./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/reorder_5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/reorder_5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41850eb6fd386c6f0f40e76b0dfccb7c973d8ab2a3ee3a82b04526b3663119f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:48:51,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:48:51,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-14 02:48:51,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:48:51,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:48:51,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:48:51,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:48:51,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:48:51,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:48:51,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:48:51,526 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:48:51,527 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:48:51,527 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:48:51,527 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:48:51,527 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:48:51,528 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:48:51,528 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:48:51,528 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:48:51,528 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:48:51,528 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:48:51,528 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:48:51,528 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:48:51,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 02:48:51,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:48:51,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:48:51,530 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:48:51,530 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:48:51,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:48:51,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:48:51,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:48:51,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:48:51,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:48:51,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:48:51,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:48:51,530 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:48:51,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:48:51,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:48:51,531 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:48:51,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:48:51,531 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_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 41850eb6fd386c6f0f40e76b0dfccb7c973d8ab2a3ee3a82b04526b3663119f9 [2024-11-14 02:48:51,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:48:51,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:48:51,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:48:51,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:48:51,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:48:51,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread/reorder_5-2.i Unable to find full path for "g++" [2024-11-14 02:48:53,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:48:54,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:48:54,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/sv-benchmarks/c/pthread/reorder_5-2.i [2024-11-14 02:48:54,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/data/6c9776f59/16b50cbb3a754859949a4616c6fac163/FLAG938340928 [2024-11-14 02:48:54,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/data/6c9776f59/16b50cbb3a754859949a4616c6fac163 [2024-11-14 02:48:54,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:48:54,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:48:54,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:48:54,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:48:54,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:48:54,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:54,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44240588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54, skipping insertion in model container [2024-11-14 02:48:54,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:54,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:48:54,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:48:54,758 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:48:54,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:48:54,918 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:48:54,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54 WrapperNode [2024-11-14 02:48:54,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:48:54,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:48:54,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:48:54,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:48:54,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:54,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:54,988 INFO L138 Inliner]: procedures = 371, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 133 [2024-11-14 02:48:54,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:48:54,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:48:54,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:48:54,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:48:54,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:54,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:55,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:55,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:55,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:55,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:55,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:55,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:55,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:48:55,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:48:55,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:48:55,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:48:55,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (1/1) ... [2024-11-14 02:48:55,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:48:55,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:48:55,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:48:55,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:48:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 02:48:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:48:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:48:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 02:48:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:48:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-14 02:48:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-14 02:48:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:48:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:48:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-14 02:48:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-14 02:48:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:48:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:48:55,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:48:55,109 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 02:48:55,246 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:48:55,248 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:48:55,610 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 02:48:55,610 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:48:55,806 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:48:55,806 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 02:48:55,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:48:55 BoogieIcfgContainer [2024-11-14 02:48:55,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:48:55,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:48:55,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:48:55,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:48:55,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:48:54" (1/3) ... [2024-11-14 