./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12_variant-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12_variant-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ff08c0361e0fdb1af5d85b333c023f31932563eeba591605f3b3b9ddd16afc8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:21,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:21,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 05:25:21,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:21,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:21,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:21,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:21,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:21,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:21,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:21,814 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:21,815 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:21,815 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:21,816 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:25:21,816 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:21,817 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:21,817 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:25:21,818 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:25:21,818 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:21,819 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:25:21,819 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:25:21,820 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:25:21,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:21,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:21,821 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:25:21,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:25:21,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:25:21,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:21,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:21,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:21,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:21,824 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 05:25:21,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:25:21,825 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:25:21,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:21,826 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:21,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:21,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:21,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:21,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:21,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:21,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:21,829 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:25:21,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:25:21,829 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:21,830 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:21,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:21,830 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_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ff08c0361e0fdb1af5d85b333c023f31932563eeba591605f3b3b9ddd16afc8 [2023-11-19 05:25:22,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:22,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:22,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:22,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:22,153 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:22,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/pthread-lit/sssc12_variant-pthread.i [2023-11-19 05:25:25,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:25,607 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:25,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/sv-benchmarks/c/pthread-lit/sssc12_variant-pthread.i [2023-11-19 05:25:25,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/data/27ccd3daa/2fbf186f64924d3c987b50d2a937e193/FLAGf8d7589bd [2023-11-19 05:25:25,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/data/27ccd3daa/2fbf186f64924d3c987b50d2a937e193 [2023-11-19 05:25:25,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:25,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:25,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:25,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:25,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:25,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:25" (1/1) ... [2023-11-19 05:25:25,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46002ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:25, skipping insertion in model container [2023-11-19 05:25:25,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:25" (1/1) ... [2023-11-19 05:25:25,725 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:26,120 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:25:26,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:26,280 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:26,328 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:25:26,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:26,428 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:25:26,436 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:26,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26 WrapperNode [2023-11-19 05:25:26,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:26,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:26,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:26,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:26,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,508 INFO L138 Inliner]: procedures = 273, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 141 [2023-11-19 05:25:26,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:26,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:26,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:26,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:26,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:26,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:26,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:26,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:26,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:26,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:26,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:26,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359d5c1a-06ba-4037-b42c-bc34e17139f1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:26,629 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2023-11-19 05:25:26,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2023-11-19 05:25:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:25:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:25:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:25:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:25:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 05:25:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:25:26,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:26,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:25:26,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:26,635 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:25:26,837 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:26,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:27,148 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:27,159 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:27,159 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:25:27,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:27 BoogieIcfgContainer [2023-11-19 05:25:27,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:27,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:27,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:27,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:27,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:25" (1/3) ... [2023-11-19 05:25:27,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f0e9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:27, skipping insertion in model container [2023-11-19 