./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:53:42,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:53:42,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:53:42,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:53:42,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:53:42,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:53:42,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:53:42,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:53:42,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:53:42,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:53:42,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:53:42,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:53:42,800 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:53:42,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:53:42,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:53:42,808 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:53:42,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:53:42,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:53:42,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:53:42,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:53:42,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:53:42,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:53:42,816 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:53:42,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:53:42,817 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:53:42,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:53:42,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:53:42,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:53:42,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:53:42,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:53:42,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:53:42,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:53:42,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:53:42,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:53:42,822 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:53:42,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:53:42,822 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:53:42,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:53:42,823 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:53:42,824 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:53:42,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:53:42,825 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 [2023-11-26 11:53:43,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:53:43,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:53:43,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:53:43,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:53:43,133 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:53:43,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2023-11-26 11:53:46,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:53:46,926 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:53:46,927 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2023-11-26 11:53:46,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/data/79176d1d0/faacbfa7805f41e78e801d60fa7d8b37/FLAG7b21f6c64 [2023-11-26 11:53:46,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/data/79176d1d0/faacbfa7805f41e78e801d60fa7d8b37 [2023-11-26 11:53:46,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:53:46,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:53:46,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:46,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:53:47,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:53:47,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:46" (1/1) ... [2023-11-26 11:53:47,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356c0d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47, skipping insertion in model container [2023-11-26 11:53:47,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:46" (1/1) ... [2023-11-26 11:53:47,080 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:53:47,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:47,785 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:53:47,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:47,932 WARN L675 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:53:47,940 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:53:47,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47 WrapperNode [2023-11-26 11:53:47,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:47,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:47,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:53:47,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:53:47,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:47,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:48,025 INFO L138 Inliner]: procedures = 272, calls = 54, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 129 [2023-11-26 11:53:48,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:48,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:53:48,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:53:48,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:53:48,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:48,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:48,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:48,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:48,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:48,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:48,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:48,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:48,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:53:48,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:53:48,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:53:48,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:53:48,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (1/1) ... [2023-11-26 11:53:48,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:53:48,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:48,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:48,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7263d3b2-4414-4bca-8f68-83dd4a0e7387/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:53:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-11-26 11:53:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:53:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2023-11-26 11:53:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2023-11-26 11:53:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:53:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 11:53:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:53:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 11:53:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:53:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2023-11-26 11:53:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2023-11-26 11:53:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure process [2023-11-26 11:53:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2023-11-26 11:53:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:53:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:53:48,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:53:48,217 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:53:48,639 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:53:48,641 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:53:49,105 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:53:49,168 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:53:49,168 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 11:53:49,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:49 BoogieIcfgContainer [2023-11-26 11:53:49,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:53:49,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:53:49,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:53:49,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:53:49,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:53:46" (1/3) ... [2023-11-26 11:53:49,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b698784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:53:49, skipping insertion in model container [2023-11-26 11:53:49,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:47" (2/3) ... [2023-11-26 11:53:49,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b698784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:53:49, skipping insertion in model container [2023-11-26 11:53:49,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:49" (3/3) ... [2023-11-26 11:53:49,189 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2023-11-26 11:53:49,198 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:53:49,207 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:53:49,208 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-11-26 11:53:49,208 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:53:49,307 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:53:49,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 228 transitions, 468 flow [2023-11-26 11:53:49,494 INFO L124 PetriNetUnfolderBase]: 14/225 cut-off events. [2023-11-26 11:53:49,495 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:53:49,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 225 events. 14/225 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 574 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2023-11-26 11:53:49,511 INFO L82 GeneralOperation]: Start removeDead. Operand has 224 places, 228 transitions, 468 flow [2023-11-26 11:53:49,519 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 221 places, 225 transitions, 459 flow [2023-11-26 11:53:49,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:53:49,538 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=PETRI_NET, 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;@3800ddd7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:53:49,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-11-26 11:53:49,557 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:53:49,557 INFO L124 PetriNetUnfolderBase]: 2/60 cut-off events. [2023-11-26 11:53:49,557 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:53:49,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:53:49,558 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:49,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting generateErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-26 11:53:49,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:49,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1196464441, now seen corresponding path program 1 times [2023-11-26 11:53:49,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:49,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256379552] [2023-11-26 11:53:49,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:49,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:50,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:50,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256379552] [2023-11-26 11:53:50,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256379552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:50,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:50,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:50,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330892265] [2023-11-26 11:53:50,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:50,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:50,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:50,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:50,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:50,252 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 228 [2023-11-26 11:53:50,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 225 transitions, 459 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2023-11-26 11:53:50,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:53:50,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 228 [2023-11-26 11:53:50,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:53:56,450 INFO L124 PetriNetUnfolderBase]: 9716/28692 cut-off events. [2023-11-26 11:53:56,451 INFO L125 PetriNetUnfolderBase]: For 138/138 co-relation queries the response was YES. [2023-11-26 11:53:56,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41455 conditions, 28692 events. 9716/28692 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 720. Compared 337588 event pairs, 5650 based on Foata normal form. 5272/30036 useless extension candidates. Maximal degree in co-relation 41415. Up to 10326 conditions per place. [2023-11-26 11:53:56,939 INFO L140 encePairwiseOnDemand]: 207/228 looper letters, 43 selfloop transitions, 10 changer transitions 0/228 dead transitions. [2023-11-26 11:53:56,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 228 transitions, 577 flow [2023-11-26 11:53:56,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:56,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:53:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 631 transitions. [2023-11-26 11:53:56,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.922514619883041 [2023-11-26 11:53:56,962 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 631 transitions. [2023-11-26 11:53:56,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 631 transitions. [2023-11-26 11:53:56,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:56,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 631 transitions. [2023-11-26 11:53:56,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2023-11-26 11:53:56,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 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) [2023-11-26 11:53:56,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 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) [2023-11-26 11:53:56,986 INFO L175 Difference]: Start difference. First operand has 221 places, 225 transitions, 459 flow. Second operand 3 states and 631 transitions. [2023-11-26 11:53:56,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 228 transitions, 577 flow [2023-11-26 11:53:56,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 228 transitions, 572 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-26 11:53:57,000 INFO L231 Difference]: Finished difference. Result has 210 places, 214 transitions, 494 flow [2023-11-26 11:53:57,002 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=210, PETRI_TRANSITIONS=214} [2023-11-26 11:53:57,006 INFO L281 CegarLoopForPetriNet]: 221 programPoint places, -11 predicate places. [2023-11-26 11:53:57,007 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 214 transitions, 494 flow [2023-11-26 11:53:57,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2023-11-26 11:53:57,008 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:53:57,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:57,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:53:57,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting processErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-26 11:53:57,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:57,010 INFO L85 PathProgramCache]: Analyzing trace with hash -377833528, now seen corresponding path program 1 times [2023-11-26 11:53:57,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:57,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428430389] [2023-11-26 11:53:57,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:57,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:57,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:57,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:57,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428430389] [2023-11-26 11:53:57,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428430389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:57,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:57,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:57,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968724824] [2023-11-26 11:53:57,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:57,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:57,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:57,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:57,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:57,289 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 228 [2023-11-26 11:53:57,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 214 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 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) [2023-11-26 11:53:57,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:53:57,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 228 [2023-11-26 11:53:57,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:08,199 INFO L124 PetriNetUnfolderBase]: 24119/71730 cut-off events. [2023-11-26 11:54:08,199 INFO L125 PetriNetUnfolderBase]: For 11275/11283 co-relation queries the response was YES. [2023-11-26 11:54:08,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114507 conditions, 71730 events. 24119/71730 cut-off events. For 11275/11283 co-relation queries the response was YES. Maximal size of possible extension queue 1789. Compared 965453 event pairs, 6584 based on Foata normal form. 0/63604 useless extension candidates. Maximal degree in co-relation 114468. Up to 18004 conditions per place. [2023-11-26 11:54:08,977 INFO L140 encePairwiseOnDemand]: 209/228 looper letters, 58 selfloop transitions, 21 changer transitions 0/250 dead transitions. [2023-11-26 11:54:08,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 250 transitions, 772 flow [2023-11-26 11:54:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 610 transitions. [2023-11-26 11:54:08,981 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8918128654970761 [2023-11-26 11:54:08,981 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 610 transitions. [2023-11-26 11:54:08,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 610 transitions. [2023-11-26 11:54:08,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:08,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 610 transitions. [2023-11-26 11:54:08,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 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) [2023-11-26 11:54:08,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 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) [2023-11-26 11:54:08,989 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 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) [2023-11-26 11:54:08,989 INFO L175 Difference]: Start difference. First operand has 210 places, 214 transitions, 494 flow. Second operand 3 states and 610 transitions. [2023-11-26 11:54:08,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 250 transitions, 772 flow [2023-11-26 11:54:09,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 250 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:09,184 INFO L231 Difference]: Finished difference. Result has 212 places, 235 transitions, 682 flow [2023-11-26 11:54:09,185 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=212, PETRI_TRANSITIONS=235} [2023-11-26 11:54:09,186 INFO L281 CegarLoopForPetriNet]: 221 programPoint places, -9 predicate places. [2023-11-26 11:54:09,187 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 235 transitions, 682 flow [2023-11-26 11:54:09,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 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) [2023-11-26 11:54:09,191 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:09,191 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:09,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:54:09,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting generateErr1ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-26 11:54:09,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:09,195 INFO L85 PathProgramCache]: Analyzing trace with hash -412325590, now seen corresponding path program 1 times [2023-11-26 11:54:09,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:09,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154626388] [2023-11-26 11:54:09,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:09,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:09,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:09,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154626388] [2023-11-26 11:54:09,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154626388] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:09,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:09,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:09,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948020276] [2023-11-26 11:54:09,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:09,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:09,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:09,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:09,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:09,462 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 228 [2023-11-26 11:54:09,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 235 transitions, 682 flow. Second operand has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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) [2023-11-26 11:54:09,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:09,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 228 [2023-11-26 11:54:09,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:12,727 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([583] L1170-->L1170-1: Formula: (= |v_#race~A~0_4| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_4|} AuxVars[] AssignedVars[#race~A~0][70], [processThread1of1ForFork2InUse, 235#(= |#race~A~0| 0), 29#L1187-3true, 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 86#L1209-3true, 239#true, 155#L1170-1true, generateThread1of1ForFork1InUse, Black: 233#true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:12,727 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-26 11:54:12,727 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2023-11-26 11:54:12,728 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2023-11-26 11:54:12,728 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2023-11-26 11:54:13,120 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([583] L1170-->L1170-1: Formula: (= |v_#race~A~0_4| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_4|} AuxVars[] AssignedVars[#race~A~0][70], [processThread1of1ForFork2InUse, 235#(= |#race~A~0| 0), 29#L1187-3true, 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 103#L1210-3true, 239#true, generateThread1of1ForFork1InUse, 155#L1170-1true, Black: 233#true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:13,120 INFO L294 olderBase$Statistics]: this new event has 87 ancestors and is cut-off event [2023-11-26 11:54:13,121 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2023-11-26 11:54:13,121 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2023-11-26 11:54:13,121 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2023-11-26 11:54:14,268 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([593] L1170-5-->L1170-6: Formula: (= |v_processThread1of1ForFork2_#t~nondet9_3| |v_#race~A~0_7|) InVars {processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|} OutVars{processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|, #race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][99], [processThread1of1ForFork2InUse, 29#L1187-3true, 233#true, 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, 138#L1170-6true, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 86#L1209-3true, 239#true, generateThread1of1ForFork1InUse, Black: 235#(= |#race~A~0| 0), disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:14,268 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2023-11-26 11:54:14,268 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-26 11:54:14,268 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-26 11:54:14,269 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-26 11:54:14,271 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([583] L1170-->L1170-1: Formula: (= |v_#race~A~0_4| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_4|} AuxVars[] AssignedVars[#race~A~0][70], [processThread1of1ForFork2InUse, 235#(= |#race~A~0| 0), 16#L1194-3true, 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 86#L1209-3true, 239#true, generateThread1of1ForFork1InUse, 155#L1170-1true, Black: 233#true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:14,271 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2023-11-26 11:54:14,272 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-26 11:54:14,272 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-26 11:54:14,272 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-26 11:54:14,512 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([583] L1170-->L1170-1: Formula: (= |v_#race~A~0_4| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_4|} AuxVars[] AssignedVars[#race~A~0][70], [processThread1of1ForFork2InUse, 235#(= |#race~A~0| 0), 16#L1194-3true, 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 103#L1210-3true, 239#true, generateThread1of1ForFork1InUse, 155#L1170-1true, Black: 233#true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:14,513 INFO L294 olderBase$Statistics]: this new event has 92 ancestors and is cut-off event [2023-11-26 11:54:14,513 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-26 11:54:14,513 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-26 11:54:14,513 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-26 11:54:14,738 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([593] L1170-5-->L1170-6: Formula: (= |v_processThread1of1ForFork2_#t~nondet9_3| |v_#race~A~0_7|) InVars {processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|} OutVars{processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|, #race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][99], [processThread1of1ForFork2InUse, 29#L1187-3true, 233#true, 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, 138#L1170-6true, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 103#L1210-3true, 239#true, generateThread1of1ForFork1InUse, Black: 235#(= |#race~A~0| 0), disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:14,738 INFO L294 olderBase$Statistics]: this new event has 92 ancestors and is cut-off event [2023-11-26 11:54:14,738 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-26 11:54:14,738 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-26 11:54:14,738 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-26 11:54:15,232 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([583] L1170-->L1170-1: Formula: (= |v_#race~A~0_4| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_4|} AuxVars[] AssignedVars[#race~A~0][70], [processThread1of1ForFork2InUse, 235#(= |#race~A~0| 0), 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 86#L1209-3true, 22#L1190-3true, 239#true, generateThread1of1ForFork1InUse, 155#L1170-1true, Black: 233#true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:15,232 INFO L294 olderBase$Statistics]: this new event has 93 ancestors and is cut-off event [2023-11-26 11:54:15,233 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2023-11-26 11:54:15,233 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2023-11-26 11:54:15,233 INFO L297 olderBase$Statistics]: existing Event has 93 ancestors and is cut-off event [2023-11-26 11:54:15,457 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([583] L1170-->L1170-1: Formula: (= |v_#race~A~0_4| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_4|} AuxVars[] AssignedVars[#race~A~0][70], [processThread1of1ForFork2InUse, 235#(= |#race~A~0| 0), 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 103#L1210-3true, 22#L1190-3true, 239#true, generateThread1of1ForFork1InUse, 155#L1170-1true, Black: 233#true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:15,457 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2023-11-26 11:54:15,457 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 11:54:15,457 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 11:54:15,457 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 11:54:15,669 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([593] L1170-5-->L1170-6: Formula: (= |v_processThread1of1ForFork2_#t~nondet9_3| |v_#race~A~0_7|) InVars {processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|} OutVars{processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|, #race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][99], [processThread1of1ForFork2InUse, 16#L1194-3true, 233#true, 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 138#L1170-6true, 86#L1209-3true, 239#true, Black: 235#(= |#race~A~0| 0), generateThread1of1ForFork1InUse, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:15,669 INFO L294 olderBase$Statistics]: this new event has 95 ancestors and is cut-off event [2023-11-26 11:54:15,669 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 11:54:15,670 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 11:54:15,670 INFO L297 olderBase$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-11-26 11:54:16,410 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([593] L1170-5-->L1170-6: Formula: (= |v_processThread1of1ForFork2_#t~nondet9_3| |v_#race~A~0_7|) InVars {processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|} OutVars{processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|, #race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][99], [processThread1of1ForFork2InUse, 16#L1194-3true, 233#true, 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 138#L1170-6true, 103#L1210-3true, 239#true, Black: 235#(= |#race~A~0| 0), generateThread1of1ForFork1InUse, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:16,411 INFO L294 olderBase$Statistics]: this new event has 97 ancestors and is cut-off event [2023-11-26 11:54:16,411 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2023-11-26 11:54:16,411 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2023-11-26 11:54:16,411 INFO L297 olderBase$Statistics]: existing Event has 97 ancestors and is cut-off event [2023-11-26 11:54:16,702 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([593] L1170-5-->L1170-6: Formula: (= |v_processThread1of1ForFork2_#t~nondet9_3| |v_#race~A~0_7|) InVars {processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|} OutVars{processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|, #race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][99], [processThread1of1ForFork2InUse, 233#true, 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 138#L1170-6true, 86#L1209-3true, 22#L1190-3true, 239#true, generateThread1of1ForFork1InUse, Black: 235#(= |#race~A~0| 0), disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:16,702 INFO L294 olderBase$Statistics]: this new event has 98 ancestors and is cut-off event [2023-11-26 11:54:16,702 INFO L297 olderBase$Statistics]: existing Event has 98 ancestors and is cut-off event [2023-11-26 11:54:16,703 INFO L297 olderBase$Statistics]: existing Event has 98 ancestors and is cut-off event [2023-11-26 11:54:16,703 INFO L297 olderBase$Statistics]: existing Event has 98 ancestors and is cut-off event [2023-11-26 11:54:17,260 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([593] L1170-5-->L1170-6: Formula: (= |v_processThread1of1ForFork2_#t~nondet9_3| |v_#race~A~0_7|) InVars {processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|} OutVars{processThread1of1ForFork2_#t~nondet9=|v_processThread1of1ForFork2_#t~nondet9_3|, #race~A~0=|v_#race~A~0_7|} AuxVars[] AssignedVars[#race~A~0][99], [processThread1of1ForFork2InUse, 233#true, 78#generateErr0ASSERT_VIOLATIONDATA_RACEtrue, 138#L1170-6true, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 22#L1190-3true, 103#L1210-3true, 239#true, Black: 235#(= |#race~A~0| 0), generateThread1of1ForFork1InUse, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:17,260 INFO L294 olderBase$Statistics]: this new event has 100 ancestors and is cut-off event [2023-11-26 11:54:17,261 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is cut-off event [2023-11-26 11:54:17,261 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is cut-off event [2023-11-26 11:54:17,261 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is cut-off event [2023-11-26 11:54:24,102 INFO L124 PetriNetUnfolderBase]: 33152/98536 cut-off events. [2023-11-26 11:54:24,103 INFO L125 PetriNetUnfolderBase]: For 47027/48776 co-relation queries the response was YES. [2023-11-26 11:54:24,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174377 conditions, 98536 events. 33152/98536 cut-off events. For 47027/48776 co-relation queries the response was YES. Maximal size of possible extension queue 2388. Compared 1376005 event pairs, 14490 based on Foata normal form. 190/86687 useless extension candidates. Maximal degree in co-relation 174337. Up to 35683 conditions per place. [2023-11-26 11:54:25,604 INFO L140 encePairwiseOnDemand]: 217/228 looper letters, 65 selfloop transitions, 18 changer transitions 0/265 dead transitions. [2023-11-26 11:54:25,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 265 transitions, 982 flow [2023-11-26 11:54:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 612 transitions. [2023-11-26 11:54:25,608 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8947368421052632 [2023-11-26 11:54:25,608 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 612 transitions. [2023-11-26 11:54:25,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 612 transitions. [2023-11-26 11:54:25,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:25,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 612 transitions. [2023-11-26 11:54:25,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 204.0) internal successors, (612), 3 states have internal predecessors, (612), 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) [2023-11-26 11:54:25,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 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) [2023-11-26 11:54:25,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 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) [2023-11-26 11:54:25,617 INFO L175 Difference]: Start difference. First operand has 212 places, 235 transitions, 682 flow. Second operand 3 states and 612 transitions. [2023-11-26 11:54:25,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 265 transitions, 982 flow [2023-11-26 11:54:25,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 265 transitions, 926 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:25,669 INFO L231 Difference]: Finished difference. Result has 214 places, 251 transitions, 834 flow [2023-11-26 11:54:25,670 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=214, PETRI_TRANSITIONS=251} [2023-11-26 11:54:25,671 INFO L281 CegarLoopForPetriNet]: 221 programPoint places, -7 predicate places. [2023-11-26 11:54:25,671 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 251 transitions, 834 flow [2023-11-26 11:54:25,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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) [2023-11-26 11:54:25,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:25,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:25,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:54:25,673 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONDATA_RACE === [processErr0ASSERT_VIOLATIONDATA_RACE, processErr1ASSERT_VIOLATIONDATA_RACE, processErr2ASSERT_VIOLATIONDATA_RACE, processErr3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-26 11:54:25,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:25,673 INFO L85 PathProgramCache]: Analyzing trace with hash -940029026, now seen corresponding path program 1 times [2023-11-26 11:54:25,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:25,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519239908] [2023-11-26 11:54:25,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:25,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:25,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519239908] [2023-11-26 11:54:25,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519239908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:25,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:25,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:25,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239337664] [2023-11-26 11:54:25,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:25,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:25,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:25,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:25,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:25,870 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 228 [2023-11-26 11:54:25,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 251 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2023-11-26 11:54:25,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:25,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 228 [2023-11-26 11:54:25,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:26,653 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([578] L1169-->L1169-1: Formula: (= |v_#race~A~0_1| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_1|} AuxVars[] AssignedVars[#race~A~0][185], [processThread1of1ForFork2InUse, Black: 241#(= |generateThread1of1ForFork1_#t~nondet4| |#race~A~0|), 160#L1208-2true, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 109#L1159-4true, 245#true, 239#true, generateThread1of1ForFork1InUse, 92#L1169-1true, Black: 233#true, 89#$Ultimate##0true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:26,653 INFO L294 olderBase$Statistics]: this new event has 79 ancestors and is cut-off event [2023-11-26 11:54:26,653 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:54:26,653 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:54:26,653 INFO L297 olderBase$Statistics]: existing Event has 79 ancestors and is cut-off event [2023-11-26 11:54:26,852 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([578] L1169-->L1169-1: Formula: (= |v_#race~A~0_1| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_1|} AuxVars[] AssignedVars[#race~A~0][118], [processThread1of1ForFork2InUse, Black: 241#(= |generateThread1of1ForFork1_#t~nondet4| |#race~A~0|), 200#L1160true, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 160#L1208-2true, 245#true, 239#true, generateThread1of1ForFork1InUse, 92#L1169-1true, Black: 233#true, 89#$Ultimate##0true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:26,852 INFO L294 olderBase$Statistics]: this new event has 80 ancestors and is cut-off event [2023-11-26 11:54:26,852 INFO L297 olderBase$Statistics]: existing Event has 70 ancestors and is cut-off event [2023-11-26 11:54:26,853 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 11:54:26,853 INFO L297 olderBase$Statistics]: existing Event has 70 ancestors and is cut-off event [2023-11-26 11:54:27,690 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([578] L1169-->L1169-1: Formula: (= |v_#race~A~0_1| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_1|} AuxVars[] AssignedVars[#race~A~0][118], [processThread1of1ForFork2InUse, Black: 241#(= |generateThread1of1ForFork1_#t~nondet4| |#race~A~0|), 160#L1208-2true, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 11#L1161true, 245#true, 239#true, generateThread1of1ForFork1InUse, 92#L1169-1true, Black: 233#true, 89#$Ultimate##0true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:27,690 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-26 11:54:27,690 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:54:27,690 INFO L297 olderBase$Statistics]: existing Event has 85 ancestors and is cut-off event [2023-11-26 11:54:27,690 INFO L297 olderBase$Statistics]: existing Event has 75 ancestors and is cut-off event [2023-11-26 11:54:27,691 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([578] L1169-->L1169-1: Formula: (= |v_#race~A~0_1| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_1|} AuxVars[] AssignedVars[#race~A~0][212], [processThread1of1ForFork2InUse, Black: 241#(= |generateThread1of1ForFork1_#t~nondet4| |#race~A~0|), Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 160#L1208-2true, 245#true, 239#true, generateThread1of1ForFork1InUse, 216#L1160-4true, 89#$Ultimate##0true, 92#L1169-1true, Black: 233#true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:27,691 INFO L294 olderBase$Statistics]: this new event has 84 ancestors and is cut-off event [2023-11-26 11:54:27,691 INFO L297 olderBase$Statistics]: existing Event has 74 ancestors and is cut-off event [2023-11-26 11:54:27,691 INFO L297 olderBase$Statistics]: existing Event has 74 ancestors and is cut-off event [2023-11-26 11:54:27,691 INFO L297 olderBase$Statistics]: existing Event has 84 ancestors and is cut-off event [2023-11-26 11:54:32,843 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([578] L1169-->L1169-1: Formula: (= |v_#race~A~0_1| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_1|} AuxVars[] AssignedVars[#race~A~0][185], [processThread1of1ForFork2InUse, Black: 241#(= |generateThread1of1ForFork1_#t~nondet4| |#race~A~0|), Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 160#L1208-2true, 109#L1159-4true, 245#true, 239#true, generateThread1of1ForFork1InUse, 89#$Ultimate##0true, Black: 233#true, 92#L1169-1true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:32,843 INFO L294 olderBase$Statistics]: this new event has 99 ancestors and is cut-off event [2023-11-26 11:54:32,843 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:54:32,844 INFO L297 olderBase$Statistics]: existing Event has 79 ancestors and is cut-off event [2023-11-26 11:54:32,844 INFO L297 olderBase$Statistics]: existing Event has 69 ancestors and is cut-off event [2023-11-26 11:54:32,844 INFO L297 olderBase$Statistics]: existing Event has 79 ancestors and is cut-off event [2023-11-26 11:54:33,575 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([578] L1169-->L1169-1: Formula: (= |v_#race~A~0_1| 0) InVars {} OutVars{#race~A~0=|v_#race~A~0_1|} AuxVars[] AssignedVars[#race~A~0][118], [processThread1of1ForFork2InUse, Black: 241#(= |generateThread1of1ForFork1_#t~nondet4| |#race~A~0|), 200#L1160true, 160#L1208-2true, Black: 229#(= |generateThread1of1ForFork1_#t~nondet3| |#race~A~0|), 245#true, 239#true, generateThread1of1ForFork1InUse, 89#$Ultimate##0true, 92#L1169-1true, Black: 233#true, disposeThread1of1ForFork0InUse]) [2023-11-26 11:54:33,575 INFO L294 olderBase$Statistics]: this new event has 100 ancestors and is cut-off event [2023-11-26 11:54:33,576 INFO L297 olderBase$Statistics]: existing Event has 70 ancestors and is cut-off event [2023-11-26 11:54:33,576 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 11:54:33,576 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-26 11:54:33,576 INFO L297 olderBase$Statistics]: existing Event has 70 ancestors and is cut-off event