02:48:55,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40bdec17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:48:55, skipping insertion in model container [2024-11-14 02:48:55,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:48:54" (2/3) ... [2024-11-14 02:48:55,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40bdec17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:48:55, skipping insertion in model container [2024-11-14 02:48:55,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:48:55" (3/3) ... [2024-11-14 02:48:55,821 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_5-2.i [2024-11-14 02:48:55,836 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:48:55,839 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG reorder_5-2.i that has 3 procedures, 48 locations, 1 initial locations, 4 loop locations, and 12 error locations. [2024-11-14 02:48:55,840 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 02:48:55,911 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-14 02:48:55,948 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 56 transitions, 132 flow [2024-11-14 02:48:56,070 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1143 states, 1081 states have (on average 2.6382978723404253) internal successors, (2852), 1142 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:56,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:48:56,108 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=None, 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;@7eb5ab02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:48:56,108 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-14 02:48:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 1143 states, 1081 states have (on average 2.6382978723404253) internal successors, (2852), 1142 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:56,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 02:48:56,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:48:56,118 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 02:48:56,119 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] === [2024-11-14 02:48:56,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:48:56,125 INFO L85 PathProgramCache]: Analyzing trace with hash 12139081, now seen corresponding path program 1 times [2024-11-14 02:48:56,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:48:56,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331722921] [2024-11-14 02:48:56,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:48:56,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:48:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:48:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:48:56,300 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:48:56,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331722921] [2024-11-14 02:48:56,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331722921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:48:56,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:48:56,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 02:48:56,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393099156] [2024-11-14 02:48:56,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:48:56,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:48:56,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:48:56,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:48:56,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:48:56,339 INFO L87 Difference]: Start difference. First operand has 1143 states, 1081 states have (on average 2.6382978723404253) internal successors, (2852), 1142 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:56,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:48:56,490 INFO L93 Difference]: Finished difference Result 2279 states and 5695 transitions. [2024-11-14 02:48:56,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:48:56,497 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-14 02:48:56,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:48:56,581 INFO L225 Difference]: With dead ends: 2279 [2024-11-14 02:48:56,583 INFO L226 Difference]: Without dead ends: 1122 [2024-11-14 02:48:56,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 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 02:48:56,597 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:48:56,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:48:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2024-11-14 02:48:56,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1122. [2024-11-14 02:48:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1067 states have (on average 2.515463917525773) internal successors, (2684), 1121 states have internal predecessors, (2684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 2684 transitions. [2024-11-14 02:48:56,750 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 2684 transitions. Word has length 4 [2024-11-14 02:48:56,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:48:56,750 INFO L471 AbstractCegarLoop]: Abstraction has 1122 states and 2684 transitions. [2024-11-14 02:48:56,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:56,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2684 transitions. [2024-11-14 02:48:56,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 02:48:56,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:48:56,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 02:48:56,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:48:56,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] === [2024-11-14 02:48:56,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:48:56,753 INFO L85 PathProgramCache]: Analyzing trace with hash 376381622, now seen corresponding path program 1 times [2024-11-14 02:48:56,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:48:56,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625011772] [2024-11-14 02:48:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:48:56,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:48:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:48:57,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:48:57,038 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:48:57,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625011772] [2024-11-14 02:48:57,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625011772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:48:57,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:48:57,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:48:57,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608256351] [2024-11-14 02:48:57,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:48:57,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:48:57,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:48:57,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:48:57,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:48:57,042 INFO L87 Difference]: Start difference. First operand 1122 states and 2684 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:57,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:48:57,166 INFO L93 Difference]: Finished difference Result 1122 states and 2684 transitions. [2024-11-14 02:48:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:48:57,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 02:48:57,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:48:57,176 INFO L225 Difference]: With dead ends: 1122 [2024-11-14 02:48:57,176 INFO L226 Difference]: Without dead ends: 1062 [2024-11-14 02:48:57,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:48:57,181 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 39 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:48:57,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 29 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:48:57,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-11-14 02:48:57,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1062. [2024-11-14 