./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c --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_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:04,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:04,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:54:04,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:04,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:04,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:04,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:04,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:04,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:54:04,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:54:04,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:04,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:04,288 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:04,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:04,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:54:04,290 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:54:04,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:54:04,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:54:04,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:04,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:54:04,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:54:04,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:54:04,297 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:54:04,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:54:04,298 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:54:04,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:04,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:04,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:04,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:04,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:54:04,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:04,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:04,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:54:04,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:54:04,302 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:54:04,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:54:04,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:54:04,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:54:04,304 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:54:04,304 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:54:04,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:54:04,306 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_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 [2023-11-26 11:54:04,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:54:04,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:54:04,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:54:04,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:54:04,632 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:54:04,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-26 11:54:07,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:54:07,981 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:54:07,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-26 11:54:07,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/data/800d8a206/37886bfc709e4f4097135180b9d5c360/FLAGb074916a4 [2023-11-26 11:54:08,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/data/800d8a206/37886bfc709e4f4097135180b9d5c360 [2023-11-26 11:54:08,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:54:08,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:54:08,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:08,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:54:08,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:54:08,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7172b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08, skipping insertion in model container [2023-11-26 11:54:08,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,051 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:54:08,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:08,277 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:54:08,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:08,323 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:54:08,323 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:54:08,332 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:54:08,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08 WrapperNode [2023-11-26 11:54:08,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:08,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:08,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:54:08,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:54:08,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,428 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 308 [2023-11-26 11:54:08,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:08,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:08,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:08,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:08,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:08,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:08,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:08,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:08,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (1/1) ... [2023-11-26 11:54:08,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:08,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:08,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:08,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:54:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:54:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:54:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:54:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 11:54:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 11:54:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 11:54:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 11:54:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 11:54:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 11:54:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:54:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:54:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:54:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:54:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:08,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:54:08,630 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:54:08,758 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:08,760 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:09,456 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:09,781 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:09,781 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 11:54:09,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:09 BoogieIcfgContainer [2023-11-26 11:54:09,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:09,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:54:09,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:54:09,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:54:09,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:54:08" (1/3) ... [2023-11-26 11:54:09,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5c34ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:09, skipping insertion in model container [2023-11-26 11:54:09,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:08" (2/3) ... [2023-11-26 11:54:09,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5c34ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:09, skipping insertion in model container [2023-11-26 11:54:09,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:09" (3/3) ... [2023-11-26 11:54:09,798 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2023-11-26 11:54:09,808 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:54:09,819 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:54:09,819 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2023-11-26 11:54:09,819 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:54:09,981 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-26 11:54:10,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 252 transitions, 525 flow [2023-11-26 11:54:10,199 INFO L124 PetriNetUnfolderBase]: 13/249 cut-off events. [2023-11-26 11:54:10,199 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 11:54:10,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 249 events. 13/249 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 288 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2023-11-26 11:54:10,212 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 252 transitions, 525 flow [2023-11-26 11:54:10,230 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 226 transitions, 470 flow [2023-11-26 11:54:10,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:54:10,253 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;@778ad85e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:54:10,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2023-11-26 11:54:10,259 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:54:10,259 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-26 11:54:10,259 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:54:10,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:10,260 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] [2023-11-26 11:54:10,261 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:10,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:10,266 INFO L85 PathProgramCache]: Analyzing trace with hash -992337568, now seen corresponding path program 1 times [2023-11-26 11:54:10,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:10,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214282888] [2023-11-26 11:54:10,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:10,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:10,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:10,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214282888] [2023-11-26 11:54:10,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214282888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:10,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:10,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:10,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825351611] [2023-11-26 11:54:10,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:10,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:10,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:10,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:10,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:10,667 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 252 [2023-11-26 11:54:10,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 226 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:10,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:10,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 252 [2023-11-26 11:54:10,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:11,060 INFO L124 PetriNetUnfolderBase]: 178/807 cut-off events. [2023-11-26 11:54:11,061 INFO L125 PetriNetUnfolderBase]: For 130/133 co-relation queries the response was YES. [2023-11-26 11:54:11,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1140 conditions, 807 events. 178/807 cut-off events. For 130/133 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4539 event pairs, 103 based on Foata normal form. 68/748 useless extension candidates. Maximal degree in co-relation 940. Up to 258 conditions per place. [2023-11-26 11:54:11,078 INFO L140 encePairwiseOnDemand]: 230/252 looper letters, 19 selfloop transitions, 2 changer transitions 3/206 dead transitions. [2023-11-26 11:54:11,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 206 transitions, 472 flow [2023-11-26 11:54:11,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:11,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 665 transitions. [2023-11-26 11:54:11,102 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8796296296296297 [2023-11-26 11:54:11,103 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 665 transitions. [2023-11-26 11:54:11,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 665 transitions. [2023-11-26 11:54:11,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:11,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 665 transitions. [2023-11-26 11:54:11,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,128 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,130 INFO L175 Difference]: Start difference. First operand has 224 places, 226 transitions, 470 flow. Second operand 3 states and 665 transitions. [2023-11-26 11:54:11,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 206 transitions, 472 flow [2023-11-26 11:54:11,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 206 transitions, 460 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-26 11:54:11,144 INFO L231 Difference]: Finished difference. Result has 207 places, 203 transitions, 416 flow [2023-11-26 11:54:11,146 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=207, PETRI_TRANSITIONS=203} [2023-11-26 11:54:11,151 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -17 predicate places. [2023-11-26 11:54:11,151 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 203 transitions, 416 flow [2023-11-26 11:54:11,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:11,153 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] [2023-11-26 11:54:11,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:54:11,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:11,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:11,155 INFO L85 PathProgramCache]: Analyzing trace with hash 890863781, now seen corresponding path program 1 times [2023-11-26 11:54:11,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:11,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021791488] [2023-11-26 11:54:11,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:11,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:11,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:11,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021791488] [2023-11-26 11:54:11,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021791488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:11,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:11,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:11,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190882025] [2023-11-26 11:54:11,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:11,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:11,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:11,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:11,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:11,326 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 252 [2023-11-26 11:54:11,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 203 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:11,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 252 [2023-11-26 11:54:11,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:11,576 INFO L124 PetriNetUnfolderBase]: 159/828 cut-off events. [2023-11-26 11:54:11,577 INFO L125 PetriNetUnfolderBase]: For 21/26 co-relation queries the response was YES. [2023-11-26 11:54:11,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 828 events. 159/828 cut-off events. For 21/26 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4686 event pairs, 97 based on Foata normal form. 0/714 useless extension candidates. Maximal degree in co-relation 1058. Up to 237 conditions per place. [2023-11-26 11:54:11,587 INFO L140 encePairwiseOnDemand]: 249/252 looper letters, 19 selfloop transitions, 2 changer transitions 0/202 dead transitions. [2023-11-26 11:54:11,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 202 transitions, 456 flow [2023-11-26 11:54:11,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:11,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2023-11-26 11:54:11,591 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8544973544973545 [2023-11-26 11:54:11,592 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 646 transitions. [2023-11-26 11:54:11,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 646 transitions. [2023-11-26 11:54:11,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:11,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 646 transitions. [2023-11-26 11:54:11,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,600 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,600 INFO L175 Difference]: Start difference. First operand has 207 places, 203 transitions, 416 flow. Second operand 3 states and 646 transitions. [2023-11-26 11:54:11,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 202 transitions, 456 flow [2023-11-26 11:54:11,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 202 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:11,613 INFO L231 Difference]: Finished difference. Result has 203 places, 202 transitions, 414 flow [2023-11-26 11:54:11,614 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=203, PETRI_TRANSITIONS=202} [2023-11-26 11:54:11,618 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -21 predicate places. [2023-11-26 11:54:11,618 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 202 transitions, 414 flow [2023-11-26 11:54:11,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,619 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:11,620 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] [2023-11-26 11:54:11,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:54:11,622 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:11,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:11,624 INFO L85 PathProgramCache]: Analyzing trace with hash 381630564, now seen corresponding path program 1 times [2023-11-26 11:54:11,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:11,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147424805] [2023-11-26 11:54:11,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:11,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:11,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:11,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:11,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147424805] [2023-11-26 11:54:11,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147424805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:11,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:11,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:11,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149751314] [2023-11-26 11:54:11,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:11,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:11,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:11,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:11,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:11,767 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 252 [2023-11-26 11:54:11,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 202 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:11,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:11,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 252 [2023-11-26 11:54:11,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:12,013 INFO L124 PetriNetUnfolderBase]: 228/951 cut-off events. [2023-11-26 11:54:12,014 INFO L125 PetriNetUnfolderBase]: For 27/37 co-relation queries the response was YES. [2023-11-26 11:54:12,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1316 conditions, 951 events. 228/951 cut-off events. For 27/37 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5752 event pairs, 148 based on Foata normal form. 0/827 useless extension candidates. Maximal degree in co-relation 1278. Up to 338 conditions per place. [2023-11-26 11:54:12,025 INFO L140 encePairwiseOnDemand]: 247/252 looper letters, 20 selfloop transitions, 1 changer transitions 0/198 dead transitions. [2023-11-26 11:54:12,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 198 transitions, 448 flow [2023-11-26 11:54:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 643 transitions. [2023-11-26 11:54:12,028 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8505291005291006 [2023-11-26 11:54:12,028 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 643 transitions. [2023-11-26 11:54:12,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 643 transitions. [2023-11-26 11:54:12,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:12,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 643 transitions. [2023-11-26 11:54:12,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:12,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:12,035 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:12,035 INFO L175 Difference]: Start difference. First operand has 203 places, 202 transitions, 414 flow. Second operand 3 states and 643 transitions. [2023-11-26 11:54:12,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 198 transitions, 448 flow [2023-11-26 11:54:12,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 198 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:12,041 INFO L231 Difference]: Finished difference. Result has 199 places, 198 transitions, 404 flow [2023-11-26 11:54:12,041 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=199, PETRI_TRANSITIONS=198} [2023-11-26 11:54:12,042 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -25 predicate places. [2023-11-26 11:54:12,042 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 198 transitions, 404 flow [2023-11-26 11:54:12,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:12,043 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:12,044 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:12,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:54:12,044 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:12,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:12,045 INFO L85 PathProgramCache]: Analyzing trace with hash -987319393, now seen corresponding path program 1 times [2023-11-26 11:54:12,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:12,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12016111] [2023-11-26 11:54:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:12,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:12,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:12,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12016111] [2023-11-26 11:54:12,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12016111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:12,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:12,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:12,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310500474] [2023-11-26 11:54:12,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:12,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:12,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:12,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:12,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:12,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 252 [2023-11-26 11:54:12,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 198 transitions, 404 flow. Second operand has 6 states, 6 states have (on average 194.5) internal successors, (1167), 6 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:12,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:12,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 252 [2023-11-26 11:54:12,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:13,430 INFO L124 PetriNetUnfolderBase]: 520/1656 cut-off events. [2023-11-26 11:54:13,431 INFO L125 PetriNetUnfolderBase]: For 26/37 co-relation queries the response was YES. [2023-11-26 11:54:13,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2406 conditions, 1656 events. 