./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu --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 faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:37:44,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:37:44,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:37:44,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:37:44,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:37:44,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:37:44,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:37:44,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:37:44,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:37:44,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:37:44,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:37:44,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:37:44,838 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:37:44,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:37:44,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:37:44,841 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:37:44,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:37:44,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:37:44,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:37:44,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:37:44,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:37:44,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:37:44,843 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:37:44,844 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:37:44,844 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:37:44,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:37:44,845 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:37:44,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:37:44,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:37:44,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:37:44,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:44,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:37:44,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:37:44,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:37:44,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:37:44,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:37:44,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:37:44,848 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:37:44,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:37:44,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:37:44,849 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:37:44,849 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_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 [2023-11-19 07:37:45,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:37:45,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:37:45,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:37:45,188 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:37:45,189 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:37:45,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-19 07:37:48,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:37:48,513 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:37:48,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-19 07:37:48,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/data/8b2a6fe11/f63788b5ac00409e9b5652fa19626b68/FLAGbc51e1a2b [2023-11-19 07:37:48,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/data/8b2a6fe11/f63788b5ac00409e9b5652fa19626b68 [2023-11-19 07:37:48,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:37:48,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:37:48,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:48,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:37:48,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:37:48,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb0cbee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48, skipping insertion in model container [2023-11-19 07:37:48,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:37:48,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:48,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:37:48,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:48,898 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:37:48,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48 WrapperNode [2023-11-19 07:37:48,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:48,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:48,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:37:48,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:37:48,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,984 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 18, calls inlined = 32, statements flattened = 530 [2023-11-19 07:37:48,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:48,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:37:48,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:37:48,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:37:48,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:48,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:49,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:49,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:49,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:49,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:49,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:49,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:49,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:37:49,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:37:49,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:37:49,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:37:49,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (1/1) ... [2023-11-19 07:37:49,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:49,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:37:49,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:37:49,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:37:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:37:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:37:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:37:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:37:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:37:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:37:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:37:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:37:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:37:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:37:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:37:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:37:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:37:49,132 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:37:49,261 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:37:49,263 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:37:50,324 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:37:50,362 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:37:50,362 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:37:50,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:50 BoogieIcfgContainer [2023-11-19 07:37:50,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:37:50,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:37:50,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:37:50,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:37:50,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:48" (1/3) ... [2023-11-19 07:37:50,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45904cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:50, skipping insertion in model container [2023-11-19 07:37:50,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:48" (2/3) ... [2023-11-19 07:37:50,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45904cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:50, skipping insertion in model container [2023-11-19 07:37:50,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:50" (3/3) ... [2023-11-19 07:37:50,397 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2023-11-19 07:37:50,407 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:37:50,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:37:50,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-11-19 07:37:50,418 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:37:50,581 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:37:50,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 700 places, 726 transitions, 1466 flow [2023-11-19 07:37:51,061 INFO L124 PetriNetUnfolderBase]: 33/724 cut-off events. [2023-11-19 07:37:51,061 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:37:51,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 724 events. 33/724 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1883 event pairs, 0 based on Foata normal form. 0/616 useless extension candidates. Maximal degree in co-relation 463. Up to 2 conditions per place. [2023-11-19 07:37:51,085 INFO L82 GeneralOperation]: Start removeDead. Operand has 700 places, 726 transitions, 1466 flow [2023-11-19 07:37:51,107 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 678 places, 703 transitions, 1418 flow [2023-11-19 07:37:51,112 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:37:51,133 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 678 places, 703 transitions, 1418 flow [2023-11-19 07:37:51,137 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 678 places, 703 transitions, 1418 flow [2023-11-19 07:37:51,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 678 places, 703 transitions, 1418 flow [2023-11-19 07:37:51,406 INFO L124 PetriNetUnfolderBase]: 32/703 cut-off events. [2023-11-19 07:37:51,406 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:37:51,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 703 events. 