02:48:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 1015 states have (on average 2.504433497536946) internal successors, (2542), 1061 states have internal predecessors, (2542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 2542 transitions. [2024-11-14 02:48:57,233 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 2542 transitions. Word has length 5 [2024-11-14 02:48:57,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:48:57,233 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 2542 transitions. [2024-11-14 02:48:57,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:57,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 2542 transitions. [2024-11-14 02:48:57,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 02:48:57,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:48:57,235 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 02:48:57,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:48:57,236 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] === [2024-11-14 02:48:57,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:48:57,237 INFO L85 PathProgramCache]: Analyzing trace with hash 376381623, now seen corresponding path program 1 times [2024-11-14 02:48:57,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:48:57,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082253032] [2024-11-14 02:48:57,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:48:57,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:48:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:48:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:48:57,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:48:57,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082253032] [2024-11-14 02:48:57,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082253032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:48:57,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:48:57,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:48:57,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937943286] [2024-11-14 02:48:57,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:48:57,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 02:48:57,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:48:57,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 02:48:57,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:48:57,578 INFO L87 Difference]: Start difference. First operand 1062 states and 2542 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:57,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:48:57,805 INFO L93 Difference]: Finished difference Result 2224 states and 5258 transitions. [2024-11-14 02:48:57,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:48:57,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 02:48:57,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:48:57,821 INFO L225 Difference]: With dead ends: 2224 [2024-11-14 02:48:57,822 INFO L226 Difference]: Without dead ends: 2057 [2024-11-14 02:48:57,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:48:57,825 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 57 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:48:57,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 87 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:48:57,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2024-11-14 02:48:57,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 1065. [2024-11-14 02:48:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1018 states have (on average 2.5) internal successors, (2545), 1064 states have internal predecessors, (2545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:57,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 2545 transitions. [2024-11-14 02:48:57,888 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 2545 transitions. Word has length 5 [2024-11-14 02:48:57,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:48:57,889 INFO L471 AbstractCegarLoop]: Abstraction has 1065 states and 2545 transitions. [2024-11-14 02:48:57,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 2545 transitions. [2024-11-14 02:48:57,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 02:48:57,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:48:57,891 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:48:57,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 02:48:57,891 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] === [2024-11-14 02:48:57,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:48:57,894 INFO L85 PathProgramCache]: Analyzing trace with hash 842636231, now seen corresponding path program 1 times [2024-11-14 02:48:57,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:48:57,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106292187] [2024-11-14 02:48:57,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:48:57,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:48:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:48:57,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:48:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:48:57,958 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:48:57,959 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:48:57,960 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 15 remaining) [2024-11-14 02:48:57,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (13 of 15 remaining) [2024-11-14 02:48:57,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX (12 of 15 remaining) [2024-11-14 02:48:57,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (11 of 15 remaining) [2024-11-14 02:48:57,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 15 remaining) [2024-11-14 02:48:57,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 15 remaining) [2024-11-14 02:48:57,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 15 remaining) [2024-11-14 02:48:57,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 15 remaining) [2024-11-14 02:48:57,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 15 remaining) [2024-11-14 02:48:57,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 15 remaining) [2024-11-14 02:48:57,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 15 remaining) [2024-11-14 02:48:57,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK (3 of 15 remaining) [2024-11-14 02:48:57,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 15 remaining) [2024-11-14 02:48:57,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 15 remaining) [2024-11-14 02:48:57,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 15 remaining) [2024-11-14 02:48:57,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 02:48:57,965 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-14 02:48:57,987 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 02:48:57,987 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:48:57,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:48:57 BasicIcfg [2024-11-14 02:48:57,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:48:57,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:48:57,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:48:57,995 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:48:57,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:48:55" (3/4) ... [2024-11-14 02:48:57,998 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:48:57,999 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:48:58,000 INFO L158 Benchmark]: Toolchain (without parser) took 3855.02ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 38.0MB in the end (delta: 51.7MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2024-11-14 02:48:58,000 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:48:58,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.05ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 51.4MB in the end (delta: 38.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 02:48:58,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.43ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 49.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:48:58,001 INFO L158 Benchmark]: Boogie Preprocessor took 51.92ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 47.