05:25:27,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26" (2/3) ... [2023-11-19 05:25:27,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f0e9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:27, skipping insertion in model container [2023-11-19 05:25:27,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:27" (3/3) ... [2023-11-19 05:25:27,172 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant-pthread.i [2023-11-19 05:25:27,181 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 05:25:27,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:27,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-11-19 05:25:27,193 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:25:27,283 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 05:25:27,319 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:25:27,334 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 169 transitions, 342 flow [2023-11-19 05:25:27,337 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 169 transitions, 342 flow [2023-11-19 05:25:27,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 169 transitions, 342 flow [2023-11-19 05:25:27,407 INFO L124 PetriNetUnfolderBase]: 9/182 cut-off events. [2023-11-19 05:25:27,407 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 05:25:27,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 182 events. 9/182 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 157 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 100. Up to 4 conditions per place. [2023-11-19 05:25:27,419 INFO L119 LiptonReduction]: Number of co-enabled transitions 2720 [2023-11-19 05:25:34,428 INFO L134 LiptonReduction]: Checked pairs total: 3049 [2023-11-19 05:25:34,429 INFO L136 LiptonReduction]: Total number of compositions: 229 [2023-11-19 05:25:34,437 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 30 places, 29 transitions, 62 flow [2023-11-19 05:25:34,455 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 88 states, 59 states have (on average 2.6440677966101696) internal successors, (156), 87 states have internal predecessors, (156), 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) [2023-11-19 05:25:34,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:34,480 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12740526, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:34,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2023-11-19 05:25:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 59 states have (on average 2.6440677966101696) internal successors, (156), 87 states have internal predecessors, (156), 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) [2023-11-19 05:25:34,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2023-11-19 05:25:34,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:34,488 INFO L195 NwaCegarLoop]: trace histogram [1] [2023-11-19 05:25:34,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-11-19 05:25:34,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:34,494 INFO L85 PathProgramCache]: Analyzing trace with hash 720, now seen corresponding path program 1 times [2023-11-19 05:25:34,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:34,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349780526] [2023-11-19 05:25:34,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:34,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:34,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:25:34,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:25:34,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349780526] [2023-11-19 05:25:34,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349780526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:34,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:34,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 05:25:34,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177498550] [2023-11-19 05:25:34,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:34,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:25:34,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:25:34,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:25:34,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:25:34,648 INFO L87 Difference]: Start difference. First operand has 88 states, 59 states have (on average 2.6440677966101696) internal successors, (156), 87 states have internal predecessors, (156), 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 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2023-11-19 05:25:34,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:34,695 INFO L93 Difference]: Finished difference Result 23 states and 38 transitions. [2023-11-19 05:25:34,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:25:34,698 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2023-11-19 05:25:34,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:34,705 INFO L225 Difference]: With dead ends: 23 [2023-11-19 05:25:34,706 INFO L226 Difference]: Without dead ends: 23 [2023-11-19 05:25:34,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:25:34,710 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:34,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:25:34,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-11-19 05:25:34,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-19 05:25:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 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) [2023-11-19 05:25:34,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2023-11-19 05:25:34,743 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 1 [2023-11-19 05:25:34,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:34,743 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2023-11-19 05:25:34,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2023-11-19 05:25:34,744 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2023-11-19 05:25:34,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 05:25:34,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:34,744 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-19 05:25:34,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:25:34,745 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] === [2023-11-19 05:25:34,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:34,746 INFO L85 PathProgramCache]: Analyzing trace with hash -337721927, now seen corresponding path program 1 times [2023-11-19 05:25:34,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:34,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852538931] [2023-11-19 05:25:34,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:34,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:34,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:25:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:34,843 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:25:34,843 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:25:34,845 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 29 remaining) [2023-11-19 05:25:34,846 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining) [2023-11-19 05:25:34,847 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining) [2023-11-19 05:25:34,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining) [2023-11-19 05:25:34,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining) [2023-11-19 05:25:34,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining) [2023-11-19 05:25:34,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 29 remaining) [2023-11-19 05:25:34,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining) [2023-11-19 05:25:34,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining) [2023-11-19 05:25:34,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining) [2023-11-19 05:25:34,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining) [2023-11-19 05:25:34,855 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining) [2023-11-19 05:25:34,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining) [2023-11-19 05:25:34,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining) [2023-11-19 05:25:34,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining) [2023-11-19 05:25:34,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining) [2023-11-19 