32/703 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1878 event pairs, 0 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 463. Up to 2 conditions per place. [2023-11-19 07:37:51,482 INFO L119 LiptonReduction]: Number of co-enabled transitions 113220 [2023-11-19 07:38:11,349 INFO L134 LiptonReduction]: Checked pairs total: 254396 [2023-11-19 07:38:11,350 INFO L136 LiptonReduction]: Total number of compositions: 853 [2023-11-19 07:38:11,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:11,378 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;@1efb60b3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:11,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2023-11-19 07:38:11,380 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:38:11,380 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:38:11,381 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:38:11,381 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:11,381 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:38:11,382 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:11,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:11,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2806, now seen corresponding path program 1 times [2023-11-19 07:38:11,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:11,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331202484] [2023-11-19 07:38:11,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:11,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:11,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:11,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331202484] [2023-11-19 07:38:11,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331202484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:11,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:11,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:38:11,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765896011] [2023-11-19 07:38:11,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:11,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:38:11,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:11,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:38:11,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:11,572 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 698 out of 1579 [2023-11-19 07:38:11,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 157 transitions, 326 flow. Second operand has 2 states, 2 states have (on average 698.5) internal successors, (1397), 2 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:11,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:11,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 698 of 1579 [2023-11-19 07:38:11,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:12,167 INFO L124 PetriNetUnfolderBase]: 1058/2721 cut-off events. [2023-11-19 07:38:12,168 INFO L125 PetriNetUnfolderBase]: For 103/136 co-relation queries the response was YES. [2023-11-19 07:38:12,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4521 conditions, 2721 events. 1058/2721 cut-off events. For 103/136 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 19880 event pairs, 909 based on Foata normal form. 196/2721 useless extension candidates. Maximal degree in co-relation 4278. Up to 1741 conditions per place. [2023-11-19 07:38:12,195 INFO L140 encePairwiseOnDemand]: 1520/1579 looper letters, 44 selfloop transitions, 0 changer transitions 1/98 dead transitions. [2023-11-19 07:38:12,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 98 transitions, 298 flow [2023-11-19 07:38:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:38:12,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:38:12,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1500 transitions. [2023-11-19 07:38:12,222 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4749841671944269 [2023-11-19 07:38:12,223 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1500 transitions. [2023-11-19 07:38:12,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1500 transitions. [2023-11-19 07:38:12,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:12,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1500 transitions. [2023-11-19 07:38:12,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 750.0) internal successors, (1500), 2 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:12,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1579.0) internal successors, (4737), 3 states have internal predecessors, (4737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:12,263 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1579.0) internal successors, (4737), 3 states have internal predecessors, (4737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:12,265 INFO L175 Difference]: Start difference. First operand has 155 places, 157 transitions, 326 flow. Second operand 2 states and 1500 transitions. [2023-11-19 07:38:12,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 98 transitions, 298 flow [2023-11-19 07:38:12,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 98 transitions, 290 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:38:12,275 INFO L231 Difference]: Finished difference. Result has 97 places, 97 transitions, 197 flow [2023-11-19 07:38:12,278 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=197, PETRI_PLACES=97, PETRI_TRANSITIONS=97} [2023-11-19 07:38:12,282 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -58 predicate places. [2023-11-19 07:38:12,282 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 97 transitions, 197 flow [2023-11-19 07:38:12,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 698.5) internal successors, (1397), 2 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:12,284 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:12,285 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:38:12,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:12,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:12,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:12,287 INFO L85 PathProgramCache]: Analyzing trace with hash 636064484, now seen corresponding path program 1 times [2023-11-19 07:38:12,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:12,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628075814] [2023-11-19 07:38:12,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:12,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:12,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:12,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628075814] [2023-11-19 07:38:12,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628075814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:12,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:12,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:12,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423941104] [2023-11-19 07:38:12,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:12,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:12,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:12,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:12,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:12,541 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 688 out of 1579 [2023-11-19 07:38:12,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 97 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 689.6666666666666) internal successors, (2069), 3 states have internal predecessors, (2069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:12,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:12,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 688 of 1579 [2023-11-19 07:38:12,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:12,962 INFO L124 PetriNetUnfolderBase]: 1058/2717 cut-off events. [2023-11-19 07:38:12,963 INFO L125 PetriNetUnfolderBase]: For 17/50 co-relation queries the response was YES. [2023-11-19 07:38:12,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4478 conditions, 2717 events. 1058/2717 cut-off events. For 17/50 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 19866 event pairs, 909 based on Foata normal form. 0/2521 useless extension candidates. Maximal degree in co-relation 4475. Up to 1739 conditions per place. [2023-11-19 07:38:12,988 INFO L140 encePairwiseOnDemand]: 1576/1579 looper letters, 43 selfloop transitions, 1 changer transitions 0/95 dead transitions. [2023-11-19 07:38:12,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 95 transitions, 281 flow [2023-11-19 07:38:12,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:12,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:38:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2110 transitions. [2023-11-19 07:38:12,998 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4454295967912181 [2023-11-19 07:38:12,999 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2110 transitions. [2023-11-19 07:38:12,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2110 transitions. [2023-11-19 07:38:13,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:13,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2110 transitions. [2023-11-19 07:38:13,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 703.3333333333334) internal successors, (2110), 3 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:13,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:13,028 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:13,028 INFO L175 Difference]: Start difference. First operand has 97 places, 97 transitions, 197 flow. Second operand 3 states and 2110 transitions. [2023-11-19 07:38:13,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 95 transitions, 281 flow [2023-11-19 07:38:13,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 95 transitions, 281 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:38:13,036 INFO L231 Difference]: Finished difference. Result has 96 places, 95 transitions, 195 flow [2023-11-19 07:38:13,037 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=96, PETRI_TRANSITIONS=95} [2023-11-19 07:38:13,038 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -59 predicate places. [2023-11-19 07:38:13,038 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 95 transitions, 195 flow [2023-11-19 07:38:13,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 689.6666666666666) internal successors, (2069), 3 states have internal predecessors, (2069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:13,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:13,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:13,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:38:13,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:13,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:13,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1756811942, now seen corresponding path program 1 times [2023-11-19 07:38:13,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:13,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633166630] [2023-11-19 07:38:13,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:13,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:13,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:13,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633166630] [2023-11-19 07:38:13,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633166630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:13,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:13,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:13,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630738636] [2023-11-19 07:38:13,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:13,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:13,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:13,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:13,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:13,189 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 683 out of 1579 [2023-11-19 07:38:13,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 95 transitions, 195 flow. Second operand has 3 states, 3 states have (on average 685.0) internal successors, (2055), 3 states have internal predecessors, (2055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:13,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:13,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 683 of 1579 [2023-11-19 07:38:13,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:13,871 INFO L124 PetriNetUnfolderBase]: 1735/4270 cut-off events. [2023-11-19 07:38:13,872 INFO L125 PetriNetUnfolderBase]: For 6/167 co-relation queries the response was YES. [2023-11-19 07:38:13,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7117 conditions, 4270 events. 1735/4270 cut-off events. For 6/167 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 31006 event pairs, 673 based on Foata normal form. 2/3946 useless extension candidates. Maximal degree in co-relation 7113. Up to 1474 conditions per place. [2023-11-19 07:38:13,907 INFO L140 encePairwiseOnDemand]: 1573/1579 looper letters, 72 selfloop transitions, 5 changer transitions 0/127 dead transitions. [2023-11-19 07:38:13,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 127 transitions, 414 flow [2023-11-19 07:38:13,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:13,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:38:13,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2127 transitions. [2023-11-19 07:38:13,915 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4490183660544648 [2023-11-19 07:38:13,916 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2127 transitions. [2023-11-19 07:38:13,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2127 transitions. [2023-11-19 07:38:13,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:13,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2127 transitions. [2023-11-19 07:38:13,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 709.0) internal successors, (2127), 3 states have internal predecessors, (2127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:13,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:13,945 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:13,945 INFO L175 Difference]: Start difference. First operand has 96 places, 95 transitions, 195 flow. Second operand 3 states and 2127 transitions. [2023-11-19 07:38:13,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 127 transitions, 414 flow [2023-11-19 07:38:13,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 127 transitions, 413 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:38:13,949 INFO L231 Difference]: Finished difference. Result has 97 places, 96 transitions, 215 flow [2023-11-19 07:38:13,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=215, PETRI_PLACES=97, PETRI_TRANSITIONS=96} [2023-11-19 07:38:13,951 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -58 predicate places. [2023-11-19 07:38:13,951 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 96 transitions, 215 flow [2023-11-19 07:38:13,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 685.0) internal successors, (2055), 3 states have internal predecessors, (2055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:13,953 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:13,953 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:13,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:38:13,954 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:13,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:13,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1373334871, now seen corresponding path program 1 times [2023-11-19 07:38:13,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:13,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581738046] [2023-11-19 07:38:13,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:13,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:14,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:14,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581738046] [2023-11-19 07:38:14,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581738046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:14,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:14,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:14,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279286535] [2023-11-19 07:38:14,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:14,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:14,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:14,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:14,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:14,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 679 out of 1579 [2023-11-19 07:38:14,044 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 96 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 681.3333333333334) internal successors, (2044), 3 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:14,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:14,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 679 of 1579 [2023-11-19 07:38:14,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:14,672 INFO L124 PetriNetUnfolderBase]: 1831/4267 cut-off events. [2023-11-19 07:38:14,673 INFO L125 PetriNetUnfolderBase]: For 322/355 co-relation queries the response was YES. [2023-11-19 07:38:14,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7597 conditions, 4267 events. 1831/4267 cut-off events. For 322/355 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 30092 event pairs, 624 based on Foata normal form. 1/4070 useless extension candidates. Maximal degree in co-relation 7593. Up to 2832 conditions per place. [2023-11-19 07:38:14,716 INFO L140 encePairwiseOnDemand]: 1571/1579 looper letters, 59 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2023-11-19 07:38:14,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 105 transitions, 362 flow [2023-11-19 07:38:14,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:38:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2102 transitions. [2023-11-19 07:38:14,725 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.443740764196749 [2023-11-19 07:38:14,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2102 transitions. [2023-11-19 07:38:14,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2102 transitions. [2023-11-19 07:38:14,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:14,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2102 transitions. [2023-11-19 07:38:14,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 700.6666666666666) internal successors, (2102), 3 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:14,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:14,751 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:14,752 INFO L175 Difference]: Start difference. First operand has 97 places, 96 transitions, 215 flow. Second operand 3 states and 2102 transitions. [2023-11-19 07:38:14,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 105 transitions, 362 flow [2023-11-19 07:38:14,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 105 transitions, 356 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:38:14,757 INFO L231 Difference]: Finished difference. Result has 93 places, 92 transitions, 212 flow [2023-11-19 07:38:14,757 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=93, PETRI_TRANSITIONS=92} [2023-11-19 07:38:14,758 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -62 predicate places. [2023-11-19 07:38:14,758 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 92 transitions, 212 flow [2023-11-19 07:38:14,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 681.3333333333334) internal successors, (2044), 3 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:14,759 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:14,760 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:14,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:38:14,760 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:14,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:14,761 INFO L85 PathProgramCache]: Analyzing trace with hash -789357909, now seen corresponding path program 1 times [2023-11-19 07:38:14,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:14,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751744747] [2023-11-19 07:38:14,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:14,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:14,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:14,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751744747] [2023-11-19 07:38:14,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751744747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:14,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:14,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:14,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480915393] [2023-11-19 07:38:14,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:14,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:14,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:14,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:14,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:14,862 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 683 out of 1579 [2023-11-19 07:38:14,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 92 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 685.6666666666666) internal successors, (2057), 3 states have internal predecessors, (2057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:14,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:14,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 683 of 1579 [2023-11-19 07:38:14,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:15,788 INFO L124 PetriNetUnfolderBase]: 2996/6580 cut-off events. [2023-11-19 07:38:15,789 INFO L125 PetriNetUnfolderBase]: For 484/517 co-relation queries the response was YES. [2023-11-19 07:38:15,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12079 conditions, 6580 events. 2996/6580 cut-off events. For 484/517 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 47569 event pairs, 1167 based on Foata normal form. 0/6249 useless extension candidates. Maximal degree in co-relation 12074. Up to 2477 conditions per place. [2023-11-19 07:38:15,844 INFO L140 encePairwiseOnDemand]: 1574/1579 looper letters, 81 selfloop transitions, 4 changer transitions 0/128 dead transitions. [2023-11-19 07:38:15,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 128 transitions, 474 flow [2023-11-19 07:38:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:15,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:38:15,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2128 transitions. [2023-11-19 07:38:15,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4492294701287735 [2023-11-19 07:38:15,854 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2128 transitions. [2023-11-19 07:38:15,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2128 transitions. [2023-11-19 07:38:15,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:15,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2128 transitions. [2023-11-19 07:38:15,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 709.3333333333334) internal successors, (2128), 3 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:15,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:15,877 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:15,877 INFO L175 Difference]: Start difference. First operand has 93 places, 92 transitions, 212 flow. Second operand 3 states and 2128 transitions. [2023-11-19 07:38:15,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 128 transitions, 474 flow [2023-11-19 07:38:15,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 128 transitions, 474 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:38:15,882 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 234 flow [2023-11-19 07:38:15,882 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2023-11-19 07:38:15,883 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -59 predicate places. [2023-11-19 07:38:15,883 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 234 flow [2023-11-19 07:38:15,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 685.6666666666666) internal successors, (2057), 3 states have internal predecessors, (2057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:15,885 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:15,885 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:15,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:38:15,886 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:15,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:15,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1915756511, now seen corresponding path program 1 times [2023-11-19 07:38:15,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:15,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958661563] [2023-11-19 07:38:15,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:15,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:16,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:16,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958661563] [2023-11-19 07:38:16,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958661563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:16,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:16,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:38:16,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707341444] [2023-11-19 07:38:16,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:16,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:38:16,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:16,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:16,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:16,954 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 684 out of 1579 [2023-11-19 07:38:16,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 685.6666666666666) internal successors, (4114), 6 states have internal predecessors, (4114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:16,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:16,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 684 of 1579 [2023-11-19 07:38:16,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:19,427 INFO L124 PetriNetUnfolderBase]: 10368/17016 cut-off events. [2023-11-19 07:38:19,427 INFO L125 PetriNetUnfolderBase]: For 3592/3592 co-relation queries the response was YES. [2023-11-19 07:38:19,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35987 conditions, 17016 events. 10368/17016 cut-off events. For 3592/3592 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 120670 event pairs, 813 based on Foata normal form. 0/16791 useless extension candidates. Maximal degree in co-relation 35980. Up to 5496 conditions per place. [2023-11-19 07:38:19,556 INFO L140 encePairwiseOnDemand]: 1574/1579 looper letters, 214 selfloop transitions, 4 changer transitions 0/256 dead transitions. [2023-11-19 07:38:19,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 256 transitions, 1148 flow [2023-11-19 07:38:19,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:38:19,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:38:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4293 transitions. [2023-11-19 07:38:19,572 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45313489550348324 [2023-11-19 07:38:19,573 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4293 transitions. [2023-11-19 07:38:19,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4293 transitions. [2023-11-19 07:38:19,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:19,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4293 transitions. [2023-11-19 07:38:19,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 715.5) internal successors, (4293), 6 states have internal predecessors, (4293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:19,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1579.0) internal successors, (11053), 7 states have internal predecessors, (11053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:19,614 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1579.0) internal successors, (11053), 7 states have internal predecessors, (11053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:19,614 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 234 flow. Second operand 6 states and 4293 transitions. [2023-11-19 07:38:19,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 256 transitions, 1148 flow [2023-11-19 07:38:19,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 256 transitions, 1116 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:38:19,684 INFO L231 Difference]: Finished difference. Result has 98 places, 92 transitions, 232 flow [2023-11-19 07:38:19,684 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=232, PETRI_PLACES=98, PETRI_TRANSITIONS=92} [2023-11-19 07:38:19,685 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -57 predicate places. [2023-11-19 07:38:19,685 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 92 transitions, 232 flow [2023-11-19 07:38:19,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 685.6666666666666) internal successors, (4114), 6 states have internal predecessors, (4114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:19,687 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:19,687 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:19,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:38:19,688 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:19,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:19,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1037927598, now seen corresponding path program 1 times [2023-11-19 07:38:19,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:19,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866034093] [2023-11-19 07:38:19,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:19,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:20,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:20,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866034093] [2023-11-19 07:38:20,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866034093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:20,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:20,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:38:20,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216585156] [2023-11-19 07:38:20,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:20,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:38:20,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:20,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:20,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:20,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 671 out of 1579 [2023-11-19 07:38:20,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 92 transitions, 232 flow. Second operand has 6 states, 6 states have (on average 673.1666666666666) internal successors, (4039), 6 states have internal predecessors, (4039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:20,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:20,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 671 of 1579 [2023-11-19 07:38:20,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:21,934 INFO L124 PetriNetUnfolderBase]: 4836/8831 cut-off events. [2023-11-19 07:38:21,935 INFO L125 PetriNetUnfolderBase]: For 2245/2278 co-relation queries the response was YES. [2023-11-19 07:38:21,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19365 conditions, 8831 events. 4836/8831 cut-off events. For 2245/2278 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 56711 event pairs, 1283 based on Foata normal form. 0/8810 useless extension candidates. Maximal degree in co-relation 19358. Up to 4316 conditions per place. [2023-11-19 07:38:21,997 INFO L140 encePairwiseOnDemand]: 1571/1579 looper letters, 145 selfloop transitions, 5 changer transitions 0/177 dead transitions. [2023-11-19 07:38:21,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 177 transitions, 762 flow [2023-11-19 07:38:21,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:38:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:38:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4165 transitions. [2023-11-19 07:38:22,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43962423474773066 [2023-11-19 07:38:22,013 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4165 transitions. [2023-11-19 07:38:22,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4165 transitions. [2023-11-19 07:38:22,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:22,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4165 transitions. [2023-11-19 07:38:22,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 694.1666666666666) internal successors, (4165), 6 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:22,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1579.0) internal successors, (11053), 7 states have internal predecessors, (11053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:22,051 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1579.0) internal successors, (11053), 7 states have internal predecessors, (11053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:22,051 INFO L175 Difference]: Start difference. First operand has 98 places, 92 transitions, 232 flow. Second operand 6 states and 4165 transitions. [2023-11-19 07:38:22,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 177 transitions, 762 flow [2023-11-19 07:38:22,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 177 transitions, 747 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:38:22,058 INFO L231 Difference]: Finished difference. Result has 96 places, 89 transitions, 229 flow [2023-11-19 07:38:22,059 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=229, PETRI_PLACES=96, PETRI_TRANSITIONS=89} [2023-11-19 07:38:22,061 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -59 predicate places. [2023-11-19 07:38:22,062 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 89 transitions, 229 flow [2023-11-19 07:38:22,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 673.1666666666666) internal successors, (4039), 6 states have internal predecessors, (4039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:22,064 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:22,064 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:22,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:38:22,065 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:22,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:22,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1084678414, now seen corresponding path program 1 times [2023-11-19 07:38:22,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:22,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253808614] [2023-11-19 07:38:22,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:22,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:22,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:22,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253808614] [2023-11-19 07:38:22,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253808614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:22,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:22,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:38:22,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752127919] [2023-11-19 07:38:22,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:22,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:38:22,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:22,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:38:22,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:38:22,324 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 1579 [2023-11-19 07:38:22,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 89 transitions, 229 flow. Second operand has 4 states, 4 states have (on average 688.25) internal successors, (2753), 4 states have internal predecessors, (2753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:22,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:22,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 1579 [2023-11-19 07:38:22,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:23,190 INFO L124 PetriNetUnfolderBase]: 3287/7199 cut-off events. [2023-11-19 07:38:23,191 INFO L125 PetriNetUnfolderBase]: For 767/799 co-relation queries the response was YES. [2023-11-19 07:38:23,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14076 conditions, 7199 events. 3287/7199 cut-off events. For 767/799 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 52578 event pairs, 2645 based on Foata normal form. 70/7149 useless extension candidates. Maximal degree in co-relation 14069. Up to 4375 conditions per place. [2023-11-19 07:38:23,255 INFO L140 encePairwiseOnDemand]: 1574/1579 looper letters, 76 selfloop transitions, 5 changer transitions 0/120 dead transitions. [2023-11-19 07:38:23,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 120 transitions, 481 flow [2023-11-19 07:38:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:38:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:38:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2817 transitions. [2023-11-19 07:38:23,266 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4460101329955668 [2023-11-19 07:38:23,266 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2817 transitions. [2023-11-19 07:38:23,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2817 transitions. [2023-11-19 07:38:23,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:23,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2817 transitions. [2023-11-19 07:38:23,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 704.25) internal successors, (2817), 4 states have internal predecessors, (2817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:23,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1579.0) internal successors, (7895), 5 states have internal predecessors, (7895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:23,291 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1579.0) internal successors, (7895), 5 states have internal predecessors, (7895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:23,291 INFO L175 Difference]: Start difference. First operand has 96 places, 89 transitions, 229 flow. Second operand 4 states and 2817 transitions. [2023-11-19 07:38:23,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 120 transitions, 481 flow [2023-11-19 07:38:23,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 120 transitions, 469 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:38:23,297 INFO L231 Difference]: Finished difference. Result has 97 places, 92 transitions, 259 flow [2023-11-19 07:38:23,298 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=259, PETRI_PLACES=97, PETRI_TRANSITIONS=92} [2023-11-19 07:38:23,298 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -58 predicate places. [2023-11-19 07:38:23,299 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 92 transitions, 259 flow [2023-11-19 07:38:23,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 688.25) internal successors, (2753), 4 states have internal predecessors, (2753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:23,300 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:23,300 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:23,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:38:23,301 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:23,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:23,301 INFO L85 PathProgramCache]: Analyzing trace with hash -179852671, now seen corresponding path program 1 times [2023-11-19 07:38:23,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:23,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859563093] [2023-11-19 07:38:23,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:23,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:38:23,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:23,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859563093] [2023-11-19 07:38:23,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859563093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:23,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:23,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:38:23,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091253490] [2023-11-19 07:38:23,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:23,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:38:23,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:23,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:23,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:24,089 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 671 out of 1579 [2023-11-19 07:38:24,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 92 transitions, 259 flow. Second operand has 6 states, 6 states have (on average 673.5) internal successors, (4041), 6 states have internal predecessors, (4041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:24,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:24,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 671 of 1579 [2023-11-19 07:38:24,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:25,452 INFO L124 PetriNetUnfolderBase]: 4902/8946 cut-off events. [2023-11-19 07:38:25,452 INFO L125 PetriNetUnfolderBase]: For 1869/1914 co-relation queries the response was YES. [2023-11-19 07:38:25,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18840 conditions, 8946 events. 4902/8946 cut-off events. For 1869/1914 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 58936 event pairs, 1381 based on Foata normal form. 0/8900 useless extension candidates. Maximal degree in co-relation 18831. Up to 4150 conditions per place. [2023-11-19 07:38:25,529 INFO L140 encePairwiseOnDemand]: 1571/1579 looper letters, 150 selfloop transitions, 5 changer transitions 0/181 dead transitions. [2023-11-19 07:38:25,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 181 transitions, 807 flow [2023-11-19 07:38:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:38:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:38:25,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4167 transitions. [2023-11-19 07:38:25,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4398353388220393 [2023-11-19 07:38:25,549 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4167 transitions. [2023-11-19 07:38:25,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4167 transitions. [2023-11-19 07:38:25,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:25,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4167 transitions. [2023-11-19 07:38:25,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 694.5) internal successors, (4167), 6 states have internal predecessors, (4167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:25,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1579.0) internal successors, (11053), 7 states have internal predecessors, (11053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:25,591 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1579.0) internal successors, (11053), 7 states have internal predecessors, (11053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:25,591 INFO L175 Difference]: Start difference. First operand has 97 places, 92 transitions, 259 flow. Second operand 6 states and 4167 transitions. [2023-11-19 07:38:25,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 181 transitions, 807 flow [2023-11-19 07:38:25,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 181 transitions, 805 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-11-19 07:38:25,599 INFO L231 Difference]: Finished difference. Result has 99 places, 89 transitions, 261 flow [2023-11-19 07:38:25,599 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=261, PETRI_PLACES=99, PETRI_TRANSITIONS=89} [2023-11-19 07:38:25,600 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -56 predicate places. [2023-11-19 07:38:25,601 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 89 transitions, 261 flow [2023-11-19 07:38:25,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 673.5) internal successors, (4041), 6 states have internal predecessors, (4041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:25,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:25,603 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] [2023-11-19 07:38:25,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:38:25,603 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:25,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:25,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2063469616, now seen corresponding path program 1 times [2023-11-19 07:38:25,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:25,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269603364] [2023-11-19 07:38:25,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:25,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:26,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:26,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269603364] [2023-11-19 07:38:26,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269603364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:26,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:26,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:38:26,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463755750] [2023-11-19 07:38:26,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:26,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:38:26,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:26,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:38:26,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:38:26,594 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 684 out of 1579 [2023-11-19 07:38:26,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 89 transitions, 261 flow. Second operand has 6 states, 6 states have (on average 686.5) internal successors, (4119), 6 states have internal predecessors, (4119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:26,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:26,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 684 of 1579 [2023-11-19 07:38:26,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:27,707 INFO L124 PetriNetUnfolderBase]: 3447/7180 cut-off events. [2023-11-19 07:38:27,707 INFO L125 PetriNetUnfolderBase]: For 1591/1636 co-relation queries the response was YES. [2023-11-19 07:38:27,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15019 conditions, 7180 events. 3447/7180 cut-off events. For 1591/1636 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 50930 event pairs, 2623 based on Foata normal form. 0/7074 useless extension candidates. Maximal degree in co-relation 15009. Up to 5225 conditions per place. [2023-11-19 07:38:27,754 INFO L140 encePairwiseOnDemand]: 1574/1579 looper letters, 121 selfloop transitions, 4 changer transitions 16/172 dead transitions. [2023-11-19 07:38:27,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 172 transitions, 833 flow [2023-11-19 07:38:27,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:38:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:38:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4221 transitions. [2023-11-19 07:38:27,771 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44553514882837236 [2023-11-19 07:38:27,772 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4221 transitions. [2023-11-19 07:38:27,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4221 transitions. [2023-11-19 07:38:27,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:27,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4221 transitions. [2023-11-19 07:38:27,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 703.5) internal successors, (4221), 6 states have internal predecessors, (4221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:27,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1579.0) internal successors, (11053), 7 states have internal predecessors, (11053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:27,808 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1579.0) internal successors, (11053), 7 states have internal predecessors, (11053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:27,808 INFO L175 Difference]: Start difference. First operand has 99 places, 89 transitions, 261 flow. Second operand 6 states and 4221 transitions. [2023-11-19 07:38:27,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 172 transitions, 833 flow [2023-11-19 07:38:27,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 172 transitions, 815 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 07:38:27,815 INFO L231 Difference]: Finished difference. Result has 98 places, 88 transitions, 257 flow [2023-11-19 07:38:27,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=257, PETRI_PLACES=98, PETRI_TRANSITIONS=88} [2023-11-19 07:38:27,817 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -57 predicate places. [2023-11-19 07:38:27,817 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 88 transitions, 257 flow [2023-11-19 07:38:27,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 686.5) internal successors, (4119), 6 states have internal predecessors, (4119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:27,818 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:27,819 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] [2023-11-19 07:38:27,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:38:27,819 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:27,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:27,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1525732710, now seen corresponding path program 1 times [2023-11-19 07:38:27,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:27,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501033150] [2023-11-19 07:38:27,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:27,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:38:27,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:27,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501033150] [2023-11-19 07:38:27,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501033150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:27,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:27,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:27,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826583515] [2023-11-19 07:38:27,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:27,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:27,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:27,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:27,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:27,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 678 out of 1579 [2023-11-19 07:38:27,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 88 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 682.6666666666666) internal successors, (2048), 3 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:27,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:27,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 678 of 1579 [2023-11-19 07:38:27,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:28,701 INFO L124 PetriNetUnfolderBase]: 3287/6839 cut-off events. [2023-11-19 07:38:28,702 INFO L125 PetriNetUnfolderBase]: For 1463/1508 co-relation queries the response was YES. [2023-11-19 07:38:28,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13902 conditions, 6839 events. 3287/6839 cut-off events. For 1463/1508 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 47634 event pairs, 2476 based on Foata normal form. 0/6740 useless extension candidates. Maximal degree in co-relation 13892. Up to 4970 conditions per place. [2023-11-19 07:38:28,741 INFO L140 encePairwiseOnDemand]: 1575/1579 looper letters, 65 selfloop transitions, 3 changer transitions 9/111 dead transitions. [2023-11-19 07:38:28,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 111 transitions, 484 flow [2023-11-19 07:38:28,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:28,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:38:28,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2100 transitions. [2023-11-19 07:38:28,752 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44331855604813175 [2023-11-19 07:38:28,752 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2100 transitions. [2023-11-19 07:38:28,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2100 transitions. [2023-11-19 07:38:28,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:28,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2100 transitions. [2023-11-19 07:38:28,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 700.0) internal successors, (2100), 3 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:28,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:28,771 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:28,771 INFO L175 Difference]: Start difference. First operand has 98 places, 88 transitions, 257 flow. Second operand 3 states and 2100 transitions. [2023-11-19 07:38:28,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 111 transitions, 484 flow [2023-11-19 07:38:28,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 111 transitions, 477 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:38:28,776 INFO L231 Difference]: Finished difference. Result has 96 places, 83 transitions, 225 flow [2023-11-19 07:38:28,777 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=96, PETRI_TRANSITIONS=83} [2023-11-19 07:38:28,778 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -59 predicate places. [2023-11-19 07:38:28,778 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 83 transitions, 225 flow [2023-11-19 07:38:28,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 682.6666666666666) internal successors, (2048), 3 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:28,779 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:38:28,779 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] [2023-11-19 07:38:28,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:38:28,779 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2023-11-19 07:38:28,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:28,780 INFO L85 PathProgramCache]: Analyzing trace with hash 75998514, now seen corresponding path program 1 times [2023-11-19 07:38:28,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:28,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109049682] [2023-11-19 07:38:28,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:28,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:38:28,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:28,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109049682] [2023-11-19 07:38:28,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109049682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:28,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:28,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:28,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344649656] [2023-11-19 07:38:28,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:28,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:38:28,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:28,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:38:28,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:38:28,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 678 out of 1579 [2023-11-19 07:38:28,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 83 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 683.3333333333334) internal successors, (2050), 3 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:28,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:38:28,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 678 of 1579 [2023-11-19 07:38:28,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:38:29,499 INFO L124 PetriNetUnfolderBase]: 2712/5634 cut-off events. [2023-11-19 07:38:29,499 INFO L125 PetriNetUnfolderBase]: For 811/835 co-relation queries the response was YES. [2023-11-19 07:38:29,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11316 conditions, 5634 events. 2712/5634 cut-off events. For 811/835 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 37788 event pairs, 2085 based on Foata normal form. 0/5556 useless extension candidates. Maximal degree in co-relation 11306. Up to 4062 conditions per place. [2023-11-19 07:38:29,528 INFO L140 encePairwiseOnDemand]: 1575/1579 looper letters, 0 selfloop transitions, 0 changer transitions 107/107 dead transitions. [2023-11-19 07:38:29,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 107 transitions, 444 flow [2023-11-19 07:38:29,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:38:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:38:29,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2099 transitions. [2023-11-19 07:38:29,539 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4431074519738231 [2023-11-19 07:38:29,539 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2099 transitions. [2023-11-19 07:38:29,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2099 transitions. [2023-11-19 07:38:29,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:38:29,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2099 transitions. [2023-11-19 07:38:29,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 699.6666666666666) internal successors, (2099), 3 states have internal predecessors, (2099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:29,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:29,556 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1579.0) internal successors, (6316), 4 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:29,557 INFO L175 Difference]: Start difference. First operand has 96 places, 83 transitions, 225 flow. Second operand 3 states and 2099 transitions. [2023-11-19 07:38:29,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 107 transitions, 444 flow [2023-11-19 07:38:29,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 107 transitions, 433 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-11-19 07:38:29,565 INFO L231 Difference]: Finished difference. Result has 90 places, 0 transitions, 0 flow [2023-11-19 07:38:29,565 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1579, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=90, PETRI_TRANSITIONS=0} [2023-11-19 07:38:29,568 INFO L281 CegarLoopForPetriNet]: 155 programPoint places, -65 predicate places. [2023-11-19 07:38:29,568 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 0 transitions, 0 flow [2023-11-19 07:38:29,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 683.3333333333334) internal successors, (2050), 3 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:38:29,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (124 of 125 remaining) [2023-11-19 07:38:29,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (123 of 125 remaining) [2023-11-19 07:38:29,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (122 of 125 remaining) [2023-11-19 07:38:29,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (121 of 125 remaining) [2023-11-19 07:38:29,572 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (120 of 125 remaining) [2023-11-19 07:38:29,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (119 of 125 remaining) [2023-11-19 07:38:29,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (118 of 125 remaining) [2023-11-19 07:38:29,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (117 of 125 remaining) [2023-11-19 07:38:29,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (116 of 125 remaining) [2023-11-19 07:38:29,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (115 of 125 remaining) [2023-11-19 07:38:29,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (114 of 125 remaining) [2023-11-19 07:38:29,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (113 of 125 remaining) [2023-11-19 07:38:29,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (112 of 125 remaining) [2023-11-19 07:38:29,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (111 of 125 remaining) [2023-11-19 07:38:29,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (110 of 125 remaining) [2023-11-19 07:38:29,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (109 of 125 remaining) [2023-11-19 07:38:29,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (108 of 125 remaining) [2023-11-19 07:38:29,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (107 of 125 remaining) [2023-11-19 07:38:29,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (106 of 125 remaining) [2023-11-19 07:38:29,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 125 remaining) [2023-11-19 07:38:29,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (104 of 125 remaining) [2023-11-19 07:38:29,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (103 of 125 remaining) [2023-11-19 07:38:29,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (102 of 125 remaining) [2023-11-19 07:38:29,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (101 of 125 remaining) [2023-11-19 07:38:29,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (100 of 125 remaining) [2023-11-19 07:38:29,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (99 of 125 remaining) [2023-11-19 07:38:29,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (98 of 125 remaining) [2023-11-19 07:38:29,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (97 of 125 remaining) [2023-11-19 07:38:29,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (96 of 125 remaining) [2023-11-19 07:38:29,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (95 of 125 remaining) [2023-11-19 07:38:29,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (94 of 125 remaining) [2023-11-19 07:38:29,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (93 of 125 remaining) [2023-11-19 07:38:29,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 125 remaining) [2023-11-19 07:38:29,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (91 of 125 remaining) [2023-11-19 07:38:29,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (90 of 125 remaining) [2023-11-19 07:38:29,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 125 remaining) [2023-11-19 07:38:29,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (88 of 125 remaining) [2023-11-19 07:38:29,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (87 of 125 remaining) [2023-11-19 07:38:29,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 125 remaining) [2023-11-19 07:38:29,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 125 remaining) [2023-11-19 07:38:29,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (84 of 125 remaining) [2023-11-19 07:38:29,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (83 of 125 remaining) [2023-11-19 07:38:29,580 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (82 of 125 remaining) [2023-11-19 07:38:29,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 125 remaining) [2023-11-19 07:38:29,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (80 of 125 remaining) [2023-11-19 07:38:29,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (79 of 125 remaining) [2023-11-19 07:38:29,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (78 of 125 remaining) [2023-11-19 07:38:29,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (77 of 125 remaining) [2023-11-19 07:38:29,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (76 of 125 remaining) [2023-11-19 07:38:29,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (75 of 125 remaining) [2023-11-19 07:38:29,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (74 of 125 remaining) [2023-11-19 07:38:29,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (73 of 125 remaining) [2023-11-19 07:38:29,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (72 of 125 remaining) [2023-11-19 07:38:29,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (71 of 125 remaining) [2023-11-19 07:38:29,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (70 of 125 remaining) [2023-11-19 07:38:29,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (69 of 125 remaining) [2023-11-19 07:38:29,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (68 of 125 remaining) [2023-11-19 07:38:29,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (67 of 125 remaining) [2023-11-19 07:38:29,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (66 of 125 remaining) [2023-11-19 07:38:29,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (65 of 125 remaining) [2023-11-19 07:38:29,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (64 of 125 remaining) [2023-11-19 07:38:29,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 125 remaining) [2023-11-19 07:38:29,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (62 of 125 remaining) [2023-11-19 07:38:29,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (61 of 125 remaining) [2023-11-19 07:38:29,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (60 of 125 remaining) [2023-11-19 07:38:29,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (59 of 125 remaining) [2023-11-19 07:38:29,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (58 of 125 remaining) [2023-11-19 07:38:29,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (57 of 125 remaining) [2023-11-19 07:38:29,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (56 of 125 remaining) [2023-11-19 07:38:29,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (55 of 125 remaining) [2023-11-19 07:38:29,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (54 of 125 remaining) [2023-11-19 07:38:29,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (53 of 125 remaining) [2023-11-19 07:38:29,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (52 of 125 remaining) [2023-11-19 07:38:29,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (51 of 125 remaining) [2023-11-19 07:38:29,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (50 of 125 remaining) [2023-11-19 07:38:29,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 125 remaining) [2023-11-19 07:38:29,586 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 125 remaining) [2023-11-19 07:38:29,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 125 remaining) [2023-11-19 07:38:29,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (46 of 125 remaining) [2023-11-19 07:38:29,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 125 remaining) [2023-11-19 07:38:29,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (44 of 125 remaining) [2023-11-19 07:38:29,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 125 remaining) [2023-11-19 07:38:29,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 125 remaining) [2023-11-19 07:38:29,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 125 remaining) [2023-11-19 07:38:29,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 125 remaining) [2023-11-19 07:38:29,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (39 of 125 remaining) [2023-11-19 07:38:29,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (38 of 125 remaining) [2023-11-19 07:38:29,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (37 of 125 remaining) [2023-11-19 07:38:29,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (36 of 125 remaining) [2023-11-19 07:38:29,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (35 of 125 remaining) [2023-11-19 07:38:29,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 125 remaining) [2023-11-19 07:38:29,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 125 remaining) [2023-11-19 07:38:29,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 125 remaining) [2023-11-19 07:38:29,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (31 of 125 remaining) [2023-11-19 07:38:29,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (30 of 125 remaining) [2023-11-19 07:38:29,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (29 of 125 remaining) [2023-11-19 07:38:29,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (28 of 125 remaining) [2023-11-19 07:38:29,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (27 of 125 remaining) [2023-11-19 07:38:29,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 125 remaining) [2023-11-19 07:38:29,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (25 of 125 remaining) [2023-11-19 07:38:29,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (24 of 125 remaining) [2023-11-19 07:38:29,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 125 remaining) [2023-11-19 07:38:29,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (22 of 125 remaining) [2023-11-19 07:38:29,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 125 remaining) [2023-11-19 07:38:29,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (20 of 125 remaining) [2023-11-19 07:38:29,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 125 remaining) [2023-11-19 07:38:29,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 125 remaining) [2023-11-19 07:38:29,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 125 remaining) [2023-11-19 07:38:29,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 125 remaining) [2023-11-19 07:38:29,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (15 of 125 remaining) [2023-11-19 07:38:29,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 125 remaining) [2023-11-19 07:38:29,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 125 remaining) [2023-11-19 07:38:29,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 125 remaining) [2023-11-19 07:38:29,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 125 remaining) [2023-11-19 07:38:29,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (10 of 125 remaining) [2023-11-19 07:38:29,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 125 remaining) [2023-11-19 07:38:29,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (8 of 125 remaining) [2023-11-19 07:38:29,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 125 remaining) [2023-11-19 07:38:29,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 125 remaining) [2023-11-19 07:38:29,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 125 remaining) [2023-11-19 07:38:29,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 125 remaining) [2023-11-19 07:38:29,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (3 of 125 remaining) [2023-11-19 07:38:29,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 125 remaining) [2023-11-19 07:38:29,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (1 of 125 remaining) [2023-11-19 07:38:29,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (0 of 125 remaining) [2023-11-19 07:38:29,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 07:38:29,597 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:29,604 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:38:29,604 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:38:29,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:38:29 BasicIcfg [2023-11-19 07:38:29,611 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:38:29,612 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:38:29,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:38:29,612 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:38:29,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:50" (3/4) ... [2023-11-19 07:38:29,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:38:29,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:38:29,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:38:29,630 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:38:29,631 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:38:29,632 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:38:29,632 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:38:29,777 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:38:29,778 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:38:29,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:38:29,779 INFO L158 Benchmark]: Toolchain (without parser) took 41229.72ms. Allocated memory was 169.9MB in the beginning and 1.1GB in the end (delta: 918.6MB). Free memory was 139.8MB in the beginning and 748.4MB in the end (delta: -608.6MB). Peak memory consumption was 313.0MB. Max. memory is 16.1GB. [2023-11-19 07:38:29,779 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 80.9MB in the beginning and 80.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:38:29,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.53ms. Allocated memory is still 169.9MB. Free memory was 139.3MB in the beginning and 126.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:38:29,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.60ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 121.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:38:29,780 INFO L158 Benchmark]: Boogie Preprocessor took 64.65ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 118.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:29,781 INFO L158 Benchmark]: RCFGBuilder took 1326.59ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 131.0MB in the end (delta: -12.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 07:38:29,781 INFO L158 Benchmark]: TraceAbstraction took 39231.59ms. Allocated memory was 169.9MB in the beginning and 1.1GB in the end (delta: 918.6MB). Free memory was 130.4MB in the beginning and 755.7MB in the end (delta: -625.4MB). Peak memory consumption was 748.3MB. Max. memory is 16.1GB. [2023-11-19 07:38:29,782 INFO L158 Benchmark]: Witness Printer took 166.64ms. Allocated memory is still 1.1GB. Free memory was 755.7MB in the beginning and 748.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:38:29,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 80.9MB in the beginning and 80.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.53ms. Allocated memory is still 169.9MB. Free memory was 139.3MB in the beginning and 126.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.60ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 121.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.65ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 118.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1326.59ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 131.0MB in the end (delta: -12.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 39231.59ms. Allocated memory was 169.9MB in the beginning and 1.1GB in the end (delta: 918.6MB). Free memory was 130.4MB in the beginning and 755.7MB in the end (delta: -625.4MB). Peak memory consumption was 748.3MB. Max. memory is 16.1GB. * Witness Printer took 166.64ms. Allocated memory is still 1.1GB. Free memory was 755.7MB in the beginning and 748.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.2s, 678 PlacesBefore, 155 PlacesAfterwards, 703 TransitionsBefore, 157 TransitionsAfterwards, 113220 CoEnabledTransitionPairs, 9 FixpointIterations, 293 TrivialSequentialCompositions, 446 ConcurrentSequentialCompositions, 25 TrivialYvCompositions, 66 ConcurrentYvCompositions, 23 ChoiceCompositions, 853 TotalNumberOfCompositions, 254396 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 105479, independent: 103906, independent conditional: 0, independent unconditional: 103906, dependent: 1573, dependent conditional: 0, dependent unconditional: 1573, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 63390, independent: 63178, independent conditional: 0, independent unconditional: 63178, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105479, independent: 40728, independent conditional: 0, independent unconditional: 40728, dependent: 1361, dependent conditional: 0, dependent unconditional: 1361, unknown: 63390, unknown conditional: 0, unknown unconditional: 63390] , Statistics on independence cache: Total cache size (in pairs): 1357, Positive cache size: 1235, Positive conditional cache size: 0, Positive unconditional cache size: 1235, Negative cache size: 122, Negative conditional cache size: 0, Negative unconditional cache size: 122, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 48]: 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: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 63]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 69]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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: 70]: 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: 70]: 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: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: 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: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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 5 procedures, 1120 locations, 125 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: 39.0s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 20.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1802 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1135 mSDsluCounter, 149 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 651 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3421 IncrementalHoareTripleChecker+Invalid, 4072 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 651 mSolverCounterUnsat, 129 mSDtfsCounter, 3421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 563 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 2/2 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:38:29,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214333f6-db39-4b1b-b989-d859591b972c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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