./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU --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 1dad5daa490be7069cef5ea8bf1cf3314a40a44a4796167c86226f70cfcf68a2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:20,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:21,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:12:21,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:21,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:21,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:21,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:21,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:21,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:21,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:21,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:21,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:21,145 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:21,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:21,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:21,146 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:12:21,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:21,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:12:21,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:21,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:21,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:21,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:21,152 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:12:21,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:21,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:12:21,153 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:12:21,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:21,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:21,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:21,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:21,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:21,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:21,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:21,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:21,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:21,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:21,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:12:21,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:21,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:21,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:21,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:21,160 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_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dad5daa490be7069cef5ea8bf1cf3314a40a44a4796167c86226f70cfcf68a2 [2024-10-31 22:12:21,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:21,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:21,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:21,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:21,500 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:21,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c Unable to find full path for "g++" [2024-10-31 22:12:23,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:23,754 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:23,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2024-10-31 22:12:23,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/data/1dd4fdb37/99af6bf307aa4a5ba00275c4428f0f9d/FLAG6827be4e3 [2024-10-31 22:12:24,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/data/1dd4fdb37/99af6bf307aa4a5ba00275c4428f0f9d [2024-10-31 22:12:24,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:24,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:24,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:24,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:24,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:24,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffff3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24, skipping insertion in model container [2024-10-31 22:12:24,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:24,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:24,358 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:24,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:24,410 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:24,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24 WrapperNode [2024-10-31 22:12:24,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:24,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:24,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:24,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:24,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,459 INFO L138 Inliner]: procedures = 22, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 126 [2024-10-31 22:12:24,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:24,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:24,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:24,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:24,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:24,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:24,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:24,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:24,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (1/1) ... [2024-10-31 22:12:24,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:24,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:24,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:24,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:24,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:12:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:12:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:12:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:12:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:12:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:12:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-31 22:12:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-31 22:12:24,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:12:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:12:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:12:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:24,575 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:12:24,682 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:24,685 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:25,034 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:12:25,035 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:25,188 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:25,189 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:12:25,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:25 BoogieIcfgContainer [2024-10-31 22:12:25,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:25,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:25,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:25,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:25,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:24" (1/3) ... [2024-10-31 22:12:25,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278b4c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:25, skipping insertion in model container [2024-10-31 22:12:25,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:24" (2/3) ... [2024-10-31 22:12:25,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278b4c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:25, skipping insertion in model container [2024-10-31 22:12:25,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:25" (3/3) ... [2024-10-31 22:12:25,202 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2024-10-31 22:12:25,220 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:25,220 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-10-31 22:12:25,220 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:12:25,301 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-31 22:12:25,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 148 transitions, 324 flow [2024-10-31 22:12:25,423 INFO L124 PetriNetUnfolderBase]: 9/144 cut-off events. [2024-10-31 22:12:25,424 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:12:25,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 144 events. 9/144 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 203 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-10-31 22:12:25,432 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 148 transitions, 324 flow [2024-10-31 22:12:25,455 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 127 transitions, 278 flow [2024-10-31 22:12:25,476 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:25,484 INFO L333 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, 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;@117a62e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:25,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-10-31 22:12:25,511 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:12:25,515 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-10-31 22:12:25,515 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:12:25,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:25,518 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:25,520 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-31 22:12:25,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:25,531 INFO L85 PathProgramCache]: Analyzing trace with hash -753333478, now seen corresponding path program 1 times [2024-10-31 22:12:25,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:25,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680542405] [2024-10-31 22:12:25,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:25,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:25,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:25,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680542405] [2024-10-31 22:12:25,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680542405] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:25,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:25,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:25,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889448722] [2024-10-31 22:12:25,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:25,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:25,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:25,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:25,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:25,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 148 [2024-10-31 22:12:25,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 127 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2024-10-31 22:12:25,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:25,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 148 [2024-10-31 22:12:25,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:26,283 INFO L124 PetriNetUnfolderBase]: 399/1341 cut-off events. [2024-10-31 22:12:26,283 INFO L125 PetriNetUnfolderBase]: For 158/158 co-relation queries the response was YES. [2024-10-31 22:12:26,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2027 conditions, 1341 events. 399/1341 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9477 event pairs, 272 based on Foata normal form. 0/1161 useless extension candidates. Maximal degree in co-relation 1847. Up to 559 conditions per place. [2024-10-31 22:12:26,348 INFO L140 encePairwiseOnDemand]: 131/148 looper letters, 19 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-10-31 22:12:26,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 112 transitions, 290 flow [2024-10-31 22:12:26,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:26,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:12:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-10-31 22:12:26,365 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2024-10-31 22:12:26,367 INFO L175 Difference]: Start difference. First operand has 132 places, 127 transitions, 278 flow. Second operand 3 states and 363 transitions. [2024-10-31 22:12:26,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 112 transitions, 290 flow [2024-10-31 22:12:26,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 274 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-31 22:12:26,382 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 236 flow [2024-10-31 22:12:26,385 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=115, PETRI_TRANSITIONS=112} [2024-10-31 22:12:26,390 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -17 predicate places. [2024-10-31 22:12:26,391 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 236 flow [2024-10-31 22:12:26,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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) [2024-10-31 22:12:26,392 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:26,392 INFO L204 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] [2024-10-31 22:12:26,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:12:26,392 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-31 22:12:26,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:26,394 INFO L85 PathProgramCache]: Analyzing trace with hash -137332290, now seen corresponding path program 1 times [2024-10-31 22:12:26,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:26,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779132853] [2024-10-31 22:12:26,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:26,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:26,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:26,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779132853] [2024-10-31 22:12:26,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779132853] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:26,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:26,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:26,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123372949] [2024-10-31 22:12:26,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:26,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:26,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:26,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:26,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:26,558 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 148 [2024-10-31 22:12:26,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 112 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2024-10-31 22:12:26,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:26,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 148 [2024-10-31 22:12:26,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:27,093 INFO L124 PetriNetUnfolderBase]: 1225/3109 cut-off events. [2024-10-31 22:12:27,094 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES. [2024-10-31 22:12:27,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4844 conditions, 3109 events. 1225/3109 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 24873 event pairs, 747 based on Foata normal form. 0/2846 useless extension candidates. Maximal degree in co-relation 4815. Up to 1640 conditions per place. [2024-10-31 22:12:27,126 INFO L140 encePairwiseOnDemand]: 140/148 looper letters, 24 selfloop transitions, 4 changer transitions 0/115 dead transitions. [2024-10-31 22:12:27,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 115 transitions, 301 flow [2024-10-31 22:12:27,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:27,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:12:27,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2024-10-31 22:12:27,130 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.795045045045045 [2024-10-31 22:12:27,130 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 236 flow. Second operand 3 states and 353 transitions. [2024-10-31 22:12:27,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 115 transitions, 301 flow [2024-10-31 22:12:27,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 115 transitions, 297 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:12:27,138 INFO L231 Difference]: Finished difference. Result has 112 places, 112 transitions, 252 flow [2024-10-31 22:12:27,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=112, PETRI_TRANSITIONS=112} [2024-10-31 22:12:27,141 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -20 predicate places. [2024-10-31 22:12:27,141 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 112 transitions, 252 flow [2024-10-31 22:12:27,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2024-10-31 22:12:27,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:27,143 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-10-31 22:12:27,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:12:27,143 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-31 22:12:27,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:27,146 INFO L85 PathProgramCache]: Analyzing trace with hash 177181730, now seen corresponding path program 1 times [2024-10-31 22:12:27,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:27,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404531173] [2024-10-31 22:12:27,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:27,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:27,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:27,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404531173] [2024-10-31 22:12:27,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404531173] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:27,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:27,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:27,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445412993] [2024-10-31 22:12:27,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:27,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:27,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:27,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:27,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:27,320 