./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX --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 a690a19e2d41bbc14b3960c21812e80405a4291ef4154c7125f66fa1ebbf9c8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:55:26,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:55:26,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 00:55:26,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:55:26,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:55:26,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:55:26,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:55:26,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:55:26,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:55:26,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:55:26,634 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:55:26,635 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:55:26,636 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:55:26,637 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:55:26,638 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:55:26,638 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:55:26,639 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:55:26,639 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:55:26,640 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:55:26,640 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:55:26,641 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:55:26,641 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:55:26,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:55:26,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:55:26,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:55:26,644 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:55:26,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:55:26,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:55:26,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:55:26,646 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:55:26,648 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:55:26,648 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:55:26,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:55:26,649 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:55:26,649 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:55:26,649 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:55:26,650 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:55:26,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:55:26,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:55:26,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:26,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:55:26,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:55:26,652 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:55:26,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:55:26,653 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:55:26,653 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:55:26,654 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_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a690a19e2d41bbc14b3960c21812e80405a4291ef4154c7125f66fa1ebbf9c8f [2023-11-12 00:55:26,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:55:26,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:55:26,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:55:26,970 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:55:26,970 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:55:26,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2023-11-12 00:55:30,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:55:30,327 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:55:30,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/sv-benchmarks/c/weaver/parallel-barrier-loop.wvr.c [2023-11-12 00:55:30,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/data/4cc8d08c9/6ec503df842143d2a0ed6962322d2fad/FLAGfde055b3b [2023-11-12 00:55:30,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/data/4cc8d08c9/6ec503df842143d2a0ed6962322d2fad [2023-11-12 00:55:30,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:55:30,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:55:30,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:30,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:55:30,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:55:30,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6837a35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30, skipping insertion in model container [2023-11-12 00:55:30,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:55:30,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:30,620 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:55:30,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:30,670 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:30,670 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:30,679 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:55:30,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30 WrapperNode [2023-11-12 00:55:30,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:30,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:30,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:55:30,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:55:30,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,740 INFO L138 Inliner]: procedures = 25, calls = 121, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 273 [2023-11-12 00:55:30,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:30,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:55:30,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:55:30,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:55:30,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:55:30,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:55:30,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:55:30,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:55:30,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (1/1) ... [2023-11-12 00:55:30,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:30,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:55:30,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:55:30,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b93865e3-9ba9-4126-9a9c-d92c5f79af90/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:55:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:55:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:55:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:55:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:55:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:55:30,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:55:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:55:30,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:55:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:55:30,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:55:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:55:30,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:55:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:55:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-12 00:55:30,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-12 00:55:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-12 00:55:30,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-12 00:55:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:55:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:55:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:55:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:55:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:55:30,899 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:55:31,046 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:55:31,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:55:31,785 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:55:31,903 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:55:31,903 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:55:31,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:31 BoogieIcfgContainer [2023-11-12 00:55:31,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:55:31,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:55:31,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:55:31,931 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:55:31,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:55:30" (1/3) ... [2023-11-12 00:55:31,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd7d2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:31, skipping insertion in model container [2023-11-12 00:55:31,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:30" (2/3) ... [2023-11-12 00:55:31,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd7d2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:31, skipping insertion in model container [2023-11-12 00:55:31,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:31" (3/3) ... [2023-11-12 00:55:31,938 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier-loop.wvr.c [2023-11-12 00:55:31,977 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:55:31,977 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-11-12 00:55:31,977 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:55:32,150 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-12 00:55:32,193 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:55:32,209 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 314 places, 309 transitions, 684 flow [2023-11-12 00:55:32,212 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 314 places, 309 transitions, 684 flow [2023-11-12 00:55:32,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 314 places, 309 transitions, 684 flow [2023-11-12 00:55:32,356 INFO L124 PetriNetUnfolderBase]: 14/277 cut-off events. [2023-11-12 00:55:32,356 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-12 00:55:32,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 277 events. 14/277 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 547 event pairs, 0 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 228. Up to 3 conditions per place. [2023-11-12 00:55:32,383 INFO L119 LiptonReduction]: Number of co-enabled transitions 16468 [2023-11-12 00:55:39,936 INFO L134 LiptonReduction]: Checked pairs total: 109527 [2023-11-12 00:55:39,936 INFO L136 LiptonReduction]: Total number of compositions: 223 [2023-11-12 00:55:39,945 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 148 places, 137 transitions, 340 flow