./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/07_rand.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_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/07_rand.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya --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 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:49:43,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:49:43,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 03:49:43,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:49:43,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:49:43,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:49:43,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:49:43,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:49:43,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:49:43,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:49:43,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:49:43,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:49:43,533 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:49:43,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:49:43,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:49:43,534 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:49:43,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:49:43,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:49:43,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:49:43,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:49:43,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:49:43,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:49:43,537 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 03:49:43,538 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:49:43,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:49:43,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:49:43,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:49:43,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:49:43,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:49:43,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:49:43,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:49:43,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:49:43,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:49:43,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:49:43,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:49:43,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:49:43,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:49:43,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:49:43,542 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:49:43,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:49:43,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:49:43,543 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_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 [2023-11-29 03:49:43,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:49:43,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:49:43,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:49:43,801 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:49:43,801 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:49:43,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-ext/07_rand.i [2023-11-29 03:49:46,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:49:46,654 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:49:46,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/sv-benchmarks/c/pthread-ext/07_rand.i [2023-11-29 03:49:46,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/data/a59746d49/a5760ed9fccf4aedb9e6320d6b20c376/FLAGd64cefeeb [2023-11-29 03:49:46,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/data/a59746d49/a5760ed9fccf4aedb9e6320d6b20c376 [2023-11-29 03:49:46,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:49:46,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:49:46,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:49:46,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:49:46,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:49:46,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:49:46" (1/1) ... [2023-11-29 03:49:46,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52260043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:46, skipping insertion in model container [2023-11-29 03:49:46,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:49:46" (1/1) ... [2023-11-29 03:49:46,736 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:49:47,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:49:47,034 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:49:47,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:49:47,108 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:49:47,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47 WrapperNode [2023-11-29 03:49:47,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:49:47,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:49:47,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:49:47,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:49:47,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,156 INFO L138 Inliner]: procedures = 174, calls = 24, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 171 [2023-11-29 03:49:47,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:49:47,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:49:47,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:49:47,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:49:47,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:49:47,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:49:47,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:49:47,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:49:47,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (1/1) ... [2023-11-29 03:49:47,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:49:47,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:49:47,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:49:47,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387fafdc-fa31-4d45-8d59-baf3645ae6bd/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:49:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-29 03:49:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-29 03:49:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 03:49:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:49:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:49:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:49:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 03:49:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:49:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:49:47,253 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 03:49:47,393 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:49:47,396 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:49:47,618 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:49:47,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:49:47,717 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 03:49:47,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:49:47 BoogieIcfgContainer [2023-11-29 03:49:47,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:49:47,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:49:47,721 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:49:47,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:49:47,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:49:46" (1/3) ... [2023-11-29 03:49:47,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@93af2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:49:47, skipping insertion in model container [2023-11-29 03:49:47,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:49:47" (2/3) ... [2023-11-29 03:49:47,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@93af2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:49:47, skipping insertion in model container [2023-11-29 03:49:47,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:49:47" (3/3) ... [2023-11-29 03:49:47,727 INFO L112 eAbstractionObserver]: Analyzing ICFG 07_rand.i [2023-11-29 03:49:47,735 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 03:49:47,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:49:47,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-29 03:49:47,747 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 03:49:47,803 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 03:49:47,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 142 transitions, 288 flow [2023-11-29 03:49:47,920 INFO L124 PetriNetUnfolderBase]: 14/153 cut-off events. [2023-11-29 03:49:47,921 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:49:47,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 153 events. 14/153 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 264 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 128. Up to 4 conditions per place. [2023-11-29 03:49:47,927 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 142 transitions, 288 flow [2023-11-29 03:49:47,933 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 142 transitions, 288 flow [2023-11-29 03:49:47,940 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:49:47,946 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;@397bb2da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:49:47,946 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2023-11-29 03:49:47,953 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:49:47,953 INFO L124 PetriNetUnfolderBase]: 2/28 cut-off events. [2023-11-29 03:49:47,953 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:49:47,953 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:47,954 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:49:47,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2023-11-29 03:49:47,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:47,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2076813170, now seen corresponding path program 1 times [2023-11-29 03:49:47,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:47,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021422566] [2023-11-29 03:49:47,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:47,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:49:48,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:48,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021422566] [2023-11-29 03:49:48,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021422566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:48,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:48,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:49:48,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738523313] [2023-11-29 03:49:48,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:48,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:49:48,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:48,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:49:48,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:49:48,171 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 142 [2023-11-29 03:49:48,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 142 transitions, 288 flow. Second operand has 2 states, 2 states have (on average 113.0) internal successors, (226), 2 states have internal predecessors, (226), 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) [2023-11-29 03:49:48,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:49:48,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 142 [2023-11-29 03:49:48,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:49:48,216 INFO L124 PetriNetUnfolderBase]: 3/110 cut-off events. [2023-11-29 03:49:48,216 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 03:49:48,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 110 events. 3/110 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 108 event pairs, 0 based on Foata normal form. 14/112 useless extension candidates. Maximal degree in co-relation 97. Up to 7 conditions per place. [2023-11-29 03:49:48,219 INFO L140 encePairwiseOnDemand]: 121/142 looper letters, 6 selfloop transitions, 0 changer transitions 0/106 dead transitions. [2023-11-29 03:49:48,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 106 transitions, 228 flow [2023-11-29 03:49:48,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:49:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 03:49:48,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 251 transitions. [2023-11-29 03:49:48,233 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8838028169014085 [2023-11-29 03:49:48,234 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 251 transitions. [2023-11-29 03:49:48,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 251 transitions. [2023-11-29 03:49:48,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:49:48,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 251 transitions. [2023-11-29 03:49:48,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 125.5) internal successors, (251), 2 states have internal predecessors, (251), 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) [2023-11-29 03:49:48,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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) [2023-11-29 03:49:48,247 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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) [2023-11-29 03:49:48,249 INFO L175 Difference]: Start difference. First operand has 132 places, 142 transitions, 288 flow. Second operand 2 states and 251 transitions. [2023-11-29 03:49:48,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 106 transitions, 228 flow [2023-11-29 03:49:48,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 106 transitions, 228 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:49:48,256 INFO L231 Difference]: Finished difference. Result has 107 places, 106 transitions, 216 flow [2023-11-29 03:49:48,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=216, PETRI_PLACES=107, PETRI_TRANSITIONS=106} [2023-11-29 03:49:48,262 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -25 predicate places. [2023-11-29 03:49:48,262 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 106 transitions, 216 flow [2023-11-29 03:49:48,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 113.0) internal successors, (226), 2 states have internal predecessors, (226), 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) [2023-11-29 03:49:48,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:48,263 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] [2023-11-29 03:49:48,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:49:48,263 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2023-11-29 03:49:48,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:48,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1342316715, now seen corresponding path program 1 times [2023-11-29 03:49:48,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:48,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934907364] [2023-11-29 03:49:48,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:48,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:49:48,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:48,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934907364] [2023-11-29 03:49:48,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934907364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:48,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:48,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:49:48,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479144824] [2023-11-29 03:49:48,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:48,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:49:48,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:48,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:49:48,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:49:48,355 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 142 [2023-11-29 03:49:48,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 106 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2023-11-29 03:49:48,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:49:48,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 142 [2023-11-29 03:49:48,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:49:48,389 INFO L124 PetriNetUnfolderBase]: 3/109 cut-off events. [2023-11-29 03:49:48,389 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 03:49:48,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 109 events. 3/109 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 105 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 120. Up to 5 conditions per place. [2023-11-29 03:49:48,390 INFO L140 encePairwiseOnDemand]: 139/142 looper letters, 7 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2023-11-29 03:49:48,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 105 transitions, 232 flow [2023-11-29 03:49:48,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:49:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:49:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2023-11-29 03:49:48,394 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.784037558685446 [2023-11-29 03:49:48,395 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 334 transitions. [2023-11-29 03:49:48,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 334 transitions. [2023-11-29 03:49:48,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:49:48,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 334 transitions. [2023-11-29 03:49:48,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2023-11-29 03:49:48,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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) [2023-11-29 03:49:48,400 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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) [2023-11-29 03:49:48,400 INFO L175 Difference]: Start difference. First operand has 107 places, 106 transitions, 216 flow. Second operand 3 states and 334 transitions. [2023-11-29 03:49:48,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 105 transitions, 232 flow [2023-11-29 03:49:48,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 105 transitions, 232 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:49:48,404 INFO L231 Difference]: Finished difference. Result has 108 places, 105 transitions, 218 flow [2023-11-29 03:49:48,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=108, PETRI_TRANSITIONS=105} [2023-11-29 03:49:48,405 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -24 predicate places. [2023-11-29 03:49:48,406 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 105 transitions, 218 flow [2023-11-29 03:49:48,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2023-11-29 03:49:48,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:48,406 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:49:48,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:49:48,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2023-11-29 03:49:48,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:48,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1293863504, now seen corresponding path program 1 times [2023-11-29 03:49:48,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:48,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902102468] [2023-11-29 03:49:48,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:48,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:49:48,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:49:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:49:48,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:49:48,462 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:49:48,463 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2023-11-29 03:49:48,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2023-11-29 03:49:48,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2023-11-29 03:49:48,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2023-11-29 03:49:48,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2023-11-29 03:49:48,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2023-11-29 03:49:48,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2023-11-29 03:49:48,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2023-11-29 03:49:48,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2023-11-29 03:49:48,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2023-11-29 03:49:48,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2023-11-29 03:49:48,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2023-11-29 03:49:48,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2023-11-29 03:49:48,466 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2023-11-29 03:49:48,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2023-11-29 03:49:48,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2023-11-29 03:49:48,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2023-11-29 03:49:48,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2023-11-29 03:49:48,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2023-11-29 03:49:48,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2023-11-29 03:49:48,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2023-11-29 03:49:48,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2023-11-29 03:49:48,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2023-11-29 03:49:48,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2023-11-29 03:49:48,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2023-11-29 03:49:48,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2023-11-29 03:49:48,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2023-11-29 03:49:48,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2023-11-29 03:49:48,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2023-11-29 03:49:48,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2023-11-29 03:49:48,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2023-11-29 03:49:48,471 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2023-11-29 03:49:48,471 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2023-11-29 03:49:48,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:49:48,471 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 03:49:48,474 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 03:49:48,474 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-29 03:49:48,522 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 03:49:48,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 258 transitions, 526 flow [2023-11-29 03:49:48,601 INFO L124 PetriNetUnfolderBase]: 27/282 cut-off events. [2023-11-29 03:49:48,601 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 03:49:48,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 282 events. 27/282 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 924 event pairs, 0 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 243. Up to 6 conditions per place. [2023-11-29 03:49:48,607 INFO L82 GeneralOperation]: Start removeDead. Operand has 238 places, 258 transitions, 526 flow [2023-11-29 03:49:48,613 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 238 places, 258 transitions, 526 flow [2023-11-29 03:49:48,614 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:49:48,616 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;@397bb2da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:49:48,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2023-11-29 03:49:48,620 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:49:48,620 INFO L124 PetriNetUnfolderBase]: 2/28 cut-off events. [2023-11-29 03:49:48,620 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:49:48,621 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:48,621 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:49:48,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 03:49:48,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:48,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1138019399, now seen corresponding path program 1 times [2023-11-29 03:49:48,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:48,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233949963] [2023-11-29 03:49:48,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:48,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:49:48,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:48,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233949963] [2023-11-29 03:49:48,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233949963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:48,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:48,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:49:48,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6623496] [2023-11-29 03:49:48,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:48,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:49:48,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:48,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:49:48,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:49:48,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 258 [2023-11-29 03:49:48,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 258 transitions, 526 flow. Second operand has 2 states, 2 states have (on average 201.0) internal successors, (402), 2 states have internal predecessors, (402), 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) [2023-11-29 03:49:48,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:49:48,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 258 [2023-11-29 03:49:48,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:49:48,776 INFO L124 PetriNetUnfolderBase]: 54/743 cut-off events. [2023-11-29 03:49:48,776 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-29 03:49:48,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 743 events. 54/743 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4478 event pairs, 30 based on Foata normal form. 136/774 useless extension candidates. Maximal degree in co-relation 688. Up to 73 conditions per place. [2023-11-29 03:49:48,782 INFO L140 encePairwiseOnDemand]: 218/258 looper letters, 12 selfloop transitions, 0 changer transitions 0/193 dead transitions. [2023-11-29 03:49:48,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 193 transitions, 420 flow [2023-11-29 03:49:48,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:49:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 03:49:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 452 transitions. [2023-11-29 03:49:48,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.875968992248062 [2023-11-29 03:49:48,786 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 452 transitions. [2023-11-29 03:49:48,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 452 transitions. [2023-11-29 03:49:48,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:49:48,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 452 transitions. [2023-11-29 03:49:48,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 226.0) internal successors, (452), 2 states have internal predecessors, (452), 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) [2023-11-29 03:49:48,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 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) [2023-11-29 03:49:48,791 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 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) [2023-11-29 03:49:48,791 INFO L175 Difference]: Start difference. First operand has 238 places, 258 transitions, 526 flow. Second operand 2 states and 452 transitions. [2023-11-29 03:49:48,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 193 transitions, 420 flow [2023-11-29 03:49:48,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 193 transitions, 420 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:49:48,797 INFO L231 Difference]: Finished difference. Result has 193 places, 193 transitions, 396 flow [2023-11-29 03:49:48,798 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=258, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=396, PETRI_PLACES=193, PETRI_TRANSITIONS=193} [2023-11-29 03:49:48,799 INFO L281 CegarLoopForPetriNet]: 238 programPoint places, -45 predicate places. [2023-11-29 03:49:48,799 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 193 transitions, 396 flow [2023-11-29 03:49:48,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 201.0) internal successors, (402), 2 states have internal predecessors, (402), 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) [2023-11-29 03:49:48,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:48,800 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] [2023-11-29 03:49:48,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:49:48,800 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 03:49:48,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:48,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1579986550, now seen corresponding path program 1 times [2023-11-29 03:49:48,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:48,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164355083] [2023-11-29 03:49:48,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:48,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:49:48,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:48,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164355083] [2023-11-29 03:49:48,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164355083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:48,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:48,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:49:48,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655039089] [2023-11-29 03:49:48,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:48,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:49:48,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:48,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:49:48,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:49:48,864 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 258 [2023-11-29 03:49:48,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 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) [2023-11-29 03:49:48,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:49:48,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 258 [2023-11-29 03:49:48,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:49:49,094 INFO L124 PetriNetUnfolderBase]: 129/1329 cut-off events. [2023-11-29 03:49:49,094 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2023-11-29 03:49:49,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1561 conditions, 1329 events. 129/1329 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 9943 event pairs, 34 based on Foata normal form. 0/1145 useless extension candidates. Maximal degree in co-relation 1556. Up to 124 conditions per place. [2023-11-29 03:49:49,103 INFO L140 encePairwiseOnDemand]: 250/258 looper letters, 31 selfloop transitions, 6 changer transitions 0/210 dead transitions. [2023-11-29 03:49:49,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 210 transitions, 509 flow [2023-11-29 03:49:49,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:49:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:49:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 615 transitions. [2023-11-29 03:49:49,105 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7945736434108527 [2023-11-29 03:49:49,105 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 615 transitions. [2023-11-29 03:49:49,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 615 transitions. [2023-11-29 03:49:49,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:49:49,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 615 transitions. [2023-11-29 03:49:49,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 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) [2023-11-29 03:49:49,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 258.0) internal successors, (1032), 4 states have internal predecessors, (1032), 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) [2023-11-29 03:49:49,110 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 258.0) internal successors, (1032), 4 states have internal predecessors, (1032), 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) [2023-11-29 03:49:49,110 INFO L175 Difference]: Start difference. First operand has 193 places, 193 transitions, 396 flow. Second operand 3 states and 615 transitions. [2023-11-29 03:49:49,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 210 transitions, 509 flow [2023-11-29 03:49:49,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 210 transitions, 509 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:49:49,115 INFO L231 Difference]: Finished difference. Result has 197 places, 199 transitions, 448 flow [2023-11-29 03:49:49,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=258, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=448, PETRI_PLACES=197, PETRI_TRANSITIONS=199} [2023-11-29 03:49:49,116 INFO L281 CegarLoopForPetriNet]: 238 programPoint places, -41 predicate places. [2023-11-29 03:49:49,116 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 199 transitions, 448 flow [2023-11-29 03:49:49,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 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) [2023-11-29 03:49:49,117 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:49,117 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] [2023-11-29 03:49:49,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:49:49,117 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 03:49:49,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:49,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1472058370, now seen corresponding path program 1 times [2023-11-29 03:49:49,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:49,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733286919] [2023-11-29 03:49:49,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:49,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:49:49,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:49,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733286919] [2023-11-29 03:49:49,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733286919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:49,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:49,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:49:49,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714320759] [2023-11-29 03:49:49,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:49,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:49:49,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:49,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:49:49,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:49:49,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 258 [2023-11-29 03:49:49,210 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 199 transitions, 448 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) [2023-11-29 03:49:49,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:49:49,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 258 [2023-11-29 03:49:49,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:49:49,456 INFO L124 PetriNetUnfolderBase]: 265/2111 cut-off events. [2023-11-29 03:49:49,456 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2023-11-29 03:49:49,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2692 conditions, 2111 events. 265/2111 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 18050 event pairs, 157 based on Foata normal form. 0/1824 useless extension candidates. Maximal degree in co-relation 2685. Up to 400 conditions per place. [2023-11-29 03:49:49,470 INFO L140 encePairwiseOnDemand]: 250/258 looper letters, 31 selfloop transitions, 7 changer transitions 0/211 dead transitions. [2023-11-29 03:49:49,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 211 transitions, 553 flow [2023-11-29 03:49:49,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:49:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:49:49,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 597 transitions. [2023-11-29 03:49:49,473 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7713178294573644 [2023-11-29 03:49:49,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 597 transitions. [2023-11-29 03:49:49,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 597 transitions. [2023-11-29 03:49:49,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:49:49,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 597 transitions. [2023-11-29 03:49:49,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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) [2023-11-29 03:49:49,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 258.0) internal successors, (1032), 4 states have internal predecessors, (1032), 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) [2023-11-29 03:49:49,478 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 258.0) internal successors, (1032), 4 states have internal predecessors, (1032), 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) [2023-11-29 03:49:49,478 INFO L175 Difference]: Start difference. First operand has 197 places, 199 transitions, 448 flow. Second operand 3 states and 597 transitions. [2023-11-29 03:49:49,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 211 transitions, 553 flow [2023-11-29 03:49:49,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 211 transitions, 541 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:49:49,483 INFO L231 Difference]: Finished difference. Result has 199 places, 205 transitions, 490 flow [2023-11-29 03:49:49,484 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=258, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=490, PETRI_PLACES=199, PETRI_TRANSITIONS=205} [2023-11-29 03:49:49,484 INFO L281 CegarLoopForPetriNet]: 238 programPoint places, -39 predicate places. [2023-11-29 03:49:49,485 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 205 transitions, 490 flow [2023-11-29 03:49:49,485 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) [2023-11-29 03:49:49,485 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:49,486 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:49:49,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:49:49,486 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2023-11-29 03:49:49,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:49,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1135888708, now seen corresponding path program 1 times [2023-11-29 03:49:49,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:49,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489044890] [2023-11-29 03:49:49,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:49,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:49:49,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:49:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:49:49,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:49:49,519 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:49:49,519 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 49 remaining) [2023-11-29 03:49:49,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2023-11-29 03:49:49,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2023-11-29 03:49:49,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2023-11-29 03:49:49,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2023-11-29 03:49:49,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2023-11-29 03:49:49,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2023-11-29 03:49:49,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2023-11-29 03:49:49,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2023-11-29 03:49:49,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2023-11-29 03:49:49,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2023-11-29 03:49:49,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2023-11-29 03:49:49,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2023-11-29 03:49:49,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2023-11-29 03:49:49,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2023-11-29 03:49:49,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2023-11-29 03:49:49,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2023-11-29 03:49:49,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2023-11-29 03:49:49,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2023-11-29 03:49:49,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2023-11-29 03:49:49,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2023-11-29 03:49:49,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2023-11-29 03:49:49,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2023-11-29 03:49:49,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2023-11-29 03:49:49,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2023-11-29 03:49:49,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2023-11-29 03:49:49,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2023-11-29 03:49:49,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2023-11-29 03:49:49,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2023-11-29 03:49:49,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2023-11-29 03:49:49,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2023-11-29 03:49:49,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2023-11-29 03:49:49,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2023-11-29 03:49:49,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2023-11-29 03:49:49,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2023-11-29 03:49:49,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2023-11-29 03:49:49,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2023-11-29 03:49:49,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2023-11-29 03:49:49,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2023-11-29 03:49:49,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2023-11-29 03:49:49,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2023-11-29 03:49:49,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2023-11-29 03:49:49,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2023-11-29 03:49:49,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2023-11-29 03:49:49,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2023-11-29 03:49:49,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2023-11-29 03:49:49,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2023-11-29 03:49:49,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2023-11-29 03:49:49,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2023-11-29 03:49:49,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:49:49,527 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 03:49:49,528 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 03:49:49,528 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-29 03:49:49,577 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 03:49:49,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 344 places, 374 transitions, 766 flow [2023-11-29 03:49:49,665 INFO L124 PetriNetUnfolderBase]: 40/411 cut-off events. [2023-11-29 03:49:49,666 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 03:49:49,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 411 events. 40/411 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1699 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 358. Up to 8 conditions per place. [2023-11-29 03:49:49,671 INFO L82 GeneralOperation]: Start removeDead. Operand has 344 places, 374 transitions, 766 flow [2023-11-29 03:49:49,681 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 344 places, 374 transitions, 766 flow [2023-11-29 03:49:49,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:49:49,683 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;@397bb2da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:49:49,683 INFO L358 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2023-11-29 03:49:49,686 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:49:49,686 INFO L124 PetriNetUnfolderBase]: 2/28 cut-off events. [2023-11-29 03:49:49,686 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:49:49,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:49,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:49:49,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-11-29 03:49:49,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:49,687 INFO L85 PathProgramCache]: Analyzing trace with hash -522571600, now seen corresponding path program 1 times [2023-11-29 03:49:49,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:49,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190220617] [2023-11-29 03:49:49,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:49,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:49:49,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:49,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190220617] [2023-11-29 03:49:49,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190220617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:49,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:49,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:49:49,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37164283] [2023-11-29 03:49:49,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:49,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:49:49,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:49,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:49:49,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:49:49,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 374 [2023-11-29 03:49:49,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 374 transitions, 766 flow. Second operand has 2 states, 2 states have (on average 289.0) internal successors, (578), 2 states have internal predecessors, (578), 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) [2023-11-29 03:49:49,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:49:49,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 374 [2023-11-29 03:49:49,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:49:50,617 INFO L124 PetriNetUnfolderBase]: 543/4766 cut-off events. [2023-11-29 03:49:50,617 INFO L125 PetriNetUnfolderBase]: For 238/238 co-relation queries the response was YES. [2023-11-29 03:49:50,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5583 conditions, 4766 events. 543/4766 cut-off events. For 238/238 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 49397 event pairs, 390 based on Foata normal form. 1118/5193 useless extension candidates. Maximal degree in co-relation 4529. Up to 649 conditions per place. [2023-11-29 03:49:50,677 INFO L140 encePairwiseOnDemand]: 315/374 looper letters, 18 selfloop transitions, 0 changer transitions 0/280 dead transitions. [2023-11-29 03:49:50,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 280 transitions, 614 flow [2023-11-29 03:49:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:49:50,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 03:49:50,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 653 transitions. [2023-11-29 03:49:50,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8729946524064172 [2023-11-29 03:49:50,681 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 653 transitions. [2023-11-29 03:49:50,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 653 transitions. [2023-11-29 03:49:50,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:49:50,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 653 transitions. [2023-11-29 03:49:50,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 326.5) internal successors, (653), 2 states have internal predecessors, (653), 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) [2023-11-29 03:49:50,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 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) [2023-11-29 03:49:50,687 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 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) [2023-11-29 03:49:50,687 INFO L175 Difference]: Start difference. First operand has 344 places, 374 transitions, 766 flow. Second operand 2 states and 653 transitions. [2023-11-29 03:49:50,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 280 transitions, 614 flow [2023-11-29 03:49:50,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 280 transitions, 612 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-11-29 03:49:50,694 INFO L231 Difference]: Finished difference. Result has 279 places, 280 transitions, 576 flow [2023-11-29 03:49:50,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=576, PETRI_PLACES=279, PETRI_TRANSITIONS=280} [2023-11-29 03:49:50,696 INFO L281 CegarLoopForPetriNet]: 344 programPoint places, -65 predicate places. [2023-11-29 03:49:50,696 INFO L495 AbstractCegarLoop]: Abstraction has has 279 places, 280 transitions, 576 flow [2023-11-29 03:49:50,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 289.0) internal successors, (578), 2 states have internal predecessors, (578), 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) [2023-11-29 03:49:50,697 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:50,697 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] [2023-11-29 03:49:50,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:49:50,697 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-11-29 03:49:50,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:50,698 INFO L85 PathProgramCache]: Analyzing trace with hash 319909491, now seen corresponding path program 1 times [2023-11-29 03:49:50,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:50,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883729965] [2023-11-29 03:49:50,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:50,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:49:50,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:50,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883729965] [2023-11-29 03:49:50,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883729965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:50,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:50,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:49:50,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159935304] [2023-11-29 03:49:50,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:50,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:49:50,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:50,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:49:50,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:49:50,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 374 [2023-11-29 03:49:50,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 280 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2023-11-29 03:49:50,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:49:50,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 374 [2023-11-29 03:49:50,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:49:53,020 INFO L124 PetriNetUnfolderBase]: 2562/15971 cut-off events. [2023-11-29 03:49:53,020 INFO L125 PetriNetUnfolderBase]: For 346/346 co-relation queries the response was YES. [2023-11-29 03:49:53,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19702 conditions, 15971 events. 2562/15971 cut-off events. For 346/346 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 207845 event pairs, 852 based on Foata normal form. 0/13700 useless extension candidates. Maximal degree in co-relation 19696. Up to 2052 conditions per place. [2023-11-29 03:49:53,153 INFO L140 encePairwiseOnDemand]: 362/374 looper letters, 47 selfloop transitions, 9 changer transitions 0/306 dead transitions. [2023-11-29 03:49:53,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 306 transitions, 750 flow [2023-11-29 03:49:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:49:53,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:49:53,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 887 transitions. [2023-11-29 03:49:53,157 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7905525846702317 [2023-11-29 03:49:53,157 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 887 transitions. [2023-11-29 03:49:53,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 887 transitions. [2023-11-29 03:49:53,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:49:53,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 887 transitions. [2023-11-29 03:49:53,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 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) [2023-11-29 03:49:53,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 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) [2023-11-29 03:49:53,167 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 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) [2023-11-29 03:49:53,167 INFO L175 Difference]: Start difference. First operand has 279 places, 280 transitions, 576 flow. Second operand 3 states and 887 transitions. [2023-11-29 03:49:53,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 306 transitions, 750 flow [2023-11-29 03:49:53,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 306 transitions, 750 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:49:53,176 INFO L231 Difference]: Finished difference. Result has 283 places, 289 transitions, 654 flow [2023-11-29 03:49:53,177 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=654, PETRI_PLACES=283, PETRI_TRANSITIONS=289} [2023-11-29 03:49:53,178 INFO L281 CegarLoopForPetriNet]: 344 programPoint places, -61 predicate places. [2023-11-29 03:49:53,178 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 289 transitions, 654 flow [2023-11-29 03:49:53,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.3333333333333) internal successors, (832), 3 states have internal predecessors, (832), 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) [2023-11-29 03:49:53,179 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:53,179 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] [2023-11-29 03:49:53,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:49:53,179 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-11-29 03:49:53,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:53,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1455573931, now seen corresponding path program 1 times [2023-11-29 03:49:53,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:53,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956097947] [2023-11-29 03:49:53,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:53,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:49:53,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:53,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956097947] [2023-11-29 03:49:53,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956097947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:53,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:53,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:49:53,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102658134] [2023-11-29 03:49:53,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:53,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:49:53,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:53,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:49:53,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:49:53,283 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 374 [2023-11-29 03:49:53,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 289 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 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) [2023-11-29 03:49:53,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:49:53,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 374 [2023-11-29 03:49:53,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:49:57,866 INFO L124 PetriNetUnfolderBase]: 7630/40326 cut-off events. [2023-11-29 03:49:57,866 INFO L125 PetriNetUnfolderBase]: For 1050/1050 co-relation queries the response was YES. [2023-11-29 03:49:57,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52585 conditions, 40326 events. 7630/40326 cut-off events. For 1050/1050 co-relation queries the response was YES. Maximal size of possible extension queue 1060. Compared 594892 event pairs, 5111 based on Foata normal form. 0/34555 useless extension candidates. Maximal degree in co-relation 52577. Up to 9379 conditions per place. [2023-11-29 03:49:58,140 INFO L140 encePairwiseOnDemand]: 362/374 looper letters, 47 selfloop transitions, 11 changer transitions 0/311 dead transitions. [2023-11-29 03:49:58,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 311 transitions, 824 flow [2023-11-29 03:49:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:49:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:49:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 869 transitions. [2023-11-29 03:49:58,144 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7745098039215687 [2023-11-29 03:49:58,144 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 869 transitions. [2023-11-29 03:49:58,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 869 transitions. [2023-11-29 03:49:58,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:49:58,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 869 transitions. [2023-11-29 03:49:58,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 289.6666666666667) internal successors, (869), 3 states have internal predecessors, (869), 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) [2023-11-29 03:49:58,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 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) [2023-11-29 03:49:58,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 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) [2023-11-29 03:49:58,151 INFO L175 Difference]: Start difference. First operand has 283 places, 289 transitions, 654 flow. Second operand 3 states and 869 transitions. [2023-11-29 03:49:58,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 311 transitions, 824 flow [2023-11-29 03:49:58,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 311 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:49:58,164 INFO L231 Difference]: Finished difference. Result has 285 places, 299 transitions, 722 flow [2023-11-29 03:49:58,165 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=285, PETRI_TRANSITIONS=299} [2023-11-29 03:49:58,165 INFO L281 CegarLoopForPetriNet]: 344 programPoint places, -59 predicate places. [2023-11-29 03:49:58,166 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 299 transitions, 722 flow [2023-11-29 03:49:58,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 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) [2023-11-29 03:49:58,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:49:58,166 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 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] [2023-11-29 03:49:58,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:49:58,167 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-11-29 03:49:58,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:49:58,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1570234917, now seen corresponding path program 1 times [2023-11-29 03:49:58,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:49:58,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574528100] [2023-11-29 03:49:58,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:49:58,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:49:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:49:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 03:49:58,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:49:58,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574528100] [2023-11-29 03:49:58,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574528100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:49:58,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:49:58,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:49:58,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362909003] [2023-11-29 03:49:58,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:49:58,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:49:58,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:49:58,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:49:58,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:49:58,263 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 374 [2023-11-29 03:49:58,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 299 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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) [2023-11-29 03:49:58,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:49:58,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 374 [2023-11-29 03:49:58,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:50:00,272 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1243] L719-->L719-1: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][323], [Black: 350#true, 101#L723-4true, 114#L723-4true, 347#true, thr1Thread1of3ForFork0InUse, 233#L719-1true, thr1Thread2of3ForFork0InUse, 362#true, Black: 358#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), thr1Thread3of3ForFork0InUse, 198#L752-5true, 356#true]) [2023-11-29 03:50:00,272 INFO L294 olderBase$Statistics]: this new event has 86 ancestors and is cut-off event [2023-11-29 03:50:00,273 INFO L297 olderBase$Statistics]: existing Event has 82 ancestors and is cut-off event [2023-11-29 03:50:00,273 INFO L297 olderBase$Statistics]: existing Event has 86 ancestors and is cut-off event [2023-11-29 03:50:00,273 INFO L297 olderBase$Statistics]: existing Event has 82 ancestors and is cut-off event [2023-11-29 03:50:03,182 INFO L124 PetriNetUnfolderBase]: 8992/44792 cut-off events. [2023-11-29 03:50:03,182 INFO L125 PetriNetUnfolderBase]: For 4758/5234 co-relation queries the response was YES. [2023-11-29 03:50:03,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64060 conditions, 44792 events. 8992/44792 cut-off events. For 4758/5234 co-relation queries the response was YES. Maximal size of possible extension queue 1235. Compared 668162 event pairs, 5565 based on Foata normal form. 2/38378 useless extension candidates. Maximal degree in co-relation 64051. Up to 10861 conditions per place. [2023-11-29 03:50:03,486 INFO L140 encePairwiseOnDemand]: 362/374 looper letters, 53 selfloop transitions, 16 changer transitions 0/324 dead transitions. [2023-11-29 03:50:03,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 324 transitions, 943 flow [2023-11-29 03:50:03,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:50:03,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:50:03,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 868 transitions. [2023-11-29 03:50:03,490 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7736185383244206 [2023-11-29 03:50:03,490 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 868 transitions. [2023-11-29 03:50:03,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 868 transitions. [2023-11-29 03:50:03,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:50:03,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 868 transitions. [2023-11-29 03:50:03,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 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) [2023-11-29 03:50:03,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 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) [2023-11-29 03:50:03,496 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 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) [2023-11-29 03:50:03,496 INFO L175 Difference]: Start difference. First operand has 285 places, 299 transitions, 722 flow. Second operand 3 states and 868 transitions. [2023-11-29 03:50:03,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 324 transitions, 943 flow [2023-11-29 03:50:03,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 324 transitions, 911 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:50:03,574 INFO L231 Difference]: Finished difference. Result has 287 places, 313 transitions, 840 flow [2023-11-29 03:50:03,575 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=287, PETRI_TRANSITIONS=313} [2023-11-29 03:50:03,575 INFO L281 CegarLoopForPetriNet]: 344 programPoint places, -57 predicate places. [2023-11-29 03:50:03,576 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 313 transitions, 840 flow [2023-11-29 03:50:03,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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) [2023-11-29 03:50:03,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:50:03,576 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] [2023-11-29 03:50:03,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:50:03,576 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-11-29 03:50:03,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:50:03,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1642705943, now seen corresponding path program 1 times [2023-11-29 03:50:03,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:50:03,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390945058] [2023-11-29 03:50:03,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:50:03,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:50:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:03,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:50:03,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:50:03,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390945058] [2023-11-29 03:50:03,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390945058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:50:03,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:50:03,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:50:03,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521178745] [2023-11-29 03:50:03,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:50:03,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:50:03,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:50:03,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:50:03,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:50:03,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 374 [2023-11-29 03:50:03,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 313 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 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) [2023-11-29 03:50:03,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:50:03,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 374 [2023-11-29 03:50:03,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:50:05,086 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1450] L738-2-->L738-3: Formula: (= |v_#race~state~0_4| |v_thr1Thread2of3ForFork0_#t~nondet10#1_3|) InVars {thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_3|} OutVars{thr1Thread2of3ForFork0_#t~nondet10#1=|v_thr1Thread2of3ForFork0_#t~nondet10#1_3|, #race~state~0=|v_#race~state~0_4|} AuxVars[] AssignedVars[#race~state~0][136], [368#true, Black: 352#(= |#race~state~0| 0), 26#L736true, 362#true, Black: 358#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 311#L738-3true, Black: 364#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 136#L739-1true, 347#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 198#L752-5true]) [2023-11-29 03:50:05,086 INFO L294 olderBase$Statistics]: this new event has 76 ancestors and is cut-off event [2023-11-29 03:50:05,086 INFO L297 olderBase$Statistics]: existing Event has 76 ancestors and is cut-off event [2023-11-29 03:50:05,086 INFO L297 olderBase$Statistics]: existing Event has 76 ancestors and is cut-off event [2023-11-29 03:50:05,086 INFO L297 olderBase$Statistics]: existing Event has 76 ancestors and is cut-off event [2023-11-29 03:50:05,456 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1358] L719-->L719-1: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][244], [368#true, Black: 350#true, 362#true, Black: 358#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 53#L719-1true, 252#L723-3true, Black: 364#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 260#L723-3true, 347#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 198#L752-5true]) [2023-11-29 03:50:05,456 INFO L294 olderBase$Statistics]: this new event has 84 ancestors and is cut-off event [2023-11-29 03:50:05,456 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 03:50:05,456 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 03:50:05,456 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 03:50:05,532 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1358] L719-->L719-1: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][244], [368#true, Black: 350#true, 114#L723-4true, 362#true, Black: 358#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 53#L719-1true, Black: 364#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 260#L723-3true, 347#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 198#L752-5true]) [2023-11-29 03:50:05,532 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-29 03:50:05,532 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 03:50:05,532 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 03:50:05,532 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 03:50:05,688 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1358] L719-->L719-1: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][132], [368#true, Black: 350#true, 362#true, Black: 358#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 53#L719-1true, 252#L723-3true, Black: 364#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 260#L723-3true, 347#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 198#L752-5true]) [2023-11-29 03:50:05,688 INFO L294 olderBase$Statistics]: this new event has 84 ancestors and is cut-off event [2023-11-29 03:50:05,688 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 03:50:05,688 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 03:50:05,688 INFO L297 olderBase$Statistics]: existing Event has 80 ancestors and is cut-off event [2023-11-29 03:50:05,689 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1358] L719-->L719-1: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][132], [368#true, Black: 350#true, 362#true, Black: 358#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 148#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, 53#L719-1true, Black: 364#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 260#L723-3true, 347#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 198#L752-5true]) [2023-11-29 03:50:05,689 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-29 03:50:05,689 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 03:50:05,689 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 03:50:05,689 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 03:50:05,764 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1358] L719-->L719-1: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][132], [368#true, Black: 350#true, 114#L723-4true, 362#true, Black: 358#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 53#L719-1true, Black: 364#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 260#L723-3true, 347#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 198#L752-5true]) [2023-11-29 03:50:05,764 INFO L294 olderBase$Statistics]: this new event has 85 ancestors and is cut-off event [2023-11-29 03:50:05,764 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 03:50:05,764 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 03:50:05,764 INFO L297 olderBase$Statistics]: existing Event has 81 ancestors and is cut-off event [2023-11-29 03:50:05,837 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1358] L719-->L719-1: Formula: (= 0 |v_#race~seed~0_4|) InVars {} OutVars{#race~seed~0=|v_#race~seed~0_4|} AuxVars[] AssignedVars[#race~seed~0][132], [368#true, Black: 350#true, 362#true, Black: 358#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 53#L719-1true, Black: 364#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 260#L723-3true, 147#L722-1true, 347#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 198#L752-5true]) [2023-11-29 03:50:05,837 INFO L294 olderBase$Statistics]: this new event has 86 ancestors and is cut-off event [2023-11-29 03:50:05,837 INFO L297 olderBase$Statistics]: existing Event has 82 ancestors and is cut-off event [2023-11-29 03:50:05,837 INFO L297 olderBase$Statistics]: existing Event has 82 ancestors and is cut-off event [2023-11-29 03:50:05,837 INFO L297 olderBase$Statistics]: existing Event has 82 ancestors and is cut-off event [2023-11-29 03:50:06,109 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1205] L723-2-->L723-3: Formula: (= |v_thr1Thread3of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5| |v_#race~seed~0_1|) InVars {thr1Thread3of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1=|v_thr1Thread3of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5|} OutVars{#race~seed~0=|v_#race~seed~0_1|, thr1Thread3of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1=|v_thr1Thread3of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~seed~0][134], [368#true, Black: 350#true, 298#L704true, 362#true, Black: 358#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 53#L719-1true, Black: 364#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 260#L723-3true, 347#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 198#L752-5true]) [2023-11-29 03:50:06,109 INFO L294 olderBase$Statistics]: this new event has 88 ancestors and is not cut-off event [2023-11-29 03:50:06,109 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is not cut-off event [2023-11-29 03:50:06,109 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is not cut-off event [2023-11-29 03:50:06,109 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is not cut-off event [2023-11-29 03:50:07,427 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1205] L723-2-->L723-3: Formula: (= |v_thr1Thread3of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5| |v_#race~seed~0_1|) InVars {thr1Thread3of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1=|v_thr1Thread3of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5|} OutVars{#race~seed~0=|v_#race~seed~0_1|, thr1Thread3of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1=|v_thr1Thread3of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~seed~0][134], [368#true, Black: 350#true, 362#true, Black: 358#(= |#race~seed~0| |thr1Thread1of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1|), 53#L719-1true, Black: 364#(= |thr1Thread2of3ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1| |#race~seed~0|), 260#L723-3true, 347#true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 198#L752-5true, 216#L711-2true]) [2023-11-29 03:50:07,427 INFO L294 olderBase$Statistics]: this new event has 99 ancestors and is not cut-off event [2023-11-29 03:50:07,427 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is not cut-off event [2023-11-29 03:50:07,427 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is not cut-off event [2023-11-29 03:50:07,427 INFO L297 olderBase$Statistics]: existing Event has 99 ancestors and is not cut-off event [2023-11-29 03:50:08,347 INFO L124 PetriNetUnfolderBase]: 7602/41703 cut-off events. [2023-11-29 03:50:08,347 INFO L125 PetriNetUnfolderBase]: For 4982/6211 co-relation queries the response was YES. [2023-11-29 03:50:08,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59739 conditions, 41703 events. 7602/41703 cut-off events. For 4982/6211 co-relation queries the response was YES. Maximal size of possible extension queue 1205. Compared 625562 event pairs, 3444 based on Foata normal form. 30/34830 useless extension candidates. Maximal degree in co-relation 59729. Up to 5392 conditions per place. [2023-11-29 03:50:08,614 INFO L140 encePairwiseOnDemand]: 366/374 looper letters, 44 selfloop transitions, 12 changer transitions 0/335 dead transitions. [2023-11-29 03:50:08,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 335 transitions, 1022 flow [2023-11-29 03:50:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:50:08,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:50:08,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 881 transitions. [2023-11-29 03:50:08,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.785204991087344 [2023-11-29 03:50:08,617 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 881 transitions. [2023-11-29 03:50:08,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 881 transitions. [2023-11-29 03:50:08,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:50:08,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 881 transitions. [2023-11-29 03:50:08,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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) [2023-11-29 03:50:08,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 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) [2023-11-29 03:50:08,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 374.0) internal successors, (1496), 4 states have internal predecessors, (1496), 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) [2023-11-29 03:50:08,623 INFO L175 Difference]: Start difference. First operand has 287 places, 313 transitions, 840 flow. Second operand 3 states and 881 transitions. [2023-11-29 03:50:08,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 335 transitions, 1022 flow [2023-11-29 03:50:08,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 335 transitions, 990 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:50:08,689 INFO L231 Difference]: Finished difference. Result has 289 places, 323 transitions, 914 flow [2023-11-29 03:50:08,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=914, PETRI_PLACES=289, PETRI_TRANSITIONS=323} [2023-11-29 03:50:08,691 INFO L281 CegarLoopForPetriNet]: 344 programPoint places, -55 predicate places. [2023-11-29 03:50:08,691 INFO L495 AbstractCegarLoop]: Abstraction has has 289 places, 323 transitions, 914 flow [2023-11-29 03:50:08,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 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) [2023-11-29 03:50:08,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:50:08,691 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:50:08,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:50:08,692 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-11-29 03:50:08,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:50:08,692 INFO L85 PathProgramCache]: Analyzing trace with hash 490110415, now seen corresponding path program 1 times [2023-11-29 03:50:08,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:50:08,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792603734] [2023-11-29 03:50:08,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:50:08,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:50:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:50:08,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:50:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:50:08,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:50:08,723 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:50:08,724 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 65 remaining) [2023-11-29 03:50:08,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (63 of 65 remaining) [2023-11-29 03:50:08,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (62 of 65 remaining) [2023-11-29 03:50:08,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (61 of 65 remaining) [2023-11-29 03:50:08,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (60 of 65 remaining) [2023-11-29 03:50:08,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (59 of 65 remaining) [2023-11-29 03:50:08,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (58 of 65 remaining) [2023-11-29 03:50:08,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (57 of 65 remaining) [2023-11-29 03:50:08,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (56 of 65 remaining) [2023-11-29 03:50:08,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (55 of 65 remaining) [2023-11-29 03:50:08,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (54 of 65 remaining) [2023-11-29 03:50:08,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (53 of 65 remaining) [2023-11-29 03:50:08,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (52 of 65 remaining) [2023-11-29 03:50:08,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (51 of 65 remaining) [2023-11-29 03:50:08,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (50 of 65 remaining) [2023-11-29 03:50:08,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (49 of 65 remaining) [2023-11-29 03:50:08,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (48 of 65 remaining) [2023-11-29 03:50:08,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (47 of 65 remaining) [2023-11-29 03:50:08,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (46 of 65 remaining) [2023-11-29 03:50:08,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 65 remaining) [2023-11-29 03:50:08,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (44 of 65 remaining) [2023-11-29 03:50:08,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 65 remaining) [2023-11-29 03:50:08,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (42 of 65 remaining) [2023-11-29 03:50:08,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 65 remaining) [2023-11-29 03:50:08,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 65 remaining) [2023-11-29 03:50:08,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (39 of 65 remaining) [2023-11-29 03:50:08,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (38 of 65 remaining) [2023-11-29 03:50:08,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (37 of 65 remaining) [2023-11-29 03:50:08,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (36 of 65 remaining) [2023-11-29 03:50:08,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 65 remaining) [2023-11-29 03:50:08,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (34 of 65 remaining) [2023-11-29 03:50:08,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (33 of 65 remaining) [2023-11-29 03:50:08,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (32 of 65 remaining) [2023-11-29 03:50:08,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 65 remaining) [2023-11-29 03:50:08,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 65 remaining) [2023-11-29 03:50:08,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 65 remaining) [2023-11-29 03:50:08,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 65 remaining) [2023-11-29 03:50:08,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 65 remaining) [2023-11-29 03:50:08,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 65 remaining) [2023-11-29 03:50:08,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 65 remaining) [2023-11-29 03:50:08,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 65 remaining) [2023-11-29 03:50:08,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (23 of 65 remaining) [2023-11-29 03:50:08,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (22 of 65 remaining) [2023-11-29 03:50:08,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (21 of 65 remaining) [2023-11-29 03:50:08,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (20 of 65 remaining) [2023-11-29 03:50:08,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 65 remaining) [2023-11-29 03:50:08,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 65 remaining) [2023-11-29 03:50:08,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 65 remaining) [2023-11-29 03:50:08,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 65 remaining) [2023-11-29 03:50:08,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 65 remaining) [2023-11-29 03:50:08,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 65 remaining) [2023-11-29 03:50:08,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 65 remaining) [2023-11-29 03:50:08,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 65 remaining) [2023-11-29 03:50:08,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 65 remaining) [2023-11-29 03:50:08,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 65 remaining) [2023-11-29 03:50:08,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (9 of 65 remaining) [2023-11-29 03:50:08,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (8 of 65 remaining) [2023-11-29 03:50:08,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 65 remaining) [2023-11-29 03:50:08,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (6 of 65 remaining) [2023-11-29 03:50:08,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 65 remaining) [2023-11-29 03:50:08,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (4 of 65 remaining) [2023-11-29 03:50:08,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (3 of 65 remaining) [2023-11-29 03:50:08,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 65 remaining) [2023-11-29 03:50:08,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 65 remaining) [2023-11-29 03:50:08,731 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 65 remaining) [2023-11-29 03:50:08,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 03:50:08,732 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 03:50:08,732 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 03:50:08,733 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-11-29 03:50:08,795 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 03:50:08,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 450 places, 490 transitions, 1008 flow [2023-11-29 03:50:08,935 INFO L124 PetriNetUnfolderBase]: 53/540 cut-off events. [2023-11-29 03:50:08,935 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-29 03:50:08,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 540 events. 53/540 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2516 event pairs, 0 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 473. Up to 10 conditions per place. [2023-11-29 03:50:08,945 INFO L82 GeneralOperation]: Start removeDead. Operand has 450 places, 490 transitions, 1008 flow [2023-11-29 03:50:08,960 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 450 places, 490 transitions, 1008 flow [2023-11-29 03:50:08,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:50:08,961 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;@397bb2da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:50:08,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2023-11-29 03:50:08,964 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:50:08,964 INFO L124 PetriNetUnfolderBase]: 2/28 cut-off events. [2023-11-29 03:50:08,964 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:50:08,964 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:50:08,964 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:50:08,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2023-11-29 03:50:08,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:50:08,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1390014829, now seen corresponding path program 1 times [2023-11-29 03:50:08,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:50:08,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965073498] [2023-11-29 03:50:08,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:50:08,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:50:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:50:08,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:50:08,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965073498] [2023-11-29 03:50:08,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965073498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:50:08,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:50:08,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:50:08,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822290330] [2023-11-29 03:50:08,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:50:08,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:50:08,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:50:08,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:50:08,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:50:08,984 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 490 [2023-11-29 03:50:08,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 490 transitions, 1008 flow. Second operand has 2 states, 2 states have (on average 377.0) internal successors, (754), 2 states have internal predecessors, (754), 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) [2023-11-29 03:50:08,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:50:08,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 490 [2023-11-29 03:50:08,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:50:13,427 INFO L124 PetriNetUnfolderBase]: 4560/30029 cut-off events. [2023-11-29 03:50:13,427 INFO L125 PetriNetUnfolderBase]: For 2401/2401 co-relation queries the response was YES. [2023-11-29 03:50:13,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36463 conditions, 30029 events. 4560/30029 cut-off events. For 2401/2401 co-relation queries the response was YES. Maximal size of possible extension queue 757. Compared 431478 event pairs, 3630 based on Foata normal form. 8665/34444 useless extension candidates. Maximal degree in co-relation 29370. Up to 5185 conditions per place. [2023-11-29 03:50:13,708 INFO L140 encePairwiseOnDemand]: 412/490 looper letters, 24 selfloop transitions, 0 changer transitions 0/367 dead transitions. [2023-11-29 03:50:13,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 367 transitions, 810 flow [2023-11-29 03:50:13,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:50:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 03:50:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 854 transitions. [2023-11-29 03:50:13,711 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8714285714285714 [2023-11-29 03:50:13,711 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 854 transitions. [2023-11-29 03:50:13,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 854 transitions. [2023-11-29 03:50:13,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:50:13,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 854 transitions. [2023-11-29 03:50:13,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 427.0) internal successors, (854), 2 states have internal predecessors, (854), 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) [2023-11-29 03:50:13,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 490.0) internal successors, (1470), 3 states have internal predecessors, (1470), 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) [2023-11-29 03:50:13,715 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 490.0) internal successors, (1470), 3 states have internal predecessors, (1470), 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) [2023-11-29 03:50:13,715 INFO L175 Difference]: Start difference. First operand has 450 places, 490 transitions, 1008 flow. Second operand 2 states and 854 transitions. [2023-11-29 03:50:13,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 367 transitions, 810 flow [2023-11-29 03:50:13,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 367 transitions, 804 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-11-29 03:50:13,721 INFO L231 Difference]: Finished difference. Result has 365 places, 367 transitions, 756 flow [2023-11-29 03:50:13,722 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=490, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=756, PETRI_PLACES=365, PETRI_TRANSITIONS=367} [2023-11-29 03:50:13,722 INFO L281 CegarLoopForPetriNet]: 450 programPoint places, -85 predicate places. [2023-11-29 03:50:13,722 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 367 transitions, 756 flow [2023-11-29 03:50:13,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 377.0) internal successors, (754), 2 states have internal predecessors, (754), 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) [2023-11-29 03:50:13,723 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:50:13,723 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] [2023-11-29 03:50:13,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 03:50:13,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2023-11-29 03:50:13,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:50:13,723 INFO L85 PathProgramCache]: Analyzing trace with hash 69484432, now seen corresponding path program 1 times [2023-11-29 03:50:13,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:50:13,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417383518] [2023-11-29 03:50:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:50:13,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:50:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:50:13,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:50:13,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417383518] [2023-11-29 03:50:13,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417383518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:50:13,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:50:13,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:50:13,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646918156] [2023-11-29 03:50:13,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:50:13,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:50:13,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:50:13,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:50:13,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:50:13,774 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 360 out of 490 [2023-11-29 03:50:13,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 367 transitions, 756 flow. Second operand has 3 states, 3 states have (on average 361.3333333333333) internal successors, (1084), 3 states have internal predecessors, (1084), 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) [2023-11-29 03:50:13,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:50:13,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 360 of 490 [2023-11-29 03:50:13,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:50:36,567 INFO L124 PetriNetUnfolderBase]: 40406/180219 cut-off events. [2023-11-29 03:50:36,567 INFO L125 PetriNetUnfolderBase]: For 4054/4054 co-relation queries the response was YES. [2023-11-29 03:50:37,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 234435 conditions, 180219 events. 40406/180219 cut-off events. For 4054/4054 co-relation queries the response was YES. Maximal size of possible extension queue 4940. Compared 3148573 event pairs, 14035 based on Foata normal form. 0/155504 useless extension candidates. Maximal degree in co-relation 234428. Up to 29309 conditions per place. [2023-11-29 03:50:38,449 INFO L140 encePairwiseOnDemand]: 474/490 looper letters, 63 selfloop transitions, 12 changer transitions 0/402 dead transitions. [2023-11-29 03:50:38,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 402 transitions, 991 flow [2023-11-29 03:50:38,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:50:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:50:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1159 transitions. [2023-11-29 03:50:38,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7884353741496599 [2023-11-29 03:50:38,453 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1159 transitions. [2023-11-29 03:50:38,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1159 transitions. [2023-11-29 03:50:38,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:50:38,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1159 transitions. [2023-11-29 03:50:38,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 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) [2023-11-29 03:50:38,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 490.0) internal successors, (1960), 4 states have internal predecessors, (1960), 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) [2023-11-29 03:50:38,460 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 490.0) internal successors, (1960), 4 states have internal predecessors, (1960), 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) [2023-11-29 03:50:38,460 INFO L175 Difference]: Start difference. First operand has 365 places, 367 transitions, 756 flow. Second operand 3 states and 1159 transitions. [2023-11-29 03:50:38,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 402 transitions, 991 flow [2023-11-29 03:50:38,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 402 transitions, 991 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:50:38,473 INFO L231 Difference]: Finished difference. Result has 369 places, 379 transitions, 860 flow [2023-11-29 03:50:38,473 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=490, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=860, PETRI_PLACES=369, PETRI_TRANSITIONS=379} [2023-11-29 03:50:38,474 INFO L281 CegarLoopForPetriNet]: 450 programPoint places, -81 predicate places. [2023-11-29 03:50:38,474 INFO L495 AbstractCegarLoop]: Abstraction has has 369 places, 379 transitions, 860 flow [2023-11-29 03:50:38,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 361.3333333333333) internal successors, (1084), 3 states have internal predecessors, (1084), 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) [2023-11-29 03:50:38,475 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:50:38,475 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] [2023-11-29 03:50:38,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:50:38,475 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2023-11-29 03:50:38,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:50:38,475 INFO L85 PathProgramCache]: Analyzing trace with hash 795180811, now seen corresponding path program 1 times [2023-11-29 03:50:38,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:50:38,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19114203] [2023-11-29 03:50:38,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:50:38,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:50:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:50:38,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:50:38,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:50:38,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19114203] [2023-11-29 03:50:38,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19114203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:50:38,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:50:38,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:50:38,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324997273] [2023-11-29 03:50:38,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:50:38,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:50:38,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:50:38,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:50:38,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:50:38,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 490 [2023-11-29 03:50:38,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 379 transitions, 860 flow. Second operand has 3 states, 3 states have (on average 356.0) internal successors, (1068), 3 states have internal predecessors, (1068), 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) [2023-11-29 03:50:38,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:50:38,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 490 [2023-11-29 03:50:38,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:51:12,036 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1802] L743-->L743-1: Formula: (and (= v_~m~0_152 0) (not (= (ite (= v_~m~0_153 1) 1 0) 0))) InVars {~m~0=v_~m~0_153} OutVars{thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1_7|, ~m~0=v_~m~0_152, thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet4#1_5|, #race~m~0=|v_#race~m~0_193|, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1_7|} AuxVars[] AssignedVars[~m~0, #race~m~0, thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1, thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet4#1, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1][188], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 462#true, 218#L739-1true, Black: 456#true, 217#L738-3true, 458#(= |#race~state~0| 0), 324#L743-1true, 90#L723-3true, 127#L752-5true, thr1Thread1of4ForFork0InUse, 453#true, thr1Thread2of4ForFork0InUse]) [2023-11-29 03:51:12,036 INFO L294 olderBase$Statistics]: this new event has 100 ancestors and is not cut-off event [2023-11-29 03:51:12,037 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is not cut-off event [2023-11-29 03:51:12,037 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is not cut-off event [2023-11-29 03:51:12,037 INFO L297 olderBase$Statistics]: existing Event has 100 ancestors and is not cut-off event [2023-11-29 03:51:15,367 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1810] L723-2-->L723-3: Formula: (= |v_thr1Thread4of4ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5| |v_#race~seed~0_1|) InVars {thr1Thread4of4ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1=|v_thr1Thread4of4ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5|} OutVars{#race~seed~0=|v_#race~seed~0_1|, thr1Thread4of4ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1=|v_thr1Thread4of4ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~seed~0][221], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 462#true, 218#L739-1true, Black: 456#true, 217#L738-3true, 458#(= |#race~state~0| 0), 90#L723-3true, 127#L752-5true, thr1Thread1of4ForFork0InUse, 453#true, 375#L723-3true, thr1Thread2of4ForFork0InUse]) [2023-11-29 03:51:15,367 INFO L294 olderBase$Statistics]: this new event has 103 ancestors and is cut-off event [2023-11-29 03:51:15,367 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2023-11-29 03:51:15,367 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2023-11-29 03:51:15,368 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2023-11-29 03:51:16,999 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1802] L743-->L743-1: Formula: (and (= v_~m~0_152 0) (not (= (ite (= v_~m~0_153 1) 1 0) 0))) InVars {~m~0=v_~m~0_153} OutVars{thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1_7|, ~m~0=v_~m~0_152, thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet4#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet4#1_5|, #race~m~0=|v_#race~m~0_193|, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1_7|} AuxVars[] AssignedVars[~m~0, #race~m~0, thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1, thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet4#1, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1][188], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 462#true, Black: 456#true, 217#L738-3true, 10#L719-1true, 458#(= |#race~state~0| 0), 324#L743-1true, 90#L723-3true, 127#L752-5true, thr1Thread1of4ForFork0InUse, 453#true, thr1Thread2of4ForFork0InUse]) [2023-11-29 03:51:16,999 INFO L294 olderBase$Statistics]: this new event has 103 ancestors and is not cut-off event [2023-11-29 03:51:16,999 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is not cut-off event [2023-11-29 03:51:16,999 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is not cut-off event [2023-11-29 03:51:16,999 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is not cut-off event [2023-11-29 03:51:20,405 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1810] L723-2-->L723-3: Formula: (= |v_thr1Thread4of4ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5| |v_#race~seed~0_1|) InVars {thr1Thread4of4ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1=|v_thr1Thread4of4ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5|} OutVars{#race~seed~0=|v_#race~seed~0_1|, thr1Thread4of4ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1=|v_thr1Thread4of4ForFork0_PseudoRandomUsingAtomic_constructor_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~seed~0][221], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 462#true, Black: 456#true, 217#L738-3true, 10#L719-1true, 458#(= |#race~state~0| 0), 90#L723-3true, 127#L752-5true, thr1Thread1of4ForFork0InUse, 453#true, 375#L723-3true, thr1Thread2of4ForFork0InUse]) [2023-11-29 03:51:20,405 INFO L294 olderBase$Statistics]: this new event has 106 ancestors and is cut-off event [2023-11-29 03:51:20,405 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2023-11-29 03:51:20,405 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event [2023-11-29 03:51:20,405 INFO L297 olderBase$Statistics]: existing Event has 106 ancestors and is cut-off event