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:48:58,002 INFO L158 Benchmark]: RCFGBuilder took 767.53ms. Allocated memory is still 117.4MB. Free memory was 47.6MB in the beginning and 72.0MB in the end (delta: -24.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-14 02:48:58,002 INFO L158 Benchmark]: TraceAbstraction took 2181.94ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 38.8MB in the end (delta: 32.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-11-14 02:48:58,002 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 117.4MB. Free memory was 38.8MB in the beginning and 38.0MB in the end (delta: 784.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:48:58,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 773.05ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 51.4MB in the end (delta: 38.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.43ms. Allocated memory is still 117.4MB. Free memory was 51.4MB in the beginning and 49.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.92ms. Allocated memory is still 117.4MB. Free memory was 49.0MB in the beginning and 47.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 767.53ms. Allocated memory is still 117.4MB. Free memory was 47.6MB in the beginning and 72.0MB in the end (delta: -24.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2181.94ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 38.8MB in the end (delta: 32.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 117.4MB. Free memory was 38.8MB in the beginning and 38.0MB in the end (delta: 784.6kB). 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: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: overapproximation of sscanf at line 1246, overapproximation of sscanf at line 1245. Possible FailurePath: [L1229] static int iSet = 4; [L1230] static int iCheck = 1; [L1231] static int a = 0; [L1232] static int b = 0; [L1239] int i, err; VAL [\old(argc)=3, \old(argv)={1073741825:1073741826}, a=0, argc=3, b=0, iCheck=1, iSet=4] [L1240] COND TRUE argc != 1 VAL [\old(argc)=3, \old(argv)={1073741825:1073741826}, a=0, argc=3, b=0, iCheck=1, iSet=4] [L1241] COND FALSE !(argc != 3) VAL [\old(argc)=3, \old(argv)={1073741825:1073741826}, a=0, argc=3, b=0, iCheck=1, iSet=4] [L1245] argv[1] [L1246] argv[2] [L1249] pthread_t setPool[iSet]; [L1250] pthread_t checkPool[iCheck]; [L1251] i = 0 VAL [\old(argc)=3, \old(argv)={1073741825:1073741826}, a=0, argc=3, b=0, checkPool={4:0}, i=0, iCheck=0, iSet=1073741824, setPool={5:0}] [L1251] COND TRUE i < iSet - UnprovableResult [Line: 11]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1245]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1252]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 63 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 86 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1143occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 992 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 02:48:58,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/reorder_5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41850eb6fd386c6f0f40e76b0dfccb7c973d8ab2a3ee3a82b04526b3663119f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:49:00,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:49:00,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2024-11-14 02:49:00,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:49:00,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:49:00,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:49:00,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:49:00,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:49:00,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:49:00,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:49:00,864 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:49:00,864 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:49:00,864 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:49:00,864 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:49:00,865 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:49:00,865 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:49:00,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 02:49:00,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 02:49:00,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:49:00,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:49:00,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:49:00,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:49:00,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:49:00,868 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 02:49:00,869 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 02:49:00,869 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 02:49:00,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:49:00,869 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:49:00,869 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:49:00,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:49:00,869 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:49:00,869 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:49:00,869 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:49:00,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:49:00,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:49:00,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:49:00,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:49:00,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:49:00,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:49:00,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:49:00,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:49:00,871 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:49:00,871 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:49:00,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:49:00,871 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:49:00,871 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_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 41850eb6fd386c6f0f40e76b0dfccb7c973d8ab2a3ee3a82b04526b3663119f9 [2024-11-14 02:49:01,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:49:01,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:49:01,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:49:01,227 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:49:01,227 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:49:01,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread/reorder_5-2.i Unable to find full path for "g++" [2024-11-14 02:49:03,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:49:03,513 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:49:03,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/sv-benchmarks/c/pthread/reorder_5-2.i [2024-11-14 02:49:03,555 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/data/9ace7e86e/2b63bc89e45143ada3defb0c5af4743a/FLAGbfb971221 [2024-11-14 02:49:03,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/data/9ace7e86e/2b63bc89e45143ada3defb0c5af4743a [2024-11-14 02:49:03,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:49:03,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:49:03,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:49:03,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:49:03,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:49:03,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:49:03" (1/1) ... [2024-11-14 02:49:03,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2182161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:03, skipping insertion in model container [2024-11-14 02:49:03,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:49:03" (1/1) ... [2024-11-14 02:49:03,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:49:04,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:49:04,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:49:04,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:49:04,451 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:49:04,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04 