520/1656 cut-off events. For 26/37 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 11213 event pairs, 328 based on Foata normal form. 0/1460 useless extension candidates. Maximal degree in co-relation 2369. Up to 729 conditions per place. [2023-11-26 11:54:13,451 INFO L140 encePairwiseOnDemand]: 246/252 looper letters, 32 selfloop transitions, 5 changer transitions 0/197 dead transitions. [2023-11-26 11:54:13,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 197 transitions, 476 flow [2023-11-26 11:54:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:54:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1196 transitions. [2023-11-26 11:54:13,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.791005291005291 [2023-11-26 11:54:13,456 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1196 transitions. [2023-11-26 11:54:13,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1196 transitions. [2023-11-26 11:54:13,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:13,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1196 transitions. [2023-11-26 11:54:13,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.33333333333334) internal successors, (1196), 6 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,468 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,468 INFO L175 Difference]: Start difference. First operand has 199 places, 198 transitions, 404 flow. Second operand 6 states and 1196 transitions. [2023-11-26 11:54:13,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 197 transitions, 476 flow [2023-11-26 11:54:13,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 197 transitions, 475 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:54:13,525 INFO L231 Difference]: Finished difference. Result has 202 places, 197 transitions, 411 flow [2023-11-26 11:54:13,526 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=411, PETRI_PLACES=202, PETRI_TRANSITIONS=197} [2023-11-26 11:54:13,526 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -22 predicate places. [2023-11-26 11:54:13,527 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 197 transitions, 411 flow [2023-11-26 11:54:13,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.5) internal successors, (1167), 6 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,528 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:13,528 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:13,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:54:13,528 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:13,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:13,529 INFO L85 PathProgramCache]: Analyzing trace with hash -904414589, now seen corresponding path program 1 times [2023-11-26 11:54:13,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:13,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682547995] [2023-11-26 11:54:13,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:13,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:13,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:13,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682547995] [2023-11-26 11:54:13,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682547995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:13,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:13,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:13,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396503134] [2023-11-26 11:54:13,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:13,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:13,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:13,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:13,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:13,621 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 252 [2023-11-26 11:54:13,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 197 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:13,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 252 [2023-11-26 11:54:13,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:13,770 INFO L124 PetriNetUnfolderBase]: 112/649 cut-off events. [2023-11-26 11:54:13,772 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2023-11-26 11:54:13,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 832 conditions, 649 events. 112/649 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3154 event pairs, 56 based on Foata normal form. 0/581 useless extension candidates. Maximal degree in co-relation 814. Up to 160 conditions per place. [2023-11-26 11:54:13,779 INFO L140 encePairwiseOnDemand]: 249/252 looper letters, 15 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2023-11-26 11:54:13,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 196 transitions, 443 flow [2023-11-26 11:54:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2023-11-26 11:54:13,782 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8650793650793651 [2023-11-26 11:54:13,782 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 654 transitions. [2023-11-26 11:54:13,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 654 transitions. [2023-11-26 11:54:13,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:13,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 654 transitions. [2023-11-26 11:54:13,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,788 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,788 INFO L175 Difference]: Start difference. First operand has 202 places, 197 transitions, 411 flow. Second operand 3 states and 654 transitions. [2023-11-26 11:54:13,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 196 transitions, 443 flow [2023-11-26 11:54:13,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 196 transitions, 433 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:54:13,794 INFO L231 Difference]: Finished difference. Result has 198 places, 196 transitions, 403 flow [2023-11-26 11:54:13,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=198, PETRI_TRANSITIONS=196} [2023-11-26 11:54:13,797 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -26 predicate places. [2023-11-26 11:54:13,797 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 196 transitions, 403 flow [2023-11-26 11:54:13,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,798 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:13,798 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:13,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:54:13,799 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:13,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:13,800 INFO L85 PathProgramCache]: Analyzing trace with hash 741907273, now seen corresponding path program 1 times [2023-11-26 11:54:13,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:13,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379463026] [2023-11-26 11:54:13,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:13,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:13,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:13,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379463026] [2023-11-26 11:54:13,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379463026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:13,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:13,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:13,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617990525] [2023-11-26 11:54:13,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:13,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:13,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:13,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:13,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:13,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 252 [2023-11-26 11:54:13,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 196 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:13,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:13,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 252 [2023-11-26 11:54:13,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:14,099 INFO L124 PetriNetUnfolderBase]: 266/873 cut-off events. [2023-11-26 11:54:14,100 INFO L125 PetriNetUnfolderBase]: For 56/59 co-relation queries the response was YES. [2023-11-26 11:54:14,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1268 conditions, 873 events. 