50, var_1_4=32766, var_1_5=-32769, var_1_6=98303, var_1_8=32766, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 14, 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=31occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 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 [2024-11-14 03:56:55,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E --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 aefc3819119098044c907ff26053410d2cb0cf50c17d46011b6486debfa94f96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:56:58,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:56:58,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:56:58,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:56:58,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:56:58,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:56:58,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:56:58,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:56:58,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:56:58,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:56:58,821 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:56:58,822 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:56:58,822 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:56:58,822 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:56:58,822 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:56:58,822 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:56:58,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:56:58,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:56:58,825 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:56:58,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:56:58,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:56:58,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:56:58,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:56:58,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:56:58,826 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:56:58,826 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:56:58,826 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:56:58,826 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:56:58,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:56:58,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:56:58,827 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:56:58,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:56:58,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:56:58,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:56:58,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:56:58,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:56:58,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:56:58,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:56:58,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:56:58,829 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:56:58,829 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:56:58,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:56:58,829 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:56:58,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E 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 -> aefc3819119098044c907ff26053410d2cb0cf50c17d46011b6486debfa94f96 [2024-11-14 03:56:59,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:56:59,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:56:59,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:56:59,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:56:59,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:56:59,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i Unable to find full path for "g++" [2024-11-14 03:57:01,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:57:01,445 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:57:01,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i [2024-11-14 03:57:01,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/data/4f2afc315/00b39b560bf84319a254181403a5343d/FLAG68049373f [2024-11-14 03:57:01,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/data/4f2afc315/00b39b560bf84319a254181403a5343d [2024-11-14 03:57:01,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:57:01,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:57:01,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:57:01,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:57:01,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:57:01,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:01,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272cc880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01, skipping insertion in model container [2024-11-14 03:57:01,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:01,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:57:01,748 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_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i[913,926] [2024-11-14 03:57:01,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:57:01,869 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:57:01,884 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_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-49.i[913,926] [2024-11-14 03:57:01,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:57:01,963 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:57:01,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01 WrapperNode [2024-11-14 03:57:01,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:57:01,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:57:01,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:57:01,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:57:01,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:01,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:02,039 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2024-11-14 03:57:02,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:57:02,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:57:02,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:57:02,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:57:02,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:02,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:02,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:02,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:02,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:02,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:02,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:02,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:02,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:57:02,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:57:02,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:57:02,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:57:02,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (1/1) ... [2024-11-14 03:57:02,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:57:02,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:57:02,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:57:02,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:57:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:57:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:57:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:57:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:57:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:57:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:57:02,318 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:57:02,321 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:57:02,665 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 03:57:02,666 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:57:02,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:57:02,682 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:57:02,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:57:02 BoogieIcfgContainer [2024-11-14 03:57:02,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:57:02,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:57:02,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:57:02,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:57:02,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:57:01" (1/3) ... [2024-11-14 03:57:02,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e359ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:57:02, skipping insertion in model container [2024-11-14 03:57:02,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:57:01" (2/3) ... [2024-11-14 03:57:02,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e359ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:57:02, skipping insertion in model container [2024-11-14 03:57:02,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:57:02" (3/3) ... [2024-11-14 03:57:02,696 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-49.i [2024-11-14 03:57:02,716 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:57:02,718 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-49.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:57:02,793 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:57:02,815 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;@2a05d034, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:57:02,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:57:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 03:57:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-14 03:57:02,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:57:02,838 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:57:02,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:57:02,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:57:02,846 INFO L85 PathProgramCache]: Analyzing trace with hash -834343704, now seen corresponding path program 1 times [2024-11-14 03:57:02,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:57:02,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175227349] [2024-11-14 03:57:02,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:57:02,867 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 [2024-11-14 03:57:02,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:57:02,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 03:57:02,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 03:57:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:57:03,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:57:03,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:57:03,311 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-14 03:57:03,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:57:03,312 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:57:03,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175227349] [2024-11-14 03:57:03,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175227349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:57:03,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:57:03,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:57:03,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437677496] [2024-11-14 03:57:03,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:57:03,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:57:03,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:57:03,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:57:03,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:57:03,347 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 03:57:03,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:57:03,387 INFO L93 Difference]: Finished difference Result 87 states and 146 transitions. [2024-11-14 03:57:03,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:57:03,390 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 90 [2024-11-14 03:57:03,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:57:03,400 INFO L225 Difference]: With dead ends: 87 [2024-11-14 03:57:03,400 INFO L226 Difference]: Without dead ends: 43 [2024-11-14 03:57:03,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:57:03,411 INFO L432 NwaCegarLoop]: 62 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, 62 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 [2024-11-14 03:57:03,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:57:03,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-14 03:57:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-14 03:57:03,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 03:57:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 62 transitions. [2024-11-14 03:57:03,475 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 62 transitions. Word has length 90 [2024-11-14 03:57:03,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:57:03,476 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 62 transitions. [2024-11-14 03:57:03,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 03:57:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2024-11-14 03:57:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-14 03:57:03,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:57:03,502 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:57:03,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:57:03,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:57:03,703 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:57:03,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:57:03,704 INFO L85 PathProgramCache]: Analyzing trace with hash -937704084, now seen corresponding path program 1 times [2024-11-14 03:57:03,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:57:03,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391931483] [2024-11-14 03:57:03,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:57:03,707 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 [2024-11-14 03:57:03,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:57:03,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 03:57:03,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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 [2024-11-14 03:57:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:57:03,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:57:03,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:57:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-14 03:57:04,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:57:04,112 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:57:04,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391931483] [2024-11-14 03:57:04,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391931483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:57:04,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:57:04,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:57:04,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847015481] [2024-11-14 03:57:04,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:57:04,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:57:04,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:57:04,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:57:04,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:57:04,116 INFO L87 Difference]: Start difference. First operand 43 states and 62 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 03:57:04,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:57:04,472 INFO L93 Difference]: Finished difference Result 91 states and 128 transitions. [2024-11-14 03:57:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:57:04,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 90 [2024-11-14 03:57:04,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:57:04,476 INFO L225 Difference]: With dead ends: 91 [2024-11-14 03:57:04,476 INFO L226 Difference]: Without dead ends: 51 [2024-11-14 03:57:04,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:57:04,478 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 43 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:57:04,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 99 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:57:04,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-14 03:57:04,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2024-11-14 03:57:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 03:57:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 64 transitions. [2024-11-14 03:57:04,496 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 64 transitions. Word has length 90 [2024-11-14 03:57:04,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:57:04,496 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 64 transitions. [2024-11-14 03:57:04,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-14 03:57:04,497 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2024-11-14 03:57:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-14 03:57:04,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:57:04,502 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:57:04,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 03:57:04,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:57:04,703 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:57:04,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:57:04,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1854098801, now seen corresponding path program 1 times [2024-11-14 03:57:04,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:57:04,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120655293] [2024-11-14 03:57:04,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:57:04,705 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 [2024-11-14 03:57:04,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:57:04,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat -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) [2024-11-14 03:57:04,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef4c5a75-bdac-4797-95fb-6e05d2151f1c/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 03:57:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:57:04,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 03:57:04,958 INFO L278 TraceCheckSpWp]: Computing forward predicates...