WrapperNode [2024-11-14 02:49:04,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:49:04,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:49:04,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:49:04,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:49:04,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,529 INFO L138 Inliner]: procedures = 374, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 132 [2024-11-14 02:49:04,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:49:04,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:49:04,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:49:04,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:49:04,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:49:04,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:49:04,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:49:04,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:49:04,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (1/1) ... [2024-11-14 02:49:04,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:49:04,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:49:04,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:49:04,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:49:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 02:49:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 02:49:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:49:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:49:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 02:49:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:49:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 02:49:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-14 02:49:04,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-14 02:49:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:49:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-14 02:49:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-14 02:49:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:49:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:49:04,674 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 02:49:04,885 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:49:04,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:49:05,337 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 02:49:05,337 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:49:05,561 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:49:05,561 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 02:49:05,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:49:05 BoogieIcfgContainer [2024-11-14 02:49:05,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:49:05,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:49:05,564 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:49:05,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:49:05,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:49:03" (1/3) ... [2024-11-14 02:49:05,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1a0644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:49:05, skipping insertion in model container [2024-11-14 02:49:05,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:49:04" (2/3) ... [2024-11-14 02:49:05,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1a0644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:49:05, skipping insertion in model container [2024-11-14 02:49:05,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:49:05" (3/3) ... [2024-11-14 02:49:05,573 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_5-2.i [2024-11-14 02:49:05,588 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:49:05,589 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG reorder_5-2.i that has 3 procedures, 48 locations, 1 initial locations, 4 loop locations, and 12 error locations. [2024-11-14 02:49:05,590 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 02:49:05,655 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-14 02:49:05,688 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 56 transitions, 132 flow [2024-11-14 02:49:05,845 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1143 states, 1081 states have (on average 2.6382978723404253) internal successors, (2852), 1142 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:05,873 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:49:05,886 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=None, 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;@9a4b339, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:49:05,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-14 02:49:05,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 1143 states, 1081 states have (on average 2.6382978723404253) internal successors, (2852), 1142 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:05,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 02:49:05,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:49:05,896 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 02:49:05,897 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] === [2024-11-14 02:49:05,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:49:05,900 INFO L85 PathProgramCache]: Analyzing trace with hash 12077513, now seen corresponding path program 1 times [2024-11-14 02:49:05,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:49:05,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656585118] [2024-11-14 02:49:05,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:49:05,908 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 02:49:05,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:49:05,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:05,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:49:06,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 02:49:06,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:49:06,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:49:06,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:49:06,032 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:49:06,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656585118] [2024-11-14 02:49:06,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656585118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:49:06,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:49:06,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 02:49:06,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418790087] [2024-11-14 02:49:06,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:49:06,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:49:06,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:49:06,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:49:06,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:49:06,062 INFO L87 Difference]: Start difference. First operand has 1143 states, 1081 states have (on average 2.6382978723404253) internal successors, (2852), 1142 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:06,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:49:06,225 INFO L93 Difference]: Finished difference Result 2279 states and 5695 transitions. [2024-11-14 02:49:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:49:06,227 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-14 02:49:06,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:49:06,260 INFO L225 Difference]: With dead ends: 2279 [2024-11-14 02:49:06,260 INFO L226 Difference]: Without dead ends: 1122 [2024-11-14 02:49:06,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 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 02:49:06,277 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:49:06,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:49:06,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2024-11-14 02:49:06,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1122. [2024-11-14 02:49:06,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1067 states have (on average 2.515463917525773) internal successors, (2684), 1121 states have internal predecessors, (2684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 2684 transitions. [2024-11-14 02:49:06,430 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 2684 transitions. Word has length 4 [2024-11-14 02:49:06,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:49:06,430 INFO L471 AbstractCegarLoop]: Abstraction has 1122 states and 2684 transitions. [2024-11-14 02:49:06,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:06,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2684 transitions. [2024-11-14 02:49:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 02:49:06,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:49:06,431 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 02:49:06,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:06,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:06,632 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] === [2024-11-14 02:49:06,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:49:06,633 INFO L85 PathProgramCache]: Analyzing trace with hash 374473012, now seen corresponding path program 1 times [2024-11-14 02:49:06,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:49:06,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307236138] [2024-11-14 02:49:06,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:49:06,634 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 02:49:06,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:49:06,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:06,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:49:06,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:49:06,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:49:06,827 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-11-14 02:49:06,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-11-14 02:49:06,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:49:06,854 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:49:06,854 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:49:06,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307236138] [2024-11-14 02:49:06,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307236138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:49:06,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:49:06,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:49:06,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284014734] [2024-11-14 02:49:06,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:49:06,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:49:06,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:49:06,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:49:06,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:49:06,858 INFO L87 Difference]: Start difference. First operand 1122 states and 2684 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:07,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:49:07,006 INFO L93 Difference]: Finished difference Result 1122 states and 2684 transitions. [2024-11-14 02:49:07,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:49:07,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 02:49:07,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:49:07,035 INFO L225 Difference]: With dead ends: 1122 [2024-11-14 02:49:07,035 INFO L226 Difference]: Without dead ends: 1062 [2024-11-14 02:49:07,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:49:07,036 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 39 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:49:07,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 29 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:49:07,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2024-11-14 02:49:07,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 1062. [2024-11-14 02:49:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 1015 states have (on average 2.504433497536946) internal successors, (2542), 1061 states have internal predecessors, (2542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 2542 transitions. [2024-11-14 02:49:07,085 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 2542 transitions. Word has length 5 [2024-11-14 02:49:07,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:49:07,086 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 2542 transitions. [2024-11-14 02:49:07,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:07,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 2542 transitions. [2024-11-14 02:49:07,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 02:49:07,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:49:07,087 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 02:49:07,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:07,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:07,288 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] === [2024-11-14 02:49:07,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:49:07,289 INFO L85 PathProgramCache]: Analyzing trace with hash 374473013, now seen corresponding path program 1 times [2024-11-14 02:49:07,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:49:07,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806074878] [2024-11-14 02:49:07,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:49:07,291 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 02:49:07,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:49:07,293 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:07,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:49:07,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:49:07,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:49:07,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:49:07,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 5 [2024-11-14 02:49:07,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-14 02:49:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:49:07,492 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:49:07,492 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:49:07,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806074878] [2024-11-14 02:49:07,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806074878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:49:07,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:49:07,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:49:07,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229212354] [2024-11-14 02:49:07,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:49:07,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:49:07,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:49:07,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:49:07,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:49:07,494 INFO L87 Difference]: Start difference. First operand 1062 states and 2542 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:07,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:49:07,838 INFO L93 Difference]: Finished difference Result 2224 states and 5258 transitions. [2024-11-14 02:49:07,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:49:07,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 02:49:07,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:49:07,852 INFO L225 Difference]: With dead ends: 2224 [2024-11-14 02:49:07,853 INFO L226 Difference]: Without dead ends: 2057 [2024-11-14 02:49:07,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:49:07,855 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 58 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:49:07,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 87 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:49:07,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2024-11-14 02:49:07,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 1065. [2024-11-14 02:49:07,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1018 states have (on average 2.5) internal successors, (2545), 1064 states have internal predecessors, (2545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 2545 transitions. [2024-11-14 02:49:07,922 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 2545 transitions. Word has length 5 [2024-11-14 02:49:07,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:49:07,923 INFO L471 AbstractCegarLoop]: Abstraction has 1065 states and 2545 transitions. [2024-11-14 02:49:07,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:49:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 2545 transitions. [2024-11-14 02:49:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 02:49:07,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:49:07,923 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:49:07,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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)] Ended with exit code 0 [2024-11-14 02:49:08,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:08,124 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (and 12 more)] === [2024-11-14 02:49:08,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:49:08,126 INFO L85 PathProgramCache]: Analyzing trace with hash -182191417, now seen corresponding path program 1 times [2024-11-14 02:49:08,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:49:08,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529866928] [2024-11-14 02:49:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:49:08,126 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 02:49:08,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:49:08,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:08,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 (5)] Waiting until timeout for monitored process [2024-11-14 02:49:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:49:08,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:49:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:49:08,259 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 02:49:08,261 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:49:08,262 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 15 remaining) [2024-11-14 02:49:08,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (13 of 15 remaining) [2024-11-14 02:49:08,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX (12 of 15 remaining) [2024-11-14 02:49:08,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONARRAY_INDEX (11 of 15 remaining) [2024-11-14 02:49:08,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 15 remaining) [2024-11-14 02:49:08,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 15 remaining) [2024-11-14 02:49:08,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 15 remaining) [2024-11-14 02:49:08,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 15 remaining) [2024-11-14 02:49:08,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 15 remaining) [2024-11-14 02:49:08,268 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 15 remaining) [2024-11-14 02:49:08,269 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 15 remaining) [2024-11-14 02:49:08,269 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK (3 of 15 remaining) [2024-11-14 02:49:08,269 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 15 remaining) [2024-11-14 02:49:08,269 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 15 remaining) [2024-11-14 02:49:08,269 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 15 remaining) [2024-11-14 02:49:08,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 (5)] Forceful destruction successful, exit code 0 [2024-11-14 02:49:08,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 02:49:08,474 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-14 02:49:08,503 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 02:49:08,503 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:49:08,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:49:08 BasicIcfg [2024-11-14 02:49:08,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:49:08,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:49:08,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:49:08,512 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:49:08,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:49:05" (3/4) ... [2024-11-14 02:49:08,514 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:49:08,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:49:08,518 INFO L158 Benchmark]: Toolchain (without parser) took 4939.93ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 67.7MB in the end (delta: 25.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-14 02:49:08,518 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:49:08,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 874.52ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 53.0MB in the end (delta: 40.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-14 02:49:08,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.90ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 50.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:49:08,519 INFO L158 Benchmark]: Boogie Preprocessor took 61.32ms. Allocated memory is still 117.4MB. Free memory was 50.5MB in the beginning and 48.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:49:08,520 INFO L158 Benchmark]: RCFGBuilder took 969.13ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 64.0MB in the end (delta: -15.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-14 02:49:08,520 INFO L158 Benchmark]: TraceAbstraction took 2946.87ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 67.7MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:49:08,520 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 67.7MB in the end (delta: 15.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:49:08,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 874.52ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 53.0MB in the end (delta: 40.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.90ms. Allocated memory is still 117.4MB. Free memory was 53.0MB in the beginning and 50.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.32ms. Allocated memory is still 117.4MB. Free memory was 50.5MB in the beginning and 48.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 969.13ms. Allocated memory is still 117.4MB. Free memory was 48.9MB in the beginning and 64.0MB in the end (delta: -15.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2946.87ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 67.7MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 67.7MB in the end (delta: 15.0kB). 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: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: overapproximation of sscanf at line 1246, overapproximation of sscanf at line 1245. Possible FailurePath: [L1229] static int iSet = 4; [L1230] static int iCheck = 1; [L1231] static int a = 0; [L1232] static int b = 0; [L1239] int i, err; VAL [\old(argc)=3, \old(argv)={8:6}, a=0, argc=3, b=0, iCheck=1, iSet=4] [L1240] COND TRUE argc != 1 VAL [\old(argc)=3, \old(argv)={8:6}, a=0, argc=3, b=0, iCheck=1, iSet=4] [L1241] COND FALSE !(argc != 3) VAL [\old(argc)=3, \old(argv)={8:6}, a=0, argc=3, b=0, iCheck=1, iSet=4] [L1245] argv[1] [L1246] argv[2] [L1249] pthread_t setPool[iSet]; [L1250] pthread_t checkPool[iCheck]; [L1251] i = 0 VAL [\old(argc)=3, \old(argv)={8:6}, a=0, argc=3, b=0, checkPool={7:0}, i=0, iCheck=0, iSet=1073741824, setPool={5:0}] [L1251] COND TRUE i < iSet - UnprovableResult [Line: 11]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1245]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that array index is always in bounds Unable to prove that array index is always in bounds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1258]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1252]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 63 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 86 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1143occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 992 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 3 NumberOfNonLiveVariables, 109 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 02:49:08,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_135d35d8-e85b-466b-a9bb-2aad7a5a5d9f/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample