./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh --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 e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:51:04,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:51:04,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-12-02 17:51:04,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:51:04,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:51:04,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:51:04,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:51:04,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:51:04,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:51:04,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:51:04,857 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:51:04,858 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:51:04,858 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:51:04,859 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:51:04,859 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:51:04,860 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:51:04,860 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:51:04,861 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:51:04,861 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:51:04,862 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:51:04,862 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:51:04,863 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:51:04,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 17:51:04,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 17:51:04,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:51:04,865 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:51:04,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:51:04,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:51:04,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:51:04,867 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 17:51:04,867 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 17:51:04,868 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 17:51:04,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:51:04,868 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:51:04,869 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:51:04,869 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:51:04,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:51:04,869 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:51:04,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:51:04,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:51:04,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:51:04,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:51:04,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:51:04,871 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:51:04,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:51:04,871 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:51:04,871 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:51:04,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:51:04,872 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 [2023-12-02 17:51:05,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:51:05,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:51:05,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:51:05,124 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:51:05,124 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:51:05,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2023-12-02 17:51:07,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:51:08,051 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:51:08,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2023-12-02 17:51:08,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/data/626e99a23/36380e81dc79443ab4d6c93b5ffe85ac/FLAGbe474c6c0 [2023-12-02 17:51:08,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/data/626e99a23/36380e81dc79443ab4d6c93b5ffe85ac [2023-12-02 17:51:08,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:51:08,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:51:08,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:51:08,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:51:08,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:51:08,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f64179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08, skipping insertion in model container [2023-12-02 17:51:08,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,122 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:51:08,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:51:08,331 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:51:08,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:51:08,375 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:08,375 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 17:51:08,381 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:51:08,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08 WrapperNode [2023-12-02 17:51:08,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:51:08,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:51:08,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:51:08,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:51:08,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,438 INFO L138 Inliner]: procedures = 27, calls = 131, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 379 [2023-12-02 17:51:08,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:51:08,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:51:08,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:51:08,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:51:08,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:51:08,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:51:08,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:51:08,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:51:08,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (1/1) ... [2023-12-02 17:51:08,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:51:08,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:51:08,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:51:08,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87540a79-37ad-4cc6-bc2e-b6ca48a40c31/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:51:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:51:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:51:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:51:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:51:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 17:51:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 17:51:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 17:51:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 17:51:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 17:51:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 17:51:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 17:51:08,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 17:51:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:51:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-12-02 17:51:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-12-02 17:51:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-12-02 17:51:08,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-12-02 17:51:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-12-02 17:51:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-12-02 17:51:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2023-12-02 17:51:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2023-12-02 17:51:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 17:51:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 17:51:08,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:51:08,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:51:08,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:51:08,557 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 17:51:08,695 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:51:08,697 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:51:09,173 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:51:09,496 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:51:09,497 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 17:51:09,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:09 BoogieIcfgContainer [2023-12-02 17:51:09,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:51:09,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:51:09,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:51:09,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:51:09,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:51:08" (1/3) ... [2023-12-02 17:51:09,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527455e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:51:09, skipping insertion in model container [2023-12-02 17:51:09,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:51:08" (2/3) ... [2023-12-02 17:51:09,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527455e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:51:09, skipping insertion in model container [2023-12-02 17:51:09,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:51:09" (3/3) ... [2023-12-02 17:51:09,507 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2023-12-02 17:51:09,525 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:51:09,526 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-12-02 17:51:09,526 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 17:51:09,626 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2023-12-02 17:51:09,659 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 167 places, 142 transitions, 340 flow