05:25:34,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining) [2023-11-19 05:25:34,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (11 of 29 remaining) [2023-11-19 05:25:34,857 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (10 of 29 remaining) [2023-11-19 05:25:34,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining) [2023-11-19 05:25:34,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining) [2023-11-19 05:25:34,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining) [2023-11-19 05:25:34,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining) [2023-11-19 05:25:34,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining) [2023-11-19 05:25:34,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining) [2023-11-19 05:25:34,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining) [2023-11-19 05:25:34,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining) [2023-11-19 05:25:34,861 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining) [2023-11-19 05:25:34,864 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining) [2023-11-19 05:25:34,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:25:34,866 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 05:25:34,870 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-19 05:25:34,871 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-19 05:25:34,930 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 05:25:34,935 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:25:34,936 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 255 transitions, 520 flow [2023-11-19 05:25:34,936 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 255 transitions, 520 flow [2023-11-19 05:25:34,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 255 transitions, 520 flow [2023-11-19 05:25:35,026 INFO L124 PetriNetUnfolderBase]: 15/283 cut-off events. [2023-11-19 05:25:35,026 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 05:25:35,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 283 events. 15/283 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 544 event pairs, 0 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 185. Up to 6 conditions per place. [2023-11-19 05:25:35,047 INFO L119 LiptonReduction]: Number of co-enabled transitions 20060 [2023-11-19 05:25:42,932 INFO L134 LiptonReduction]: Checked pairs total: 247873 [2023-11-19 05:25:42,933 INFO L136 LiptonReduction]: Total number of compositions: 292 [2023-11-19 05:25:42,939 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 109 places, 110 transitions, 230 flow [2023-11-19 05:25:43,424 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12933 states, 12629 states have (on average 2.9733153852244834) internal successors, (37550), 12932 states have internal predecessors, (37550), 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) [2023-11-19 05:25:43,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:43,427 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12740526, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:43,427 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2023-11-19 05:25:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 12933 states, 12629 states have (on average 2.9733153852244834) internal successors, (37550), 12932 states have internal predecessors, (37550), 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) [2023-11-19 05:25:43,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2023-11-19 05:25:43,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:43,481 INFO L195 NwaCegarLoop]: trace histogram [1] [2023-11-19 05:25:43,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2023-11-19 05:25:43,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:43,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1313, now seen corresponding path program 1 times [2023-11-19 05:25:43,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:43,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051042251] [2023-11-19 05:25:43,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:43,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:25:43,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:25:43,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051042251] [2023-11-19 05:25:43,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051042251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:43,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:43,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 05:25:43,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439820363] [2023-11-19 05:25:43,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:43,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:25:43,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:25:43,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:25:43,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:25:43,556 INFO L87 Difference]: Start difference. First operand has 12933 states, 12629 states have (on average 2.9733153852244834) internal successors, (37550), 12932 states have internal predecessors, (37550), 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 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2023-11-19 05:25:43,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:43,869 INFO L93 Difference]: Finished difference Result 8991 states and 25459 transitions. [2023-11-19 05:25:43,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:25:43,869 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2023-11-19 05:25:43,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:44,089 INFO L225 Difference]: With dead ends: 8991 [2023-11-19 05:25:44,089 INFO L226 Difference]: Without dead ends: 8991 [2023-11-19 05:25:44,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:25:44,090 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:44,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:25:44,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8991 states. [2023-11-19 05:25:44,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8991 to 8991. [2023-11-19 05:25:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8991 states, 8927 states have (on average 2.851909936148762) internal successors, (25459), 8990 states have internal predecessors, (25459), 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) [2023-11-19 05:25:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8991 states to 8991 states and 25459 transitions. [2023-11-19 05:25:44,522 INFO L78 Accepts]: Start accepts. Automaton has 8991 states and 25459 transitions. Word has length 1 [2023-11-19 05:25:44,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:44,522 INFO L495 AbstractCegarLoop]: Abstraction has 8991 states and 25459 transitions. [2023-11-19 05:25:44,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2023-11-19 05:25:44,523 INFO L276 IsEmpty]: Start isEmpty. Operand 8991 states and 25459 transitions. [2023-11-19 05:25:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 05:25:44,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:44,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 05:25:44,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:25:44,524 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2023-11-19 05:25:44,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:44,525 INFO L85 PathProgramCache]: Analyzing trace with hash 25728222, now seen corresponding path program 1 times [2023-11-19 05:25:44,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:44,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148482598] [2023-11-19 05:25:44,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:44,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:25:44,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:25:44,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148482598] [2023-11-19 05:25:44,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148482598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:44,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:44,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:25:44,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952826829] [2023-11-19 05:25:44,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:44,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:25:44,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:25:44,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:25:44,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:25:44,693 INFO L87 Difference]: Start difference. First operand 8991 states and 25459 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-19 05:25:45,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:45,177 INFO L93 Difference]: Finished difference Result 15291 states and 43265 transitions. [2023-11-19 05:25:45,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:25:45,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-19 05:25:45,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:45,368 INFO L225 Difference]: With dead ends: 15291 [2023-11-19 05:25:45,368 INFO L226 Difference]: Without dead ends: 15291 [2023-11-19 05:25:45,369 INFO L412 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 [2023-11-19 05:25:45,370 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 77 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:45,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 95 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:25:45,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15291 states. [2023-11-19 05:25:45,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15291 to 9324. [2023-11-19 05:25:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9324 states, 9269 states have (on average 2.845074981119862) internal successors, (26371), 9323 states have internal predecessors, (26371), 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) [2023-11-19 05:25:45,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9324 states to 9324 states and 26371 transitions. [2023-11-19 05:25:45,875 INFO L78 Accepts]: Start accepts. Automaton has 9324 states and 26371 transitions. Word has length 6 [2023-11-19 05:25:45,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:45,876 INFO L495 AbstractCegarLoop]: Abstraction has 9324 states and 26371 transitions. [2023-11-19 05:25:45,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-19 05:25:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 9324 states and 26371 transitions. [2023-11-19 05:25:45,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:25:45,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:45,878 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-19 05:25:45,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:25:45,878 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2023-11-19 05:25:45,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:45,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1199936220, now seen corresponding path program 1 times [2023-11-19 05:25:45,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:45,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770942032] [2023-11-19 05:25:45,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:45,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:45,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:25:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:45,969 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:25:45,969 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:25:45,969 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining) [2023-11-19 05:25:45,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2023-11-19 05:25:45,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2023-11-19 05:25:45,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2023-11-19 05:25:45,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2023-11-19 05:25:45,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2023-11-19 05:25:45,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2023-11-19 05:25:45,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2023-11-19 05:25:45,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2023-11-19 05:25:45,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2023-11-19 05:25:45,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2023-11-19 05:25:45,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2023-11-19 05:25:45,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2023-11-19 05:25:45,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2023-11-19 05:25:45,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2023-11-19 05:25:45,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2023-11-19 05:25:45,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2023-11-19 05:25:45,986 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2023-11-19 05:25:45,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2023-11-19 05:25:45,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2023-11-19 05:25:45,987 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2023-11-19 05:25:45,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2023-11-19 05:25:45,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2023-11-19 05:25:45,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2023-11-19 05:25:45,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2023-11-19 05:25:45,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2023-11-19 05:25:45,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2023-11-19 05:25:45,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2023-11-19 05:25:45,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2023-11-19 05:25:45,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2023-11-19 05:25:45,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2023-11-19 05:25:45,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr2ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2023-11-19 05:25:45,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr5ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2023-11-19 05:25:45,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr3ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2023-11-19 05:25:45,993 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr4ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2023-11-19 05:25:45,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr6ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2023-11-19 05:25:45,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr7ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2023-11-19 05:25:45,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr8ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2023-11-19 05:25:45,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr9ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2023-11-19 05:25:45,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr10ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2023-11-19 05:25:45,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:25:45,995 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 05:25:45,995 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-19 05:25:45,995 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-19 05:25:46,040 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 05:25:46,044 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:25:46,045 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 330 places, 341 transitions, 700 flow [2023-11-19 05:25:46,045 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 330 places, 341 transitions, 700 flow [2023-11-19 05:25:46,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 330 places, 341 transitions, 700 flow [2023-11-19 05:25:46,229 INFO L124 PetriNetUnfolderBase]: 21/384 cut-off events. [2023-11-19 05:25:46,229 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-19 05:25:46,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 384 events. 21/384 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1071 event pairs, 0 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 287. Up to 8 conditions per place. [2023-11-19 05:25:46,264 INFO L119 LiptonReduction]: Number of co-enabled transitions 52020 [2023-11-19 05:25:56,683 INFO L134 LiptonReduction]: Checked pairs total: 695173 [2023-11-19 05:25:56,683 INFO L136 LiptonReduction]: Total number of compositions: 403 [2023-11-19 05:25:56,685 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 156 places, 158 transitions, 334 flow