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2024-10-31 22:12:27,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 112 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2024-10-31 22:12:27,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:27,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2024-10-31 22:12:27,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:27,409 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([495] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][72], [Black: 158#true, 112#L90-4true, 25#L51-2true, 101#L62-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true]) [2024-10-31 22:12:27,410 INFO L294 olderBase$Statistics]: this new event has 62 ancestors and is cut-off event [2024-10-31 22:12:27,410 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2024-10-31 22:12:27,410 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2024-10-31 22:12:27,410 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2024-10-31 22:12:27,459 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 12#L91-4true, 89#$Ultimate##0true]) [2024-10-31 22:12:27,459 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-31 22:12:27,459 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,459 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-31 22:12:27,459 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,461 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 12#L91-4true, 135#$Ultimate##0true]) [2024-10-31 22:12:27,462 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-31 22:12:27,462 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,462 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-31 22:12:27,462 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,464 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 12#L91-4true, 7#$Ultimate##0true]) [2024-10-31 22:12:27,464 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-31 22:12:27,465 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-31 22:12:27,465 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,465 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,479 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 12#L91-4true]) [2024-10-31 22:12:27,479 INFO L294 olderBase$Statistics]: this new event has 71 ancestors and is cut-off event [2024-10-31 22:12:27,479 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2024-10-31 22:12:27,480 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2024-10-31 22:12:27,480 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-10-31 22:12:27,518 INFO L124 PetriNetUnfolderBase]: 300/1028 cut-off events. [2024-10-31 22:12:27,519 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-10-31 22:12:27,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 1028 events. 300/1028 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 6695 event pairs, 112 based on Foata normal form. 0/903 useless extension candidates. Maximal degree in co-relation 1121. Up to 245 conditions per place. [2024-10-31 22:12:27,534 INFO L140 encePairwiseOnDemand]: 146/148 looper letters, 13 selfloop transitions, 1 changer transitions 0/111 dead transitions. [2024-10-31 22:12:27,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 111 transitions, 278 flow [2024-10-31 22:12:27,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:27,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:12:27,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2024-10-31 22:12:27,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8243243243243243 [2024-10-31 22:12:27,537 INFO L175 Difference]: Start difference. First operand has 112 places, 112 transitions, 252 flow. Second operand 3 states and 366 transitions. [2024-10-31 22:12:27,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 111 transitions, 278 flow [2024-10-31 22:12:27,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 111 transitions, 278 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:12:27,542 INFO L231 Difference]: Finished difference. Result has 113 places, 111 transitions, 252 flow [2024-10-31 22:12:27,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=113, PETRI_TRANSITIONS=111} [2024-10-31 22:12:27,543 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -19 predicate places. [2024-10-31 22:12:27,544 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 111 transitions, 252 flow [2024-10-31 22:12:27,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2024-10-31 22:12:27,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:27,545 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-10-31 22:12:27,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:12:27,546 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2024-10-31 22:12:27,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:27,547 INFO L85 PathProgramCache]: Analyzing trace with hash 670593026, now seen corresponding path program 1 times [2024-10-31 22:12:27,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:27,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132493621] [2024-10-31 22:12:27,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:27,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:27,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:27,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132493621] [2024-10-31 22:12:27,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132493621] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:27,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:27,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:12:27,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58942949] [2024-10-31 22:12:27,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:27,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:27,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:27,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:27,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:27,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2024-10-31 22:12:27,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 111 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2024-10-31 22:12:27,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:27,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2024-10-31 22:12:27,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:27,751 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([495] L62-7-->L62-2: Formula: (= |v_#race~N~0_7| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_7|} AuxVars[] AssignedVars[#race~N~0][72], [Black: 158#true, 112#L90-4true, 25#L51-2true, 101#L62-2true, 162#true, 160#(= |#race~N~0| 0), 165#true, 41#L41-2true]) [2024-10-31 22:12:27,752 INFO L294 olderBase$Statistics]: this new event has 62 ancestors and is cut-off event [2024-10-31 22:12:27,752 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2024-10-31 22:12:27,752 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2024-10-31 22:12:27,752 INFO L297 olderBase$Statistics]: existing Event has 55 ancestors and is cut-off event [2024-10-31 22:12:27,786 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 165#true, 12#L91-4true, 89#$Ultimate##0true]) [2024-10-31 22:12:27,787 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-31 22:12:27,787 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,788 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-31 22:12:27,788 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,790 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 165#true, 12#L91-4true, 135#$Ultimate##0true]) [2024-10-31 22:12:27,790 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-31 22:12:27,790 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,791 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-31 22:12:27,791 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,793 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 165#true, 12#L91-4true, 7#$Ultimate##0true]) [2024-10-31 22:12:27,794 INFO L294 olderBase$Statistics]: this new event has 68 ancestors and is cut-off event [2024-10-31 22:12:27,794 INFO L297 olderBase$Statistics]: existing Event has 54 ancestors and is cut-off event [2024-10-31 22:12:27,794 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,794 INFO L297 olderBase$Statistics]: existing Event has 61 ancestors and is cut-off event [2024-10-31 22:12:27,809 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([512] L72-7-->L72-2: Formula: (= |v_#race~N~0_13| 0) InVars {} OutVars{#race~N~0=|v_#race~N~0_13|} AuxVars[] AssignedVars[#race~N~0][91], [Black: 158#true, 25#L51-2true, 101#L62-2true, 140#L72-2true, 162#true, 160#(= |#race~N~0| 0), 41#L41-2true, 165#true, 12#L91-4true]) [2024-10-31 22:12:27,809 INFO L294 olderBase$Statistics]: this new event has 71 ancestors and is cut-off event [2024-10-31 22:12:27,809 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2024-10-31 22:12:27,809 INFO L297 olderBase$Statistics]: existing Event has 64 ancestors and is cut-off event [2024-10-31 22:12:27,810 INFO L297 olderBase$Statistics]: existing Event has 57 ancestors and is cut-off event [2024-10-31 22:12:27,840 INFO L124 PetriNetUnfolderBase]: 300/1027 cut-off events. [2024-10-31 22:12:27,840 INFO L125 PetriNetUnfolderBase]: For 24/28 co-relation queries the response was YES. [2024-10-31 22:12:27,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 1027 events. 300/1027 cut-off events. For 24/28 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 6735 event pairs, 112 based on Foata normal form. 1/903 useless extension candidates. Maximal degree in co-relation 1500. Up to 245 conditions per place. [2024-10-31 22:12:27,847 INFO L140 encePairwiseOnDemand]: 146/148 looper letters, 0 selfloop transitions, 0 changer transitions 110/110 dead transitions. [2024-10-31 22:12:27,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 110 transitions, 276 flow [2024-10-31 22:12:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:27,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:12:27,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2024-10-31 22:12:27,865 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8220720720720721 [2024-10-31 22:12:27,865 INFO L175 Difference]: Start difference. First operand has 113 places, 111 transitions, 252 flow. Second operand 3 states and 365 transitions. [2024-10-31 22:12:27,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 110 transitions, 276 flow [2024-10-31 22:12:27,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 275 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:12:27,867 INFO L231 Difference]: Finished difference. Result has 113 places, 0 transitions, 0 flow [2024-10-31 22:12:27,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=113, PETRI_TRANSITIONS=0} [2024-10-31 22:12:27,868 INFO L277 CegarLoopForPetriNet]: 132 programPoint places, -19 predicate places. [2024-10-31 22:12:27,869 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 0 transitions, 0 flow [2024-10-31 22:12:27,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2024-10-31 22:12:27,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (34 of 35 remaining) [2024-10-31 22:12:27,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2024-10-31 22:12:27,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2024-10-31 22:12:27,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2024-10-31 22:12:27,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2024-10-31 22:12:27,874 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2024-10-31 22:12:27,874 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2024-10-31 22:12:27,874 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2024-10-31 22:12:27,874 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2024-10-31 22:12:27,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2024-10-31 22:12:27,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2024-10-31 22:12:27,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2024-10-31 22:12:27,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2024-10-31 22:12:27,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 35 remaining) [2024-10-31 22:12:27,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 35 remaining) [2024-10-31 22:12:27,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 35 remaining) [2024-10-31 22:12:27,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 35 remaining) [2024-10-31 22:12:27,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2024-10-31 22:12:27,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2024-10-31 22:12:27,877 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (15 of 35 remaining) [2024-10-31 22:12:27,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (14 of 35 remaining) [2024-10-31 22:12:27,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 35 remaining) [2024-10-31 22:12:27,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 35 remaining) [2024-10-31 22:12:27,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2024-10-31 22:12:27,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2024-10-31 22:12:27,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2024-10-31 22:12:27,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2024-10-31 22:12:27,879 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2024-10-31 22:12:27,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2024-10-31 22:12:27,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2024-10-31 22:12:27,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2024-10-31 22:12:27,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2024-10-31 22:12:27,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2024-10-31 22:12:27,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2024-10-31 22:12:27,881 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2024-10-31 22:12:27,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:12:27,882 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:12:27,888 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:12:27,888 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:12:27,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:12:27 BasicIcfg [2024-10-31 22:12:27,897 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:12:27,898 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:12:27,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:12:27,899 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:12:27,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:25" (3/4) ... [2024-10-31 22:12:27,902 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:12:27,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 22:12:27,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 22:12:27,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-31 22:12:27,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-10-31 22:12:27,911 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-31 22:12:27,911 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:12:27,911 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-31 22:12:27,911 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:12:28,010 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:12:28,010 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:12:28,010 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:12:28,011 INFO L158 Benchmark]: Toolchain (without parser) took 3943.47ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 138.4MB in the beginning and 145.1MB in the end (delta: -6.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,012 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:28,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.51ms. Allocated memory is still 167.8MB. Free memory was 138.4MB in the beginning and 124.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.55ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 123.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,013 INFO L158 Benchmark]: Boogie Preprocessor took 34.00ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 121.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:28,013 INFO L158 Benchmark]: RCFGBuilder took 690.69ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 96.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,014 INFO L158 Benchmark]: TraceAbstraction took 2704.85ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 95.3MB in the beginning and 150.4MB in the end (delta: -55.1MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,014 INFO L158 Benchmark]: Witness Printer took 112.90ms. Allocated memory is still 201.3MB. Free memory was 149.4MB in the beginning and 145.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:12:28,016 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.51ms. Allocated memory is still 167.8MB. Free memory was 138.4MB in the beginning and 124.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.55ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 123.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.00ms. Allocated memory is still 167.8MB. Free memory was 123.1MB in the beginning and 121.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 690.69ms. Allocated memory is still 167.8MB. Free memory was 121.6MB in the beginning and 96.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2704.85ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 95.3MB in the beginning and 150.4MB in the end (delta: -55.1MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Witness Printer took 112.90ms. Allocated memory is still 201.3MB. Free memory was 149.4MB in the beginning and 145.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 210 locations, 35 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 8 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=278occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:12:28,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78e73853-5c15-474b-af68-19c6bd05e3d0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE