./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 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_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx --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 673666cb71096405cc13bacc98be08aac7026343d1cf8127c7ee9fffc801c83e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:01,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:01,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:06:01,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:01,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:02,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:02,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:02,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:02,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:02,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:02,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:02,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:02,041 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:02,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:02,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:02,045 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:06:02,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:06:02,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:06:02,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:02,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:02,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:02,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:02,048 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:06:02,049 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:06:02,049 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:06:02,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:02,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:02,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:02,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:02,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:02,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:02,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:02,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:02,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:02,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:06:02,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:06:02,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:02,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:02,055 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:02,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:02,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:02,056 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_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 673666cb71096405cc13bacc98be08aac7026343d1cf8127c7ee9fffc801c83e [2023-11-21 22:06:02,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:02,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:02,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:02,507 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:02,507 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:02,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2023-11-21 22:06:05,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:06,193 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:06,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2023-11-21 22:06:06,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/data/87f290b47/498f4eb4a19a4f2cb97d3012851aba81/FLAG3c9534b84 [2023-11-21 22:06:06,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/data/87f290b47/498f4eb4a19a4f2cb97d3012851aba81 [2023-11-21 22:06:06,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:06,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:06,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:06,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:06,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:06,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e9e592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06, skipping insertion in model container [2023-11-21 22:06:06,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,303 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:06,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:06,569 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:06:06,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:06,618 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:06:06,618 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:06:06,627 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:06:06,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06 WrapperNode [2023-11-21 22:06:06,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:06,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:06,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:06:06,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:06:06,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,690 INFO L138 Inliner]: procedures = 21, calls = 49, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 203 [2023-11-21 22:06:06,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:06,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:06:06,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:06:06,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:06:06,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:06:06,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:06:06,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:06:06,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:06:06,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (1/1) ... [2023-11-21 22:06:06,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:06,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:06,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:06,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:06:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:06:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 22:06:06,843 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 22:06:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 22:06:06,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 22:06:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:06:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:06:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:06:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:06:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:06:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:06:06,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:06:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:06:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:06:06,851 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:06:07,075 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:06:07,079 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:06:07,676 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:06:07,870 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:06:07,897 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:06:07,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:07 BoogieIcfgContainer [2023-11-21 22:06:07,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:06:07,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:06:07,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:06:07,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:06:07,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:06:06" (1/3) ... [2023-11-21 22:06:07,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d8d961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:07, skipping insertion in model container [2023-11-21 22:06:07,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:06" (2/3) ... [2023-11-21 22:06:07,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d8d961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:07, skipping insertion in model container [2023-11-21 22:06:07,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:07" (3/3) ... [2023-11-21 22:06:07,911 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2023-11-21 22:06:07,922 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:06:07,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:06:07,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2023-11-21 22:06:07,962 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:06:08,052 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-21 22:06:08,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 226 places, 228 transitions, 470 flow [2023-11-21 22:06:08,249 INFO L124 PetriNetUnfolderBase]: 9/226 cut-off events. [2023-11-21 22:06:08,249 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-21 22:06:08,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 226 events. 9/226 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 155 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 163. Up to 2 conditions per place. [2023-11-21 22:06:08,258 INFO L82 GeneralOperation]: Start removeDead. Operand has 226 places, 228 transitions, 470 flow [2023-11-21 22:06:08,273 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 205 transitions, 422 flow [2023-11-21 22:06:08,296 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:06:08,308 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;@635dd4e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:06:08,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2023-11-21 22:06:08,327 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:06:08,327 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-21 22:06:08,327 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:06:08,328 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:08,328 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:08,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:08,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:08,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1118167368, now seen corresponding path program 1 times [2023-11-21 22:06:08,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:08,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104886834] [2023-11-21 22:06:08,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:08,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:08,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:08,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104886834] [2023-11-21 22:06:08,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104886834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:08,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:08,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:08,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768700933] [2023-11-21 22:06:08,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:08,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:08,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:08,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:08,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:08,720 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 228 [2023-11-21 22:06:08,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 205 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-11-21 22:06:08,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:08,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 228 [2023-11-21 22:06:08,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:08,939 INFO L124 PetriNetUnfolderBase]: 45/291 cut-off events. [2023-11-21 22:06:08,939 INFO L125 PetriNetUnfolderBase]: For 44/63 co-relation queries the response was YES. [2023-11-21 22:06:08,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 291 events. 45/291 cut-off events. For 44/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 638 event pairs, 31 based on Foata normal form. 6/262 useless extension candidates. Maximal degree in co-relation 233. Up to 95 conditions per place. [2023-11-21 22:06:08,947 INFO L140 encePairwiseOnDemand]: 199/228 looper letters, 19 selfloop transitions, 2 changer transitions 6/178 dead transitions. [2023-11-21 22:06:08,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 178 transitions, 410 flow [2023-11-21 22:06:08,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:08,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 579 transitions. [2023-11-21 22:06:08,977 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8464912280701754 [2023-11-21 22:06:08,978 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 579 transitions. [2023-11-21 22:06:08,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 579 transitions. [2023-11-21 22:06:08,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:08,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 579 transitions. [2023-11-21 22:06:08,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2023-11-21 22:06:09,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:09,008 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:09,010 INFO L175 Difference]: Start difference. First operand has 204 places, 205 transitions, 422 flow. Second operand 3 states and 579 transitions. [2023-11-21 22:06:09,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 178 transitions, 410 flow [2023-11-21 22:06:09,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 178 transitions, 402 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:06:09,045 INFO L231 Difference]: Finished difference. Result has 181 places, 172 transitions, 352 flow [2023-11-21 22:06:09,048 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=181, PETRI_TRANSITIONS=172} [2023-11-21 22:06:09,053 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -23 predicate places. [2023-11-21 22:06:09,054 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 172 transitions, 352 flow [2023-11-21 22:06:09,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-11-21 22:06:09,055 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:09,056 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:09,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:06:09,057 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:09,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:09,058 INFO L85 PathProgramCache]: Analyzing trace with hash 985966371, now seen corresponding path program 1 times [2023-11-21 22:06:09,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:09,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216476872] [2023-11-21 22:06:09,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:09,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:09,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:09,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:09,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216476872] [2023-11-21 22:06:09,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216476872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:09,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:09,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:09,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545226126] [2023-11-21 22:06:09,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:09,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:09,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:09,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:09,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:09,198 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 228 [2023-11-21 22:06:09,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 172 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-11-21 22:06:09,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:09,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 228 [2023-11-21 22:06:09,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:09,359 INFO L124 PetriNetUnfolderBase]: 45/284 cut-off events. [2023-11-21 22:06:09,359 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-21 22:06:09,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 284 events. 45/284 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 628 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 360. Up to 95 conditions per place. [2023-11-21 22:06:09,368 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 19 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2023-11-21 22:06:09,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 171 transitions, 392 flow [2023-11-21 22:06:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-21 22:06:09,373 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8084795321637427 [2023-11-21 22:06:09,374 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-21 22:06:09,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-21 22:06:09,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:09,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-21 22:06:09,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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) [2023-11-21 22:06:09,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:09,386 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:09,386 INFO L175 Difference]: Start difference. First operand has 181 places, 172 transitions, 352 flow. Second operand 3 states and 553 transitions. [2023-11-21 22:06:09,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 171 transitions, 392 flow [2023-11-21 22:06:09,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 171 transitions, 388 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:06:09,398 INFO L231 Difference]: Finished difference. Result has 174 places, 171 transitions, 350 flow [2023-11-21 22:06:09,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=174, PETRI_TRANSITIONS=171} [2023-11-21 22:06:09,401 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -30 predicate places. [2023-11-21 22:06:09,402 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 171 transitions, 350 flow [2023-11-21 22:06:09,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-11-21 22:06:09,407 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:09,408 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:09,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:06:09,409 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:09,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:09,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1020279135, now seen corresponding path program 1 times [2023-11-21 22:06:09,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:09,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730323304] [2023-11-21 22:06:09,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:09,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:09,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:09,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730323304] [2023-11-21 22:06:09,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730323304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:09,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:09,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:09,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101751898] [2023-11-21 22:06:09,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:09,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:09,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:09,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:09,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:09,585 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 228 [2023-11-21 22:06:09,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 171 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-11-21 22:06:09,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:09,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 228 [2023-11-21 22:06:09,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:09,707 INFO L124 PetriNetUnfolderBase]: 45/283 cut-off events. [2023-11-21 22:06:09,707 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-21 22:06:09,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 389 conditions, 283 events. 45/283 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 627 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 351. Up to 95 conditions per place. [2023-11-21 22:06:09,710 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 19 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2023-11-21 22:06:09,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 170 transitions, 390 flow [2023-11-21 22:06:09,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:09,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-21 22:06:09,714 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8084795321637427 [2023-11-21 22:06:09,714 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-21 22:06:09,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-21 22:06:09,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:09,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-21 22:06:09,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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) [2023-11-21 22:06:09,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:09,722 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:09,722 INFO L175 Difference]: Start difference. First operand has 174 places, 171 transitions, 350 flow. Second operand 3 states and 553 transitions. [2023-11-21 22:06:09,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 170 transitions, 390 flow [2023-11-21 22:06:09,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 170 transitions, 386 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:06:09,732 INFO L231 Difference]: Finished difference. Result has 173 places, 170 transitions, 348 flow [2023-11-21 22:06:09,733 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=173, PETRI_TRANSITIONS=170} [2023-11-21 22:06:09,736 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -31 predicate places. [2023-11-21 22:06:09,737 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 170 transitions, 348 flow [2023-11-21 22:06:09,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-11-21 22:06:09,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:09,738 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:09,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:06:09,739 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:09,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:09,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1659616527, now seen corresponding path program 1 times [2023-11-21 22:06:09,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:09,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988479325] [2023-11-21 22:06:09,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:09,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:09,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:09,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988479325] [2023-11-21 22:06:09,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988479325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:09,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:09,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:09,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991335133] [2023-11-21 22:06:09,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:09,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:09,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:09,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:09,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:09,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 228 [2023-11-21 22:06:09,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 170 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-11-21 22:06:09,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:09,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 228 [2023-11-21 22:06:09,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:09,986 INFO L124 PetriNetUnfolderBase]: 45/282 cut-off events. [2023-11-21 22:06:09,986 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-21 22:06:09,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 282 events. 45/282 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 624 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 343. Up to 95 conditions per place. [2023-11-21 22:06:09,988 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 19 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2023-11-21 22:06:09,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 388 flow [2023-11-21 22:06:09,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-21 22:06:09,991 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8084795321637427 [2023-11-21 22:06:09,991 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-21 22:06:09,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-21 22:06:09,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:09,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-21 22:06:09,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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) [2023-11-21 22:06:09,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:09,999 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:10,000 INFO L175 Difference]: Start difference. First operand has 173 places, 170 transitions, 348 flow. Second operand 3 states and 553 transitions. [2023-11-21 22:06:10,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 388 flow [2023-11-21 22:06:10,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 169 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:06:10,005 INFO L231 Difference]: Finished difference. Result has 172 places, 169 transitions, 346 flow [2023-11-21 22:06:10,005 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=172, PETRI_TRANSITIONS=169} [2023-11-21 22:06:10,007 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -32 predicate places. [2023-11-21 22:06:10,008 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 169 transitions, 346 flow [2023-11-21 22:06:10,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-11-21 22:06:10,009 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:10,009 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:10,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:06:10,010 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:10,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:10,010 INFO L85 PathProgramCache]: Analyzing trace with hash -229085416, now seen corresponding path program 1 times [2023-11-21 22:06:10,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:10,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624692788] [2023-11-21 22:06:10,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:10,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:10,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:10,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624692788] [2023-11-21 22:06:10,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624692788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:10,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:10,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:10,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027089652] [2023-11-21 22:06:10,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:10,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:10,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:10,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:10,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:10,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 228 [2023-11-21 22:06:10,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 169 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-11-21 22:06:10,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:10,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 228 [2023-11-21 22:06:10,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:10,238 INFO L124 PetriNetUnfolderBase]: 45/281 cut-off events. [2023-11-21 22:06:10,238 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-21 22:06:10,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 281 events. 45/281 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 624 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 335. Up to 95 conditions per place. [2023-11-21 22:06:10,241 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 19 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2023-11-21 22:06:10,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 168 transitions, 386 flow [2023-11-21 22:06:10,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:10,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2023-11-21 22:06:10,245 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8084795321637427 [2023-11-21 22:06:10,246 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2023-11-21 22:06:10,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2023-11-21 22:06:10,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:10,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2023-11-21 22:06:10,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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) [2023-11-21 22:06:10,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:10,252 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:10,252 INFO L175 Difference]: Start difference. First operand has 172 places, 169 transitions, 346 flow. Second operand 3 states and 553 transitions. [2023-11-21 22:06:10,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 168 transitions, 386 flow [2023-11-21 22:06:10,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 168 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:06:10,257 INFO L231 Difference]: Finished difference. Result has 171 places, 168 transitions, 344 flow [2023-11-21 22:06:10,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=171, PETRI_TRANSITIONS=168} [2023-11-21 22:06:10,260 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -33 predicate places. [2023-11-21 22:06:10,261 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 168 transitions, 344 flow [2023-11-21 22:06:10,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2023-11-21 22:06:10,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:10,262 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:10,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:06:10,263 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:10,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:10,264 INFO L85 PathProgramCache]: Analyzing trace with hash 517910394, now seen corresponding path program 1 times [2023-11-21 22:06:10,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:10,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567811621] [2023-11-21 22:06:10,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:10,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:10,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:10,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567811621] [2023-11-21 22:06:10,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567811621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:10,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:10,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:10,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512341684] [2023-11-21 22:06:10,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:10,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:10,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:10,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:10,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:10,375 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 228 [2023-11-21 22:06:10,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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) [2023-11-21 22:06:10,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:10,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 228 [2023-11-21 22:06:10,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:10,457 INFO L124 PetriNetUnfolderBase]: 45/280 cut-off events. [2023-11-21 22:06:10,457 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-21 22:06:10,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 280 events. 45/280 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 623 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 328. Up to 96 conditions per place. [2023-11-21 22:06:10,461 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 20 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2023-11-21 22:06:10,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 167 transitions, 386 flow [2023-11-21 22:06:10,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:10,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:10,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 551 transitions. [2023-11-21 22:06:10,464 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2023-11-21 22:06:10,464 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 551 transitions. [2023-11-21 22:06:10,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 551 transitions. [2023-11-21 22:06:10,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:10,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 551 transitions. [2023-11-21 22:06:10,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.66666666666666) internal successors, (551), 3 states have internal predecessors, (551), 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) [2023-11-21 22:06:10,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:10,471 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:10,471 INFO L175 Difference]: Start difference. First operand has 171 places, 168 transitions, 344 flow. Second operand 3 states and 551 transitions. [2023-11-21 22:06:10,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 167 transitions, 386 flow [2023-11-21 22:06:10,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 167 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:06:10,477 INFO L231 Difference]: Finished difference. Result has 170 places, 167 transitions, 342 flow [2023-11-21 22:06:10,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=170, PETRI_TRANSITIONS=167} [2023-11-21 22:06:10,481 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -34 predicate places. [2023-11-21 22:06:10,481 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 167 transitions, 342 flow [2023-11-21 22:06:10,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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) [2023-11-21 22:06:10,483 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:10,483 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:10,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:06:10,484 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:10,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:10,485 INFO L85 PathProgramCache]: Analyzing trace with hash 703289676, now seen corresponding path program 1 times [2023-11-21 22:06:10,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:10,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565836054] [2023-11-21 22:06:10,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:10,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:10,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:10,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565836054] [2023-11-21 22:06:10,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565836054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:10,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:10,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:10,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421484882] [2023-11-21 22:06:10,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:10,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:10,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:10,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:10,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:10,586 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 228 [2023-11-21 22:06:10,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 22:06:10,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:10,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 228 [2023-11-21 22:06:10,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:10,674 INFO L124 PetriNetUnfolderBase]: 45/279 cut-off events. [2023-11-21 22:06:10,675 INFO L125 PetriNetUnfolderBase]: For 13/32 co-relation queries the response was YES. [2023-11-21 22:06:10,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 279 events. 45/279 cut-off events. For 13/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 625 event pairs, 31 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 316. Up to 92 conditions per place. [2023-11-21 22:06:10,677 INFO L140 encePairwiseOnDemand]: 226/228 looper letters, 17 selfloop transitions, 1 changer transitions 0/166 dead transitions. [2023-11-21 22:06:10,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 376 flow [2023-11-21 22:06:10,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:10,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2023-11-21 22:06:10,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8216374269005848 [2023-11-21 22:06:10,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2023-11-21 22:06:10,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2023-11-21 22:06:10,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:10,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2023-11-21 22:06:10,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2023-11-21 22:06:10,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:10,685 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:10,685 INFO L175 Difference]: Start difference. First operand has 170 places, 167 transitions, 342 flow. Second operand 3 states and 562 transitions. [2023-11-21 22:06:10,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 376 flow [2023-11-21 22:06:10,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:06:10,690 INFO L231 Difference]: Finished difference. Result has 169 places, 166 transitions, 338 flow [2023-11-21 22:06:10,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=169, PETRI_TRANSITIONS=166} [2023-11-21 22:06:10,691 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -35 predicate places. [2023-11-21 22:06:10,691 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 166 transitions, 338 flow [2023-11-21 22:06:10,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 22:06:10,692 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:10,692 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:10,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:06:10,692 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:10,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:10,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1315724614, now seen corresponding path program 1 times [2023-11-21 22:06:10,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:10,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593538001] [2023-11-21 22:06:10,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:10,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:10,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:10,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593538001] [2023-11-21 22:06:10,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593538001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:10,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:10,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:10,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412889408] [2023-11-21 22:06:10,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:10,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:10,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:10,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:10,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:10,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 228 [2023-11-21 22:06:10,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 166 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 22:06:10,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:10,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 228 [2023-11-21 22:06:10,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:10,845 INFO L124 PetriNetUnfolderBase]: 58/334 cut-off events. [2023-11-21 22:06:10,845 INFO L125 PetriNetUnfolderBase]: For 16/77 co-relation queries the response was YES. [2023-11-21 22:06:10,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 334 events. 58/334 cut-off events. For 16/77 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 929 event pairs, 10 based on Foata normal form. 1/305 useless extension candidates. Maximal degree in co-relation 396. Up to 66 conditions per place. [2023-11-21 22:06:10,848 INFO L140 encePairwiseOnDemand]: 220/228 looper letters, 24 selfloop transitions, 7 changer transitions 0/178 dead transitions. [2023-11-21 22:06:10,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 178 transitions, 426 flow [2023-11-21 22:06:10,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:10,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:10,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2023-11-21 22:06:10,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8406432748538012 [2023-11-21 22:06:10,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2023-11-21 22:06:10,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2023-11-21 22:06:10,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:10,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2023-11-21 22:06:10,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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) [2023-11-21 22:06:10,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:10,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:10,857 INFO L175 Difference]: Start difference. First operand has 169 places, 166 transitions, 338 flow. Second operand 3 states and 575 transitions. [2023-11-21 22:06:10,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 178 transitions, 426 flow [2023-11-21 22:06:10,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 178 transitions, 425 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:06:10,863 INFO L231 Difference]: Finished difference. Result has 171 places, 171 transitions, 387 flow [2023-11-21 22:06:10,863 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=171, PETRI_TRANSITIONS=171} [2023-11-21 22:06:10,866 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -33 predicate places. [2023-11-21 22:06:10,866 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 171 transitions, 387 flow [2023-11-21 22:06:10,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 22:06:10,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:10,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:10,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:06:10,869 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:10,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:10,871 INFO L85 PathProgramCache]: Analyzing trace with hash 876074070, now seen corresponding path program 1 times [2023-11-21 22:06:10,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:10,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2151569] [2023-11-21 22:06:10,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:10,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:10,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:10,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2151569] [2023-11-21 22:06:10,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2151569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:10,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:10,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:10,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024367380] [2023-11-21 22:06:10,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:10,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:10,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:10,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:10,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:10,938 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 228 [2023-11-21 22:06:10,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 171 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 22:06:10,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:10,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 228 [2023-11-21 22:06:10,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:11,057 INFO L124 PetriNetUnfolderBase]: 96/489 cut-off events. [2023-11-21 22:06:11,057 INFO L125 PetriNetUnfolderBase]: For 105/140 co-relation queries the response was YES. [2023-11-21 22:06:11,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 489 events. 96/489 cut-off events. For 105/140 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2047 event pairs, 17 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 767. Up to 105 conditions per place. [2023-11-21 22:06:11,062 INFO L140 encePairwiseOnDemand]: 224/228 looper letters, 37 selfloop transitions, 4 changer transitions 0/187 dead transitions. [2023-11-21 22:06:11,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 187 transitions, 537 flow [2023-11-21 22:06:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:11,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2023-11-21 22:06:11,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8391812865497076 [2023-11-21 22:06:11,065 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 574 transitions. [2023-11-21 22:06:11,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 574 transitions. [2023-11-21 22:06:11,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:11,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 574 transitions. [2023-11-21 22:06:11,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 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) [2023-11-21 22:06:11,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,071 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,071 INFO L175 Difference]: Start difference. First operand has 171 places, 171 transitions, 387 flow. Second operand 3 states and 574 transitions. [2023-11-21 22:06:11,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 187 transitions, 537 flow [2023-11-21 22:06:11,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 187 transitions, 511 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:06:11,080 INFO L231 Difference]: Finished difference. Result has 171 places, 171 transitions, 389 flow [2023-11-21 22:06:11,080 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=171, PETRI_TRANSITIONS=171} [2023-11-21 22:06:11,081 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -33 predicate places. [2023-11-21 22:06:11,081 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 171 transitions, 389 flow [2023-11-21 22:06:11,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 22:06:11,082 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:11,082 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:11,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:06:11,083 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:11,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1840115482, now seen corresponding path program 1 times [2023-11-21 22:06:11,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:11,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601903056] [2023-11-21 22:06:11,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:11,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:11,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601903056] [2023-11-21 22:06:11,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601903056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:11,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:11,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:11,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250231395] [2023-11-21 22:06:11,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:11,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:11,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:11,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:11,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:11,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 228 [2023-11-21 22:06:11,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 171 transitions, 389 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 22:06:11,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:11,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 228 [2023-11-21 22:06:11,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:11,377 INFO L124 PetriNetUnfolderBase]: 113/717 cut-off events. [2023-11-21 22:06:11,377 INFO L125 PetriNetUnfolderBase]: For 127/207 co-relation queries the response was YES. [2023-11-21 22:06:11,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1113 conditions, 717 events. 113/717 cut-off events. For 127/207 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4209 event pairs, 29 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 1046. Up to 156 conditions per place. [2023-11-21 22:06:11,383 INFO L140 encePairwiseOnDemand]: 223/228 looper letters, 39 selfloop transitions, 4 changer transitions 0/188 dead transitions. [2023-11-21 22:06:11,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 188 transitions, 538 flow [2023-11-21 22:06:11,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 576 transitions. [2023-11-21 22:06:11,386 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8421052631578947 [2023-11-21 22:06:11,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 576 transitions. [2023-11-21 22:06:11,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 576 transitions. [2023-11-21 22:06:11,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:11,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 576 transitions. [2023-11-21 22:06:11,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 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) [2023-11-21 22:06:11,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,394 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,394 INFO L175 Difference]: Start difference. First operand has 171 places, 171 transitions, 389 flow. Second operand 3 states and 576 transitions. [2023-11-21 22:06:11,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 188 transitions, 538 flow [2023-11-21 22:06:11,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 188 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:06:11,401 INFO L231 Difference]: Finished difference. Result has 173 places, 173 transitions, 411 flow [2023-11-21 22:06:11,402 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=173, PETRI_TRANSITIONS=173} [2023-11-21 22:06:11,403 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -31 predicate places. [2023-11-21 22:06:11,403 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 173 transitions, 411 flow [2023-11-21 22:06:11,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 22:06:11,403 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:11,404 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:11,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:06:11,405 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:11,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,406 INFO L85 PathProgramCache]: Analyzing trace with hash -688791290, now seen corresponding path program 1 times [2023-11-21 22:06:11,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:11,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36134348] [2023-11-21 22:06:11,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:11,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:11,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:11,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36134348] [2023-11-21 22:06:11,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36134348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:11,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:11,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:11,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207688183] [2023-11-21 22:06:11,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:11,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:11,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:11,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:11,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:11,501 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 228 [2023-11-21 22:06:11,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 173 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 22:06:11,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:11,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 228 [2023-11-21 22:06:11,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:11,667 INFO L124 PetriNetUnfolderBase]: 111/639 cut-off events. [2023-11-21 22:06:11,667 INFO L125 PetriNetUnfolderBase]: For 225/306 co-relation queries the response was YES. [2023-11-21 22:06:11,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 639 events. 111/639 cut-off events. For 225/306 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3496 event pairs, 44 based on Foata normal form. 3/592 useless extension candidates. Maximal degree in co-relation 1065. Up to 209 conditions per place. [2023-11-21 22:06:11,673 INFO L140 encePairwiseOnDemand]: 225/228 looper letters, 33 selfloop transitions, 2 changer transitions 0/179 dead transitions. [2023-11-21 22:06:11,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 179 transitions, 510 flow [2023-11-21 22:06:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2023-11-21 22:06:11,677 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8289473684210527 [2023-11-21 22:06:11,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2023-11-21 22:06:11,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2023-11-21 22:06:11,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:11,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2023-11-21 22:06:11,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2023-11-21 22:06:11,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,683 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,683 INFO L175 Difference]: Start difference. First operand has 173 places, 173 transitions, 411 flow. Second operand 3 states and 567 transitions. [2023-11-21 22:06:11,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 179 transitions, 510 flow [2023-11-21 22:06:11,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 179 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:06:11,692 INFO L231 Difference]: Finished difference. Result has 172 places, 172 transitions, 405 flow [2023-11-21 22:06:11,693 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=172, PETRI_TRANSITIONS=172} [2023-11-21 22:06:11,693 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -32 predicate places. [2023-11-21 22:06:11,694 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 172 transitions, 405 flow [2023-11-21 22:06:11,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2023-11-21 22:06:11,694 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:11,694 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:11,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 22:06:11,695 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:11,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1865162042, now seen corresponding path program 1 times [2023-11-21 22:06:11,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:11,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346996717] [2023-11-21 22:06:11,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:11,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:11,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:11,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346996717] [2023-11-21 22:06:11,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346996717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:11,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:11,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:11,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716786648] [2023-11-21 22:06:11,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:11,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:06:11,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:11,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:06:11,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:06:11,783 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 228 [2023-11-21 22:06:11,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 172 transitions, 405 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2023-11-21 22:06:11,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:11,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 228 [2023-11-21 22:06:11,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:11,941 INFO L124 PetriNetUnfolderBase]: 111/676 cut-off events. [2023-11-21 22:06:11,942 INFO L125 PetriNetUnfolderBase]: For 162/299 co-relation queries the response was YES. [2023-11-21 22:06:11,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 676 events. 111/676 cut-off events. For 162/299 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3835 event pairs, 33 based on Foata normal form. 4/617 useless extension candidates. Maximal degree in co-relation 1078. Up to 235 conditions per place. [2023-11-21 22:06:11,948 INFO L140 encePairwiseOnDemand]: 223/228 looper letters, 32 selfloop transitions, 4 changer transitions 3/179 dead transitions. [2023-11-21 22:06:11,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 179 transitions, 512 flow [2023-11-21 22:06:11,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:06:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:06:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2023-11-21 22:06:11,952 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8230994152046783 [2023-11-21 22:06:11,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 563 transitions. [2023-11-21 22:06:11,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 563 transitions. [2023-11-21 22:06:11,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:11,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 563 transitions. [2023-11-21 22:06:11,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 228.0) internal successors, (912), 4 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,958 INFO L175 Difference]: Start difference. First operand has 172 places, 172 transitions, 405 flow. Second operand 3 states and 563 transitions. [2023-11-21 22:06:11,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 179 transitions, 512 flow [2023-11-21 22:06:11,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 179 transitions, 506 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:06:11,965 INFO L231 Difference]: Finished difference. Result has 170 places, 167 transitions, 398 flow [2023-11-21 22:06:11,966 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=170, PETRI_TRANSITIONS=167} [2023-11-21 22:06:11,967 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -34 predicate places. [2023-11-21 22:06:11,967 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 167 transitions, 398 flow [2023-11-21 22:06:11,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2023-11-21 22:06:11,968 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:11,968 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:11,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 22:06:11,969 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:11,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,969 INFO L85 PathProgramCache]: Analyzing trace with hash 542381798, now seen corresponding path program 1 times [2023-11-21 22:06:11,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:11,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858718628] [2023-11-21 22:06:11,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:11,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:12,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:12,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858718628] [2023-11-21 22:06:12,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858718628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:12,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:12,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:06:12,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860221158] [2023-11-21 22:06:12,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:12,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:06:12,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:12,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:06:12,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:06:13,062 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 228 [2023-11-21 22:06:13,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 167 transitions, 398 flow. Second operand has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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) [2023-11-21 22:06:13,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:13,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 228 [2023-11-21 22:06:13,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:13,600 INFO L124 PetriNetUnfolderBase]: 906/2006 cut-off events. [2023-11-21 22:06:13,600 INFO L125 PetriNetUnfolderBase]: For 1067/1067 co-relation queries the response was YES. [2023-11-21 22:06:13,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4522 conditions, 2006 events. 906/2006 cut-off events. For 1067/1067 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 12354 event pairs, 32 based on Foata normal form. 0/1947 useless extension candidates. Maximal degree in co-relation 4452. Up to 580 conditions per place. [2023-11-21 22:06:13,620 INFO L140 encePairwiseOnDemand]: 223/228 looper letters, 111 selfloop transitions, 4 changer transitions 0/250 dead transitions. [2023-11-21 22:06:13,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 250 transitions, 1002 flow [2023-11-21 22:06:13,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:06:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:06:13,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1116 transitions. [2023-11-21 22:06:13,625 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8157894736842105 [2023-11-21 22:06:13,626 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1116 transitions. [2023-11-21 22:06:13,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1116 transitions. [2023-11-21 22:06:13,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:13,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1116 transitions. [2023-11-21 22:06:13,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.0) internal successors, (1116), 6 states have internal predecessors, (1116), 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) [2023-11-21 22:06:13,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 228.0) internal successors, (1596), 7 states have internal predecessors, (1596), 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) [2023-11-21 22:06:13,638 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 228.0) internal successors, (1596), 7 states have internal predecessors, (1596), 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) [2023-11-21 22:06:13,638 INFO L175 Difference]: Start difference. First operand has 170 places, 167 transitions, 398 flow. Second operand 6 states and 1116 transitions. [2023-11-21 22:06:13,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 250 transitions, 1002 flow [2023-11-21 22:06:13,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 250 transitions, 970 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:06:13,646 INFO L231 Difference]: Finished difference. Result has 169 places, 166 transitions, 396 flow [2023-11-21 22:06:13,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=169, PETRI_TRANSITIONS=166} [2023-11-21 22:06:13,648 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -35 predicate places. [2023-11-21 22:06:13,649 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 166 transitions, 396 flow [2023-11-21 22:06:13,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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) [2023-11-21 22:06:13,650 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:06:13,650 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:13,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 22:06:13,651 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2023-11-21 22:06:13,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:13,651 INFO L85 PathProgramCache]: Analyzing trace with hash 822492349, now seen corresponding path program 1 times [2023-11-21 22:06:13,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:13,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499718582] [2023-11-21 22:06:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:13,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:14,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:14,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499718582] [2023-11-21 22:06:14,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499718582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:14,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:14,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:06:14,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813391644] [2023-11-21 22:06:14,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:14,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:06:14,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:14,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:06:14,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:06:14,733 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 228 [2023-11-21 22:06:14,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 166 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 177.16666666666666) internal successors, (1063), 6 states have internal predecessors, (1063), 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) [2023-11-21 22:06:14,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:06:14,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 228 [2023-11-21 22:06:14,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:06:14,952 INFO L124 PetriNetUnfolderBase]: 286/868 cut-off events. [2023-11-21 22:06:14,953 INFO L125 PetriNetUnfolderBase]: For 302/380 co-relation queries the response was YES. [2023-11-21 22:06:14,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1826 conditions, 868 events. 286/868 cut-off events. For 302/380 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4518 event pairs, 54 based on Foata normal form. 0/826 useless extension candidates. Maximal degree in co-relation 1756. Up to 242 conditions per place. [2023-11-21 22:06:14,956 INFO L140 encePairwiseOnDemand]: 223/228 looper letters, 0 selfloop transitions, 0 changer transitions 209/209 dead transitions. [2023-11-21 22:06:14,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 209 transitions, 712 flow [2023-11-21 22:06:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:06:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:06:14,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1100 transitions. [2023-11-21 22:06:14,961 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.804093567251462 [2023-11-21 22:06:14,961 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1100 transitions. [2023-11-21 22:06:14,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1100 transitions. [2023-11-21 22:06:14,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:14,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1100 transitions. [2023-11-21 22:06:14,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 183.33333333333334) internal successors, (1100), 6 states have internal predecessors, (1100), 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) [2023-11-21 22:06:14,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 228.0) internal successors, (1596), 7 states have internal predecessors, (1596), 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) [2023-11-21 22:06:14,970 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 228.0) internal successors, (1596), 7 states have internal predecessors, (1596), 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) [2023-11-21 22:06:14,970 INFO L175 Difference]: Start difference. First operand has 169 places, 166 transitions, 396 flow. Second operand 6 states and 1100 transitions. [2023-11-21 22:06:14,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 209 transitions, 712 flow [2023-11-21 22:06:14,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 209 transitions, 705 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:06:14,975 INFO L231 Difference]: Finished difference. Result has 169 places, 0 transitions, 0 flow [2023-11-21 22:06:14,975 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=228, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=169, PETRI_TRANSITIONS=0} [2023-11-21 22:06:14,976 INFO L281 CegarLoopForPetriNet]: 204 programPoint places, -35 predicate places. [2023-11-21 22:06:14,977 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 0 transitions, 0 flow [2023-11-21 22:06:14,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.16666666666666) internal successors, (1063), 6 states have internal predecessors, (1063), 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) [2023-11-21 22:06:14,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (56 of 57 remaining) [2023-11-21 22:06:14,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 57 remaining) [2023-11-21 22:06:14,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 57 remaining) [2023-11-21 22:06:14,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 57 remaining) [2023-11-21 22:06:14,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (52 of 57 remaining) [2023-11-21 22:06:14,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (51 of 57 remaining) [2023-11-21 22:06:14,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (50 of 57 remaining) [2023-11-21 22:06:14,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (49 of 57 remaining) [2023-11-21 22:06:14,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (48 of 57 remaining) [2023-11-21 22:06:14,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 57 remaining) [2023-11-21 22:06:14,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 57 remaining) [2023-11-21 22:06:14,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (45 of 57 remaining) [2023-11-21 22:06:14,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (44 of 57 remaining) [2023-11-21 22:06:14,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (43 of 57 remaining) [2023-11-21 22:06:14,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 57 remaining) [2023-11-21 22:06:14,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 57 remaining) [2023-11-21 22:06:14,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (40 of 57 remaining) [2023-11-21 22:06:14,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (39 of 57 remaining) [2023-11-21 22:06:14,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (38 of 57 remaining) [2023-11-21 22:06:14,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (37 of 57 remaining) [2023-11-21 22:06:14,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 57 remaining) [2023-11-21 22:06:14,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 57 remaining) [2023-11-21 22:06:14,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (34 of 57 remaining) [2023-11-21 22:06:14,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 57 remaining) [2023-11-21 22:06:14,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 57 remaining) [2023-11-21 22:06:14,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 57 remaining) [2023-11-21 22:06:14,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (30 of 57 remaining) [2023-11-21 22:06:14,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (29 of 57 remaining) [2023-11-21 22:06:14,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (28 of 57 remaining) [2023-11-21 22:06:14,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (27 of 57 remaining) [2023-11-21 22:06:14,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (26 of 57 remaining) [2023-11-21 22:06:14,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (25 of 57 remaining) [2023-11-21 22:06:14,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (24 of 57 remaining) [2023-11-21 22:06:14,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (23 of 57 remaining) [2023-11-21 22:06:14,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (22 of 57 remaining) [2023-11-21 22:06:14,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 57 remaining) [2023-11-21 22:06:14,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 57 remaining) [2023-11-21 22:06:14,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 57 remaining) [2023-11-21 22:06:14,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (18 of 57 remaining) [2023-11-21 22:06:14,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 57 remaining) [2023-11-21 22:06:14,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 57 remaining) [2023-11-21 22:06:14,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 57 remaining) [2023-11-21 22:06:14,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 57 remaining) [2023-11-21 22:06:14,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 57 remaining) [2023-11-21 22:06:14,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 57 remaining) [2023-11-21 22:06:14,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 57 remaining) [2023-11-21 22:06:14,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 57 remaining) [2023-11-21 22:06:14,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (9 of 57 remaining) [2023-11-21 22:06:14,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 57 remaining) [2023-11-21 22:06:14,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 57 remaining) [2023-11-21 22:06:14,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 57 remaining) [2023-11-21 22:06:14,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 57 remaining) [2023-11-21 22:06:14,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 57 remaining) [2023-11-21 22:06:14,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 57 remaining) [2023-11-21 22:06:14,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 57 remaining) [2023-11-21 22:06:14,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 57 remaining) [2023-11-21 22:06:14,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 57 remaining) [2023-11-21 22:06:14,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 22:06:14,994 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:15,001 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:06:15,001 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:06:15,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:06:15 BasicIcfg [2023-11-21 22:06:15,009 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:06:15,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:06:15,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:06:15,010 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:06:15,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:07" (3/4) ... [2023-11-21 22:06:15,013 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:06:15,016 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 22:06:15,016 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 22:06:15,025 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-21 22:06:15,026 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:06:15,026 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:06:15,027 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:06:15,148 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:06:15,149 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:06:15,149 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:06:15,150 INFO L158 Benchmark]: Toolchain (without parser) took 8905.77ms. Allocated memory was 130.0MB in the beginning and 239.1MB in the end (delta: 109.1MB). Free memory was 91.3MB in the beginning and 118.7MB in the end (delta: -27.4MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2023-11-21 22:06:15,150 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:06:15,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.99ms. Allocated memory is still 130.0MB. Free memory was 91.3MB in the beginning and 79.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:06:15,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.67ms. Allocated memory is still 130.0MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:06:15,151 INFO L158 Benchmark]: Boogie Preprocessor took 46.95ms. Allocated memory is still 130.0MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:06:15,152 INFO L158 Benchmark]: RCFGBuilder took 1159.83ms. Allocated memory is still 130.0MB. Free memory was 75.2MB in the beginning and 99.8MB in the end (delta: -24.6MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-11-21 22:06:15,152 INFO L158 Benchmark]: TraceAbstraction took 7106.94ms. Allocated memory was 130.0MB in the beginning and 239.1MB in the end (delta: 109.1MB). Free memory was 99.1MB in the beginning and 125.0MB in the end (delta: -26.0MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2023-11-21 22:06:15,153 INFO L158 Benchmark]: Witness Printer took 139.02ms. Allocated memory is still 239.1MB. Free memory was 125.0MB in the beginning and 118.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:06:15,155 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.99ms. Allocated memory is still 130.0MB. Free memory was 91.3MB in the beginning and 79.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.67ms. Allocated memory is still 130.0MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.95ms. Allocated memory is still 130.0MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1159.83ms. Allocated memory is still 130.0MB. Free memory was 75.2MB in the beginning and 99.8MB in the end (delta: -24.6MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7106.94ms. Allocated memory was 130.0MB in the beginning and 239.1MB in the end (delta: 109.1MB). Free memory was 99.1MB in the beginning and 125.0MB in the end (delta: -26.0MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. * Witness Printer took 139.02ms. Allocated memory is still 239.1MB. Free memory was 125.0MB in the beginning and 118.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 94]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 263 locations, 57 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: 6.9s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 867 IncrementalHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 33 mSDtfsCounter, 867 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1001 NumberOfCodeBlocks, 1001 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 987 ConstructedInterpolants, 0 QuantifiedInterpolants, 1173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:06:15,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a454d2-e99e-45f2-a651-4caecb1a96c5/bin/uautomizer-verify-bycVGegfSx/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