266/873 cut-off events. For 56/59 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4829 event pairs, 164 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1230. Up to 369 conditions per place. [2023-11-26 11:54:14,110 INFO L140 encePairwiseOnDemand]: 247/252 looper letters, 20 selfloop transitions, 1 changer transitions 0/192 dead transitions. [2023-11-26 11:54:14,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 192 transitions, 437 flow [2023-11-26 11:54:14,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 643 transitions. [2023-11-26 11:54:14,114 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8505291005291006 [2023-11-26 11:54:14,114 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 643 transitions. [2023-11-26 11:54:14,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 643 transitions. [2023-11-26 11:54:14,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:14,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 643 transitions. [2023-11-26 11:54:14,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:14,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:14,122 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:14,122 INFO L175 Difference]: Start difference. First operand has 198 places, 196 transitions, 403 flow. Second operand 3 states and 643 transitions. [2023-11-26 11:54:14,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 192 transitions, 437 flow [2023-11-26 11:54:14,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 192 transitions, 433 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:14,128 INFO L231 Difference]: Finished difference. Result has 194 places, 192 transitions, 393 flow [2023-11-26 11:54:14,129 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=194, PETRI_TRANSITIONS=192} [2023-11-26 11:54:14,132 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -30 predicate places. [2023-11-26 11:54:14,132 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 192 transitions, 393 flow [2023-11-26 11:54:14,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:14,133 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:14,133 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:14,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:54:14,133 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:14,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:14,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1603148619, now seen corresponding path program 1 times [2023-11-26 11:54:14,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:14,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824025082] [2023-11-26 11:54:14,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:14,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:14,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:14,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824025082] [2023-11-26 11:54:14,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824025082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:14,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:14,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:14,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821540044] [2023-11-26 11:54:14,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:14,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:14,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:14,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:14,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:14,967 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 252 [2023-11-26 11:54:14,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 192 transitions, 393 flow. Second operand has 6 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:14,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:14,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 252 [2023-11-26 11:54:14,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:15,375 INFO L124 PetriNetUnfolderBase]: 517/1261 cut-off events. [2023-11-26 11:54:15,375 INFO L125 PetriNetUnfolderBase]: For 9/14 co-relation queries the response was YES. [2023-11-26 11:54:15,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1981 conditions, 1261 events. 517/1261 cut-off events. For 9/14 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 6753 event pairs, 42 based on Foata normal form. 4/1187 useless extension candidates. Maximal degree in co-relation 1942. Up to 263 conditions per place. [2023-11-26 11:54:15,390 INFO L140 encePairwiseOnDemand]: 247/252 looper letters, 43 selfloop transitions, 4 changer transitions 0/215 dead transitions. [2023-11-26 11:54:15,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 215 transitions, 533 flow [2023-11-26 11:54:15,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:15,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:54:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1278 transitions. [2023-11-26 11:54:15,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8452380952380952 [2023-11-26 11:54:15,395 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1278 transitions. [2023-11-26 11:54:15,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1278 transitions. [2023-11-26 11:54:15,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:15,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1278 transitions. [2023-11-26 11:54:15,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:15,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:15,405 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:15,405 INFO L175 Difference]: Start difference. First operand has 194 places, 192 transitions, 393 flow. Second operand 6 states and 1278 transitions. [2023-11-26 11:54:15,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 215 transitions, 533 flow [2023-11-26 11:54:15,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 215 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:54:15,411 INFO L231 Difference]: Finished difference. Result has 197 places, 191 transitions, 398 flow [2023-11-26 11:54:15,412 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=398, PETRI_PLACES=197, PETRI_TRANSITIONS=191} [2023-11-26 11:54:15,412 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -27 predicate places. [2023-11-26 11:54:15,413 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 191 transitions, 398 flow [2023-11-26 11:54:15,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:15,414 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:15,414 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-11-26 11:54:15,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:54:15,415 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:15,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:15,415 INFO L85 PathProgramCache]: Analyzing trace with hash 377389538, now seen corresponding path program 1 times [2023-11-26 11:54:15,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:15,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013726129] [2023-11-26 11:54:15,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:15,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:16,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:16,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013726129] [2023-11-26 11:54:16,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013726129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:16,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:16,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:16,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649308328] [2023-11-26 11:54:16,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:16,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:16,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:16,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:16,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:16,231 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 252 [2023-11-26 11:54:16,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 191 transitions, 398 flow. Second operand has 6 states, 6 states have (on average 206.83333333333334) internal successors, (1241), 6 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:16,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:16,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 252 [2023-11-26 11:54:16,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:16,511 INFO L124 PetriNetUnfolderBase]: 202/758 cut-off events. [2023-11-26 11:54:16,511 INFO L125 PetriNetUnfolderBase]: For 21/29 co-relation queries the response was YES. [2023-11-26 11:54:16,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1089 conditions, 758 events. 202/758 cut-off events. For 21/29 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3614 event pairs, 54 based on Foata normal form. 4/715 useless extension candidates. Maximal degree in co-relation 1050. Up to 152 conditions per place. [2023-11-26 11:54:16,520 INFO L140 encePairwiseOnDemand]: 247/252 looper letters, 35 selfloop transitions, 4 changer transitions 0/206 dead transitions. [2023-11-26 11:54:16,520 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 206 transitions, 506 flow [2023-11-26 11:54:16,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:54:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1270 transitions. [2023-11-26 11:54:16,525 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.83994708994709 [2023-11-26 11:54:16,525 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1270 transitions. [2023-11-26 11:54:16,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1270 transitions. [2023-11-26 11:54:16,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:16,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1270 transitions. [2023-11-26 11:54:16,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 211.66666666666666) internal successors, (1270), 6 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:16,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:16,535 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:16,536 INFO L175 Difference]: Start difference. First operand has 197 places, 191 transitions, 398 flow. Second operand 6 states and 1270 transitions. [2023-11-26 11:54:16,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 206 transitions, 506 flow [2023-11-26 11:54:16,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 206 transitions, 499 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:54:16,542 INFO L231 Difference]: Finished difference. Result has 197 places, 190 transitions, 397 flow [2023-11-26 11:54:16,542 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=397, PETRI_PLACES=197, PETRI_TRANSITIONS=190} [2023-11-26 11:54:16,543 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -27 predicate places. [2023-11-26 11:54:16,543 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 190 transitions, 397 flow [2023-11-26 11:54:16,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.83333333333334) internal successors, (1241), 6 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:16,544 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:16,545 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-11-26 11:54:16,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:54:16,545 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:16,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash 300854804, now seen corresponding path program 1 times [2023-11-26 11:54:16,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:16,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761648183] [2023-11-26 11:54:16,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:16,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:17,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:17,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761648183] [2023-11-26 11:54:17,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761648183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:17,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:17,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:54:17,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435051481] [2023-11-26 11:54:17,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:17,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:17,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:17,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:17,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:17,336 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 252 [2023-11-26 11:54:17,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 190 transitions, 397 flow. Second operand has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:17,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 252 [2023-11-26 11:54:17,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:17,586 INFO L124 PetriNetUnfolderBase]: 127/651 cut-off events. [2023-11-26 11:54:17,586 INFO L125 PetriNetUnfolderBase]: For 25/32 co-relation queries the response was YES. [2023-11-26 11:54:17,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 873 conditions, 651 events. 127/651 cut-off events. For 25/32 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3109 event pairs, 56 based on Foata normal form. 4/610 useless extension candidates. Maximal degree in co-relation 834. Up to 161 conditions per place. [2023-11-26 11:54:17,592 INFO L140 encePairwiseOnDemand]: 247/252 looper letters, 27 selfloop transitions, 4 changer transitions 0/197 dead transitions. [2023-11-26 11:54:17,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 197 transitions, 473 flow [2023-11-26 11:54:17,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:54:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:54:17,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1262 transitions. [2023-11-26 11:54:17,597 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8346560846560847 [2023-11-26 11:54:17,597 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1262 transitions. [2023-11-26 11:54:17,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1262 transitions. [2023-11-26 11:54:17,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:17,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1262 transitions. [2023-11-26 11:54:17,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.33333333333334) internal successors, (1262), 6 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,607 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,608 INFO L175 Difference]: Start difference. First operand has 197 places, 190 transitions, 397 flow. Second operand 6 states and 1262 transitions. [2023-11-26 11:54:17,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 197 transitions, 473 flow [2023-11-26 11:54:17,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 197 transitions, 466 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:54:17,613 INFO L231 Difference]: Finished difference. Result has 197 places, 189 transitions, 396 flow [2023-11-26 11:54:17,614 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=197, PETRI_TRANSITIONS=189} [2023-11-26 11:54:17,614 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -27 predicate places. [2023-11-26 11:54:17,615 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 189 transitions, 396 flow [2023-11-26 11:54:17,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,616 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:17,616 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:17,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:54:17,616 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:17,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:17,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1405361713, now seen corresponding path program 1 times [2023-11-26 11:54:17,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:17,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3053054] [2023-11-26 11:54:17,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:17,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:17,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:17,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3053054] [2023-11-26 11:54:17,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3053054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:17,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:17,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:17,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519741516] [2023-11-26 11:54:17,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:17,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:17,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:17,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:17,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:17,704 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 252 [2023-11-26 11:54:17,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 189 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:17,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 252 [2023-11-26 11:54:17,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:17,835 INFO L124 PetriNetUnfolderBase]: 111/593 cut-off events. [2023-11-26 11:54:17,836 INFO L125 PetriNetUnfolderBase]: For 26/30 co-relation queries the response was YES. [2023-11-26 11:54:17,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 593 events. 111/593 cut-off events. For 26/30 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2627 event pairs, 32 based on Foata normal form. 2/549 useless extension candidates. Maximal degree in co-relation 755. Up to 108 conditions per place. [2023-11-26 11:54:17,842 INFO L140 encePairwiseOnDemand]: 248/252 looper letters, 17 selfloop transitions, 3 changer transitions 0/194 dead transitions. [2023-11-26 11:54:17,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 194 transitions, 448 flow [2023-11-26 11:54:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:17,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2023-11-26 11:54:17,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8849206349206349 [2023-11-26 11:54:17,846 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 669 transitions. [2023-11-26 11:54:17,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 669 transitions. [2023-11-26 11:54:17,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:17,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 669 transitions. [2023-11-26 11:54:17,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,854 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,854 INFO L175 Difference]: Start difference. First operand has 197 places, 189 transitions, 396 flow. Second operand 3 states and 669 transitions. [2023-11-26 11:54:17,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 194 transitions, 448 flow [2023-11-26 11:54:17,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 194 transitions, 441 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:54:17,862 INFO L231 Difference]: Finished difference. Result has 194 places, 188 transitions, 393 flow [2023-11-26 11:54:17,864 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=194, PETRI_TRANSITIONS=188} [2023-11-26 11:54:17,864 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -30 predicate places. [2023-11-26 11:54:17,865 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 188 transitions, 393 flow [2023-11-26 11:54:17,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:54:17,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:17,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:54:17,867 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-26 11:54:17,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:17,868 INFO L85 PathProgramCache]: Analyzing trace with hash -692996462, now seen corresponding path program 1 times [2023-11-26 11:54:17,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:17,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454608822] [2023-11-26 11:54:17,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:17,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:17,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:17,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454608822] [2023-11-26 11:54:17,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454608822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:17,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:17,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:17,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474410224] [2023-11-26 11:54:17,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:17,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:17,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:17,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:17,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:17,960 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 252 [2023-11-26 11:54:17,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 188 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:17,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:54:17,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 252 [2023-11-26 11:54:17,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:54:18,082 INFO L124 PetriNetUnfolderBase]: 109/567 cut-off events. [2023-11-26 11:54:18,083 INFO L125 PetriNetUnfolderBase]: For 67/70 co-relation queries the response was YES. [2023-11-26 11:54:18,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 567 events. 109/567 cut-off events. For 67/70 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2440 event pairs, 29 based on Foata normal form. 2/543 useless extension candidates. Maximal degree in co-relation 764. Up to 91 conditions per place. [2023-11-26 11:54:18,087 INFO L140 encePairwiseOnDemand]: 246/252 looper letters, 0 selfloop transitions, 0 changer transitions 196/196 dead transitions. [2023-11-26 11:54:18,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 196 transitions, 460 flow [2023-11-26 11:54:18,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:18,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:54:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2023-11-26 11:54:18,090 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8875661375661376 [2023-11-26 11:54:18,090 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 671 transitions. [2023-11-26 11:54:18,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 671 transitions. [2023-11-26 11:54:18,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:54:18,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 671 transitions. [2023-11-26 11:54:18,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,096 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,097 INFO L175 Difference]: Start difference. First operand has 194 places, 188 transitions, 393 flow. Second operand 3 states and 671 transitions. [2023-11-26 11:54:18,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 196 transitions, 460 flow [2023-11-26 11:54:18,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 196 transitions, 450 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:54:18,102 INFO L231 Difference]: Finished difference. Result has 193 places, 0 transitions, 0 flow [2023-11-26 11:54:18,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=193, PETRI_TRANSITIONS=0} [2023-11-26 11:54:18,103 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -31 predicate places. [2023-11-26 11:54:18,104 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 0 transitions, 0 flow [2023-11-26 11:54:18,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:54:18,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2023-11-26 11:54:18,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2023-11-26 11:54:18,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2023-11-26 11:54:18,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2023-11-26 11:54:18,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2023-11-26 11:54:18,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2023-11-26 11:54:18,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2023-11-26 11:54:18,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2023-11-26 11:54:18,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2023-11-26 11:54:18,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2023-11-26 11:54:18,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2023-11-26 11:54:18,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2023-11-26 11:54:18,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2023-11-26 11:54:18,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2023-11-26 11:54:18,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2023-11-26 11:54:18,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2023-11-26 11:54:18,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2023-11-26 11:54:18,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2023-11-26 11:54:18,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2023-11-26 11:54:18,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2023-11-26 11:54:18,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2023-11-26 11:54:18,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2023-11-26 11:54:18,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2023-11-26 11:54:18,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2023-11-26 11:54:18,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2023-11-26 11:54:18,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2023-11-26 11:54:18,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2023-11-26 11:54:18,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining) [2023-11-26 11:54:18,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining) [2023-11-26 11:54:18,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2023-11-26 11:54:18,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 48 remaining) [2023-11-26 11:54:18,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 48 remaining) [2023-11-26 11:54:18,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2023-11-26 11:54:18,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2023-11-26 11:54:18,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2023-11-26 11:54:18,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2023-11-26 11:54:18,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2023-11-26 11:54:18,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2023-11-26 11:54:18,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2023-11-26 11:54:18,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2023-11-26 11:54:18,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2023-11-26 11:54:18,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2023-11-26 11:54:18,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2023-11-26 11:54:18,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2023-11-26 11:54:18,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2023-11-26 11:54:18,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2023-11-26 11:54:18,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2023-11-26 11:54:18,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2023-11-26 11:54:18,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:54:18,118 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:18,125 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:54:18,125 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:54:18,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:54:18 BasicIcfg [2023-11-26 11:54:18,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:54:18,132 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:54:18,132 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:54:18,133 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:54:18,133 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:09" (3/4) ... [2023-11-26 11:54:18,135 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:54:18,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 11:54:18,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 11:54:18,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 11:54:18,147 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-26 11:54:18,148 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:54:18,149 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:54:18,149 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:54:18,272 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:54:18,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:54:18,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:54:18,273 INFO L158 Benchmark]: Toolchain (without parser) took 10262.76ms. Allocated memory was 130.0MB in the beginning and 270.5MB in the end (delta: 140.5MB). Free memory was 83.8MB in the beginning and 74.2MB in the end (delta: 9.6MB). Peak memory consumption was 152.3MB. Max. memory is 16.1GB. [2023-11-26 11:54:18,274 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 72.2MB in the beginning and 72.0MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:18,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.62ms. Allocated memory is still 130.0MB. Free memory was 83.5MB in the beginning and 70.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:54:18,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.28ms. Allocated memory is still 130.0MB. Free memory was 70.9MB in the beginning and 67.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:54:18,277 INFO L158 Benchmark]: Boogie Preprocessor took 85.00ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 67.6MB in the beginning and 125.5MB in the end (delta: -57.9MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-11-26 11:54:18,278 INFO L158 Benchmark]: RCFGBuilder took 1268.45ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 65.0MB in the end (delta: 60.4MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2023-11-26 11:54:18,279 INFO L158 Benchmark]: TraceAbstraction took 8343.30ms. Allocated memory was 157.3MB in the beginning and 270.5MB in the end (delta: 113.2MB). Free memory was 64.0MB in the beginning and 80.5MB in the end (delta: -16.5MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2023-11-26 11:54:18,279 INFO L158 Benchmark]: Witness Printer took 140.64ms. Allocated memory is still 270.5MB. Free memory was 80.5MB in the beginning and 74.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:54:18,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 72.2MB in the beginning and 72.0MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.62ms. Allocated memory is still 130.0MB. Free memory was 83.5MB in the beginning and 70.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.28ms. Allocated memory is still 130.0MB. Free memory was 70.9MB in the beginning and 67.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.00ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 67.6MB in the beginning and 125.5MB in the end (delta: -57.9MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1268.45ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 65.0MB in the end (delta: 60.4MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8343.30ms. Allocated memory was 157.3MB in the beginning and 270.5MB in the end (delta: 113.2MB). Free memory was 64.0MB in the beginning and 80.5MB in the end (delta: -16.5MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * Witness Printer took 140.64ms. Allocated memory is still 270.5MB. Free memory was 80.5MB in the beginning and 74.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 62]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: 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 - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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 7 procedures, 303 locations, 48 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: 8.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 509 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 274 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 181 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 985 IncrementalHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 181 mSolverCounterUnsat, 31 mSDtfsCounter, 985 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=0, InterpolantAutomatonStates: 45, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 929 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 918 ConstructedInterpolants, 0 QuantifiedInterpolants, 1290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:54:18,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f58b51d7-e37b-490f-a92d-ecb0bdc6687f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE