./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 9a1ebdea5e08fe7fb177f9715317eb0e1f1a80d35c0ea62e77ce19d6486e2cb1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:35:28,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:35:28,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:35:28,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:35:28,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:35:28,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:35:28,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:35:28,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:35:28,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:35:28,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:35:28,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:35:28,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:35:28,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:35:28,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:35:28,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:35:28,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:35:28,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:35:28,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:35:28,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:35:28,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:35:28,260 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:35:28,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:35:28,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:35:28,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:35:28,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:35:28,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:35:28,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:35:28,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:35:28,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:35:28,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:35:28,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:35:28,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:35:28,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:35:28,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:35:28,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:35:28,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:35:28,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:35:28,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:35:28,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:35:28,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:35:28,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:35:28,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:35:28,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:35:28,296 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:35:28,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:35:28,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:35:28,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:35:28,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:35:28,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:35:28,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:35:28,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:35:28,298 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:35:28,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:35:28,299 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:35:28,299 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:35:28,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:35:28,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:35:28,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:35:28,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:35:28,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:35:28,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:35:28,300 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:35:28,300 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:35:28,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:35:28,301 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:35:28,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:35:28,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:35:28,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:35:28,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:35:28,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:35:28,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:35:28,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:35:28,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:35:28,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:35:28,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:35:28,303 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:35:28,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:35:28,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:35:28,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a1ebdea5e08fe7fb177f9715317eb0e1f1a80d35c0ea62e77ce19d6486e2cb1 [2022-04-18 16:35:28,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:35:28,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:35:28,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:35:28,516 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:35:28,517 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:35:28,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2022-04-18 16:35:28,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab87f8024/e938328fef8f4cdabb7a9730e4d8da18/FLAG1e974c6fd [2022-04-18 16:35:28,927 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:35:28,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2022-04-18 16:35:28,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab87f8024/e938328fef8f4cdabb7a9730e4d8da18/FLAG1e974c6fd [2022-04-18 16:35:29,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab87f8024/e938328fef8f4cdabb7a9730e4d8da18 [2022-04-18 16:35:29,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:35:29,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:35:29,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:35:29,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:35:29,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:35:29,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c57f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29, skipping insertion in model container [2022-04-18 16:35:29,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:35:29,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:35:29,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3424,3437] [2022-04-18 16:35:29,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:35:29,654 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:35:29,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3424,3437] [2022-04-18 16:35:29,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:35:29,687 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:35:29,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29 WrapperNode [2022-04-18 16:35:29,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:35:29,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:35:29,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:35:29,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:35:29,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,727 INFO L137 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 479 [2022-04-18 16:35:29,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:35:29,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:35:29,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:35:29,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:35:29,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:35:29,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:35:29,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:35:29,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:35:29,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (1/1) ... [2022-04-18 16:35:29,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:35:29,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:35:29,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:35:29,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:35:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:35:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:35:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:35:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:35:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 16:35:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 16:35:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 16:35:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 16:35:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 16:35:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 16:35:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:35:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:35:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:35:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 16:35:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:35:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:35:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:35:29,816 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:35:29,883 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:35:29,884 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:35:30,474 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:35:30,771 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:35:30,771 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-04-18 16:35:30,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:30 BoogieIcfgContainer [2022-04-18 16:35:30,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:35:30,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:35:30,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:35:30,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:35:30,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:35:29" (1/3) ... [2022-04-18 16:35:30,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e8d455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:35:30, skipping insertion in model container [2022-04-18 16:35:30,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:35:29" (2/3) ... [2022-04-18 16:35:30,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e8d455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:35:30, skipping insertion in model container [2022-04-18 16:35:30,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:30" (3/3) ... [2022-04-18 16:35:30,783 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c [2022-04-18 16:35:30,787 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:35:30,787 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:35:30,787 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2022-04-18 16:35:30,787 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:35:30,864 INFO L135 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-04-18 16:35:30,903 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:35:30,908 INFO L340 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=LoopsAndPotentialCycles, 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 [2022-04-18 16:35:30,909 INFO L341 AbstractCegarLoop]: Starting to check reachability of 122 error locations. [2022-04-18 16:35:30,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 365 places, 373 transitions, 770 flow [2022-04-18 16:35:31,030 INFO L129 PetriNetUnfolder]: 18/370 cut-off events. [2022-04-18 16:35:31,030 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-04-18 16:35:31,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 370 events. 18/370 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 504 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 291. Up to 3 conditions per place. [2022-04-18 16:35:31,036 INFO L82 GeneralOperation]: Start removeDead. Operand has 365 places, 373 transitions, 770 flow [2022-04-18 16:35:31,045 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 343 places, 350 transitions, 718 flow [2022-04-18 16:35:31,050 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2022-04-18 16:35:31,050 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:35:31,051 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:31,051 INFO L255 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] [2022-04-18 16:35:31,052 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:31,057 INFO L85 PathProgramCache]: Analyzing trace with hash -451730653, now seen corresponding path program 1 times [2022-04-18 16:35:31,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:31,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312302290] [2022-04-18 16:35:31,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:31,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:31,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:31,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312302290] [2022-04-18 16:35:31,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312302290] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:31,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:31,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:31,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722777133] [2022-04-18 16:35:31,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:31,270 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:31,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:31,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:31,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:31,300 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-04-18 16:35:31,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 350 transitions, 718 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-04-18 16:35:31,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:31,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-04-18 16:35:31,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:31,450 INFO L129 PetriNetUnfolder]: 71/583 cut-off events. [2022-04-18 16:35:31,450 INFO L130 PetriNetUnfolder]: For 50/60 co-relation queries the response was YES. [2022-04-18 16:35:31,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 583 events. 71/583 cut-off events. For 50/60 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2023 event pairs, 38 based on Foata normal form. 59/551 useless extension candidates. Maximal degree in co-relation 460. Up to 112 conditions per place. [2022-04-18 16:35:31,456 INFO L132 encePairwiseOnDemand]: 314/373 looper letters, 17 selfloop transitions, 2 changer transitions 5/293 dead transitions. [2022-04-18 16:35:31,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 293 transitions, 642 flow [2022-04-18 16:35:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2022-04-18 16:35:31,471 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8588025022341377 [2022-04-18 16:35:31,472 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 961 transitions. [2022-04-18 16:35:31,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 961 transitions. [2022-04-18 16:35:31,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:31,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 961 transitions. [2022-04-18 16:35:31,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2022-04-18 16:35:31,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:31,489 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:31,491 INFO L186 Difference]: Start difference. First operand has 343 places, 350 transitions, 718 flow. Second operand 3 states and 961 transitions. [2022-04-18 16:35:31,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 293 transitions, 642 flow [2022-04-18 16:35:31,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 293 transitions, 630 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-04-18 16:35:31,502 INFO L242 Difference]: Finished difference. Result has 294 places, 288 transitions, 586 flow [2022-04-18 16:35:31,504 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=294, PETRI_TRANSITIONS=288} [2022-04-18 16:35:31,507 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -49 predicate places. [2022-04-18 16:35:31,507 INFO L478 AbstractCegarLoop]: Abstraction has has 294 places, 288 transitions, 586 flow [2022-04-18 16:35:31,508 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-04-18 16:35:31,509 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:31,509 INFO L255 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] [2022-04-18 16:35:31,509 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:35:31,509 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:31,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:31,519 INFO L85 PathProgramCache]: Analyzing trace with hash 356587274, now seen corresponding path program 1 times [2022-04-18 16:35:31,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:31,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118150066] [2022-04-18 16:35:31,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:31,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:31,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:31,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118150066] [2022-04-18 16:35:31,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118150066] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:31,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:31,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:31,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384021444] [2022-04-18 16:35:31,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:31,584 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:31,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:31,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:31,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:31,589 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-04-18 16:35:31,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 288 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:31,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:31,590 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-04-18 16:35:31,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:31,706 INFO L129 PetriNetUnfolder]: 77/672 cut-off events. [2022-04-18 16:35:31,706 INFO L130 PetriNetUnfolder]: For 10/15 co-relation queries the response was YES. [2022-04-18 16:35:31,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 672 events. 77/672 cut-off events. For 10/15 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2711 event pairs, 18 based on Foata normal form. 0/573 useless extension candidates. Maximal degree in co-relation 763. Up to 85 conditions per place. [2022-04-18 16:35:31,711 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 19 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2022-04-18 16:35:31,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 293 transitions, 640 flow [2022-04-18 16:35:31,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 916 transitions. [2022-04-18 16:35:31,713 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8185880250223414 [2022-04-18 16:35:31,713 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 916 transitions. [2022-04-18 16:35:31,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 916 transitions. [2022-04-18 16:35:31,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:31,714 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 916 transitions. [2022-04-18 16:35:31,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.3333333333333) internal successors, (916), 3 states have internal predecessors, (916), 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) [2022-04-18 16:35:31,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:31,718 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:31,718 INFO L186 Difference]: Start difference. First operand has 294 places, 288 transitions, 586 flow. Second operand 3 states and 916 transitions. [2022-04-18 16:35:31,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 293 transitions, 640 flow [2022-04-18 16:35:31,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 293 transitions, 636 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:31,724 INFO L242 Difference]: Finished difference. Result has 289 places, 288 transitions, 590 flow [2022-04-18 16:35:31,725 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=289, PETRI_TRANSITIONS=288} [2022-04-18 16:35:31,725 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -54 predicate places. [2022-04-18 16:35:31,726 INFO L478 AbstractCegarLoop]: Abstraction has has 289 places, 288 transitions, 590 flow [2022-04-18 16:35:31,726 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:31,726 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:31,726 INFO L255 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] [2022-04-18 16:35:31,727 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:35:31,727 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:31,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:31,727 INFO L85 PathProgramCache]: Analyzing trace with hash -744145008, now seen corresponding path program 1 times [2022-04-18 16:35:31,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:31,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971218764] [2022-04-18 16:35:31,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:31,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:31,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:31,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:31,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971218764] [2022-04-18 16:35:31,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971218764] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:31,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:31,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:31,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488679341] [2022-04-18 16:35:31,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:31,788 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:31,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:31,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:31,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:31,790 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-04-18 16:35:31,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 288 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:31,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:31,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-04-18 16:35:31,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:31,885 INFO L129 PetriNetUnfolder]: 71/578 cut-off events. [2022-04-18 16:35:31,885 INFO L130 PetriNetUnfolder]: For 32/42 co-relation queries the response was YES. [2022-04-18 16:35:31,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 578 events. 71/578 cut-off events. For 32/42 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2043 event pairs, 38 based on Foata normal form. 0/494 useless extension candidates. Maximal degree in co-relation 317. Up to 110 conditions per place. [2022-04-18 16:35:31,889 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 15 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2022-04-18 16:35:31,889 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 287 transitions, 622 flow [2022-04-18 16:35:31,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:31,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:31,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-04-18 16:35:31,893 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-04-18 16:35:31,893 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-04-18 16:35:31,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-04-18 16:35:31,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:31,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-04-18 16:35:31,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2022-04-18 16:35:31,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:31,897 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:31,897 INFO L186 Difference]: Start difference. First operand has 289 places, 288 transitions, 590 flow. Second operand 3 states and 911 transitions. [2022-04-18 16:35:31,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 287 transitions, 622 flow [2022-04-18 16:35:31,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 287 transitions, 620 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:31,902 INFO L242 Difference]: Finished difference. Result has 289 places, 287 transitions, 590 flow [2022-04-18 16:35:31,902 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=289, PETRI_TRANSITIONS=287} [2022-04-18 16:35:31,904 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -54 predicate places. [2022-04-18 16:35:31,904 INFO L478 AbstractCegarLoop]: Abstraction has has 289 places, 287 transitions, 590 flow [2022-04-18 16:35:31,905 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:31,905 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:31,905 INFO L255 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] [2022-04-18 16:35:31,905 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:35:31,905 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:31,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:31,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1903092828, now seen corresponding path program 1 times [2022-04-18 16:35:31,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:31,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637476071] [2022-04-18 16:35:31,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:31,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:31,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:31,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637476071] [2022-04-18 16:35:31,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637476071] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:31,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:31,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:31,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016615973] [2022-04-18 16:35:31,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:31,971 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:31,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:31,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:31,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:31,973 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-04-18 16:35:31,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 287 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-04-18 16:35:31,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:31,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-04-18 16:35:31,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:32,077 INFO L129 PetriNetUnfolder]: 71/577 cut-off events. [2022-04-18 16:35:32,078 INFO L130 PetriNetUnfolder]: For 31/41 co-relation queries the response was YES. [2022-04-18 16:35:32,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 577 events. 71/577 cut-off events. For 31/41 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2026 event pairs, 38 based on Foata normal form. 0/494 useless extension candidates. Maximal degree in co-relation 685. Up to 113 conditions per place. [2022-04-18 16:35:32,082 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 18 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2022-04-18 16:35:32,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 286 transitions, 628 flow [2022-04-18 16:35:32,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2022-04-18 16:35:32,088 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.80875781948168 [2022-04-18 16:35:32,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2022-04-18 16:35:32,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2022-04-18 16:35:32,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:32,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2022-04-18 16:35:32,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 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) [2022-04-18 16:35:32,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,092 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,092 INFO L186 Difference]: Start difference. First operand has 289 places, 287 transitions, 590 flow. Second operand 3 states and 905 transitions. [2022-04-18 16:35:32,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 286 transitions, 628 flow [2022-04-18 16:35:32,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 286 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:32,097 INFO L242 Difference]: Finished difference. Result has 288 places, 286 transitions, 588 flow [2022-04-18 16:35:32,097 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=588, PETRI_PLACES=288, PETRI_TRANSITIONS=286} [2022-04-18 16:35:32,098 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -55 predicate places. [2022-04-18 16:35:32,099 INFO L478 AbstractCegarLoop]: Abstraction has has 288 places, 286 transitions, 588 flow [2022-04-18 16:35:32,099 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-04-18 16:35:32,099 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:32,099 INFO L255 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] [2022-04-18 16:35:32,100 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:35:32,100 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:32,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:32,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1714373994, now seen corresponding path program 1 times [2022-04-18 16:35:32,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:32,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296319005] [2022-04-18 16:35:32,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:32,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:32,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296319005] [2022-04-18 16:35:32,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296319005] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:32,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:32,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:32,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179029444] [2022-04-18 16:35:32,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:32,160 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:32,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:32,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:32,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:32,162 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-04-18 16:35:32,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 286 transitions, 588 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:32,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:32,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-04-18 16:35:32,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:32,254 INFO L129 PetriNetUnfolder]: 83/652 cut-off events. [2022-04-18 16:35:32,254 INFO L130 PetriNetUnfolder]: For 32/41 co-relation queries the response was YES. [2022-04-18 16:35:32,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 652 events. 83/652 cut-off events. For 32/41 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2649 event pairs, 20 based on Foata normal form. 0/562 useless extension candidates. Maximal degree in co-relation 761. Up to 66 conditions per place. [2022-04-18 16:35:32,259 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2022-04-18 16:35:32,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 293 transitions, 656 flow [2022-04-18 16:35:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:32,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2022-04-18 16:35:32,261 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8194816800714924 [2022-04-18 16:35:32,261 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 917 transitions. [2022-04-18 16:35:32,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 917 transitions. [2022-04-18 16:35:32,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:32,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 917 transitions. [2022-04-18 16:35:32,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 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) [2022-04-18 16:35:32,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,265 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,265 INFO L186 Difference]: Start difference. First operand has 288 places, 286 transitions, 588 flow. Second operand 3 states and 917 transitions. [2022-04-18 16:35:32,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 293 transitions, 656 flow [2022-04-18 16:35:32,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 293 transitions, 652 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:32,269 INFO L242 Difference]: Finished difference. Result has 288 places, 286 transitions, 592 flow [2022-04-18 16:35:32,270 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=288, PETRI_TRANSITIONS=286} [2022-04-18 16:35:32,270 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -55 predicate places. [2022-04-18 16:35:32,270 INFO L478 AbstractCegarLoop]: Abstraction has has 288 places, 286 transitions, 592 flow [2022-04-18 16:35:32,271 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:32,271 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:32,271 INFO L255 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] [2022-04-18 16:35:32,271 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:35:32,272 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:32,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:32,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1954315421, now seen corresponding path program 1 times [2022-04-18 16:35:32,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:32,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383980598] [2022-04-18 16:35:32,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:32,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:32,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:32,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383980598] [2022-04-18 16:35:32,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383980598] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:32,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:32,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:32,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814796183] [2022-04-18 16:35:32,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:32,294 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:32,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:32,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:32,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:32,296 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-04-18 16:35:32,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 286 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:32,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:32,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-04-18 16:35:32,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:32,396 INFO L129 PetriNetUnfolder]: 83/589 cut-off events. [2022-04-18 16:35:32,396 INFO L130 PetriNetUnfolder]: For 58/68 co-relation queries the response was YES. [2022-04-18 16:35:32,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 794 conditions, 589 events. 83/589 cut-off events. For 58/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2057 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 479. Up to 123 conditions per place. [2022-04-18 16:35:32,411 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2022-04-18 16:35:32,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 285 transitions, 626 flow [2022-04-18 16:35:32,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:32,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:32,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-04-18 16:35:32,413 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-04-18 16:35:32,414 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-04-18 16:35:32,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-04-18 16:35:32,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:32,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-04-18 16:35:32,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2022-04-18 16:35:32,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,418 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,418 INFO L186 Difference]: Start difference. First operand has 288 places, 286 transitions, 592 flow. Second operand 3 states and 911 transitions. [2022-04-18 16:35:32,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 285 transitions, 626 flow [2022-04-18 16:35:32,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 285 transitions, 624 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:32,422 INFO L242 Difference]: Finished difference. Result has 288 places, 285 transitions, 592 flow [2022-04-18 16:35:32,423 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=592, PETRI_PLACES=288, PETRI_TRANSITIONS=285} [2022-04-18 16:35:32,424 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -55 predicate places. [2022-04-18 16:35:32,425 INFO L478 AbstractCegarLoop]: Abstraction has has 288 places, 285 transitions, 592 flow [2022-04-18 16:35:32,426 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:32,426 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:32,426 INFO L255 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] [2022-04-18 16:35:32,426 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:35:32,426 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:32,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:32,427 INFO L85 PathProgramCache]: Analyzing trace with hash 2013233711, now seen corresponding path program 1 times [2022-04-18 16:35:32,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:32,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800418324] [2022-04-18 16:35:32,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:32,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:32,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:32,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800418324] [2022-04-18 16:35:32,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800418324] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:32,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:32,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:32,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747180431] [2022-04-18 16:35:32,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:32,477 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:32,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:32,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:32,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:32,479 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-04-18 16:35:32,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 285 transitions, 592 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-04-18 16:35:32,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:32,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-04-18 16:35:32,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:32,578 INFO L129 PetriNetUnfolder]: 83/588 cut-off events. [2022-04-18 16:35:32,578 INFO L130 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-04-18 16:35:32,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 588 events. 83/588 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2062 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 721. Up to 126 conditions per place. [2022-04-18 16:35:32,582 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 19 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2022-04-18 16:35:32,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 284 transitions, 632 flow [2022-04-18 16:35:32,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2022-04-18 16:35:32,584 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.80875781948168 [2022-04-18 16:35:32,584 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2022-04-18 16:35:32,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2022-04-18 16:35:32,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:32,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2022-04-18 16:35:32,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 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) [2022-04-18 16:35:32,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,587 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,587 INFO L186 Difference]: Start difference. First operand has 288 places, 285 transitions, 592 flow. Second operand 3 states and 905 transitions. [2022-04-18 16:35:32,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 284 transitions, 632 flow [2022-04-18 16:35:32,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 284 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:32,593 INFO L242 Difference]: Finished difference. Result has 287 places, 284 transitions, 590 flow [2022-04-18 16:35:32,593 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=590, PETRI_PLACES=287, PETRI_TRANSITIONS=284} [2022-04-18 16:35:32,594 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -56 predicate places. [2022-04-18 16:35:32,594 INFO L478 AbstractCegarLoop]: Abstraction has has 287 places, 284 transitions, 590 flow [2022-04-18 16:35:32,595 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-04-18 16:35:32,595 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:32,595 INFO L255 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] [2022-04-18 16:35:32,596 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:35:32,596 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:32,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:32,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1926685812, now seen corresponding path program 1 times [2022-04-18 16:35:32,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:32,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696062576] [2022-04-18 16:35:32,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:32,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:32,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:32,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696062576] [2022-04-18 16:35:32,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696062576] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:32,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:32,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:32,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325648123] [2022-04-18 16:35:32,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:32,652 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:32,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:32,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:32,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:32,654 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-04-18 16:35:32,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 284 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:32,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:32,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-04-18 16:35:32,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:32,740 INFO L129 PetriNetUnfolder]: 83/587 cut-off events. [2022-04-18 16:35:32,740 INFO L130 PetriNetUnfolder]: For 58/68 co-relation queries the response was YES. [2022-04-18 16:35:32,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 780 conditions, 587 events. 83/587 cut-off events. For 58/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2053 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 708. Up to 121 conditions per place. [2022-04-18 16:35:32,743 INFO L132 encePairwiseOnDemand]: 371/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/283 dead transitions. [2022-04-18 16:35:32,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 283 transitions, 622 flow [2022-04-18 16:35:32,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-04-18 16:35:32,745 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-04-18 16:35:32,745 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-04-18 16:35:32,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-04-18 16:35:32,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:32,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-04-18 16:35:32,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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) [2022-04-18 16:35:32,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,749 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,749 INFO L186 Difference]: Start difference. First operand has 287 places, 284 transitions, 590 flow. Second operand 3 states and 910 transitions. [2022-04-18 16:35:32,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 283 transitions, 622 flow [2022-04-18 16:35:32,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 283 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:32,753 INFO L242 Difference]: Finished difference. Result has 286 places, 283 transitions, 586 flow [2022-04-18 16:35:32,754 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=286, PETRI_TRANSITIONS=283} [2022-04-18 16:35:32,756 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -57 predicate places. [2022-04-18 16:35:32,756 INFO L478 AbstractCegarLoop]: Abstraction has has 286 places, 283 transitions, 586 flow [2022-04-18 16:35:32,757 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:32,757 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:32,759 INFO L255 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] [2022-04-18 16:35:32,759 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:35:32,759 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:32,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:32,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1724199408, now seen corresponding path program 1 times [2022-04-18 16:35:32,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:32,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128003168] [2022-04-18 16:35:32,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:32,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:32,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:32,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128003168] [2022-04-18 16:35:32,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128003168] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:32,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:32,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:32,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280763202] [2022-04-18 16:35:32,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:32,799 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:32,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:32,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:32,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:32,801 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-04-18 16:35:32,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 283 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:32,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:32,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-04-18 16:35:32,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:32,878 INFO L129 PetriNetUnfolder]: 83/586 cut-off events. [2022-04-18 16:35:32,878 INFO L130 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-04-18 16:35:32,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 586 events. 83/586 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2048 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 708. Up to 123 conditions per place. [2022-04-18 16:35:32,882 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2022-04-18 16:35:32,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 282 transitions, 620 flow [2022-04-18 16:35:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-04-18 16:35:32,884 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-04-18 16:35:32,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-04-18 16:35:32,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-04-18 16:35:32,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:32,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-04-18 16:35:32,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2022-04-18 16:35:32,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,888 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:32,889 INFO L186 Difference]: Start difference. First operand has 286 places, 283 transitions, 586 flow. Second operand 3 states and 911 transitions. [2022-04-18 16:35:32,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 282 transitions, 620 flow [2022-04-18 16:35:32,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 282 transitions, 619 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:32,893 INFO L242 Difference]: Finished difference. Result has 286 places, 282 transitions, 587 flow [2022-04-18 16:35:32,893 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=583, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=587, PETRI_PLACES=286, PETRI_TRANSITIONS=282} [2022-04-18 16:35:32,894 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -57 predicate places. [2022-04-18 16:35:32,894 INFO L478 AbstractCegarLoop]: Abstraction has has 286 places, 282 transitions, 587 flow [2022-04-18 16:35:32,894 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:32,894 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:32,895 INFO L255 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] [2022-04-18 16:35:32,895 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:35:32,895 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:32,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:32,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1865327449, now seen corresponding path program 1 times [2022-04-18 16:35:32,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:32,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119266004] [2022-04-18 16:35:32,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:32,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:32,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:32,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119266004] [2022-04-18 16:35:32,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119266004] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:32,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:32,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:32,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67326130] [2022-04-18 16:35:32,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:32,982 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:32,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:32,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:32,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:32,983 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 373 [2022-04-18 16:35:32,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 282 transitions, 587 flow. Second operand has 6 states, 6 states have (on average 253.83333333333334) internal successors, (1523), 6 states have internal predecessors, (1523), 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) [2022-04-18 16:35:32,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:32,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 373 [2022-04-18 16:35:32,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:33,230 INFO L129 PetriNetUnfolder]: 527/1312 cut-off events. [2022-04-18 16:35:33,230 INFO L130 PetriNetUnfolder]: For 300/300 co-relation queries the response was YES. [2022-04-18 16:35:33,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2386 conditions, 1312 events. 527/1312 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 6486 event pairs, 284 based on Foata normal form. 0/1067 useless extension candidates. Maximal degree in co-relation 2316. Up to 742 conditions per place. [2022-04-18 16:35:33,240 INFO L132 encePairwiseOnDemand]: 361/373 looper letters, 53 selfloop transitions, 10 changer transitions 0/280 dead transitions. [2022-04-18 16:35:33,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 280 transitions, 709 flow [2022-04-18 16:35:33,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1575 transitions. [2022-04-18 16:35:33,243 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7037533512064343 [2022-04-18 16:35:33,243 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1575 transitions. [2022-04-18 16:35:33,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1575 transitions. [2022-04-18 16:35:33,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:33,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1575 transitions. [2022-04-18 16:35:33,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 262.5) internal successors, (1575), 6 states have internal predecessors, (1575), 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) [2022-04-18 16:35:33,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-04-18 16:35:33,249 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-04-18 16:35:33,249 INFO L186 Difference]: Start difference. First operand has 286 places, 282 transitions, 587 flow. Second operand 6 states and 1575 transitions. [2022-04-18 16:35:33,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 280 transitions, 709 flow [2022-04-18 16:35:33,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 280 transitions, 705 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:33,253 INFO L242 Difference]: Finished difference. Result has 287 places, 280 transitions, 599 flow [2022-04-18 16:35:33,254 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=599, PETRI_PLACES=287, PETRI_TRANSITIONS=280} [2022-04-18 16:35:33,254 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -56 predicate places. [2022-04-18 16:35:33,254 INFO L478 AbstractCegarLoop]: Abstraction has has 287 places, 280 transitions, 599 flow [2022-04-18 16:35:33,255 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 253.83333333333334) internal successors, (1523), 6 states have internal predecessors, (1523), 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) [2022-04-18 16:35:33,255 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:33,255 INFO L255 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] [2022-04-18 16:35:33,255 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:35:33,255 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:33,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:33,256 INFO L85 PathProgramCache]: Analyzing trace with hash 959574918, now seen corresponding path program 1 times [2022-04-18 16:35:33,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:33,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137741687] [2022-04-18 16:35:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:33,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:33,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:33,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137741687] [2022-04-18 16:35:33,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137741687] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:33,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:33,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:33,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547115432] [2022-04-18 16:35:33,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:33,277 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:33,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:33,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:33,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:33,279 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-04-18 16:35:33,279 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 280 transitions, 599 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-04-18 16:35:33,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:33,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-04-18 16:35:33,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:33,361 INFO L129 PetriNetUnfolder]: 83/583 cut-off events. [2022-04-18 16:35:33,361 INFO L130 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-04-18 16:35:33,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 789 conditions, 583 events. 83/583 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2044 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 754. Up to 126 conditions per place. [2022-04-18 16:35:33,365 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 19 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2022-04-18 16:35:33,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 279 transitions, 639 flow [2022-04-18 16:35:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2022-04-18 16:35:33,367 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.80875781948168 [2022-04-18 16:35:33,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 905 transitions. [2022-04-18 16:35:33,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 905 transitions. [2022-04-18 16:35:33,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:33,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 905 transitions. [2022-04-18 16:35:33,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 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) [2022-04-18 16:35:33,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:33,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:33,371 INFO L186 Difference]: Start difference. First operand has 287 places, 280 transitions, 599 flow. Second operand 3 states and 905 transitions. [2022-04-18 16:35:33,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 279 transitions, 639 flow [2022-04-18 16:35:33,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 279 transitions, 619 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-04-18 16:35:33,375 INFO L242 Difference]: Finished difference. Result has 283 places, 279 transitions, 581 flow [2022-04-18 16:35:33,375 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=283, PETRI_TRANSITIONS=279} [2022-04-18 16:35:33,376 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -60 predicate places. [2022-04-18 16:35:33,376 INFO L478 AbstractCegarLoop]: Abstraction has has 283 places, 279 transitions, 581 flow [2022-04-18 16:35:33,376 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-04-18 16:35:33,377 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:33,377 INFO L255 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] [2022-04-18 16:35:33,377 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-04-18 16:35:33,377 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:33,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:33,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1565291863, now seen corresponding path program 1 times [2022-04-18 16:35:33,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:33,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658154584] [2022-04-18 16:35:33,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:33,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:33,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:33,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658154584] [2022-04-18 16:35:33,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658154584] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:33,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:33,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:33,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368611642] [2022-04-18 16:35:33,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:33,399 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:33,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:33,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:33,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:33,400 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-04-18 16:35:33,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 279 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:33,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:33,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-04-18 16:35:33,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:33,469 INFO L129 PetriNetUnfolder]: 83/582 cut-off events. [2022-04-18 16:35:33,469 INFO L130 PetriNetUnfolder]: For 58/68 co-relation queries the response was YES. [2022-04-18 16:35:33,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 776 conditions, 582 events. 83/582 cut-off events. For 58/68 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2035 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 706. Up to 121 conditions per place. [2022-04-18 16:35:33,473 INFO L132 encePairwiseOnDemand]: 371/373 looper letters, 16 selfloop transitions, 1 changer transitions 0/278 dead transitions. [2022-04-18 16:35:33,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 278 transitions, 613 flow [2022-04-18 16:35:33,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:33,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-04-18 16:35:33,475 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-04-18 16:35:33,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-04-18 16:35:33,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-04-18 16:35:33,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:33,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-04-18 16:35:33,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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) [2022-04-18 16:35:33,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:33,479 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:33,479 INFO L186 Difference]: Start difference. First operand has 283 places, 279 transitions, 581 flow. Second operand 3 states and 910 transitions. [2022-04-18 16:35:33,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 278 transitions, 613 flow [2022-04-18 16:35:33,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 278 transitions, 609 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:33,482 INFO L242 Difference]: Finished difference. Result has 282 places, 278 transitions, 577 flow [2022-04-18 16:35:33,483 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=282, PETRI_TRANSITIONS=278} [2022-04-18 16:35:33,483 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -61 predicate places. [2022-04-18 16:35:33,484 INFO L478 AbstractCegarLoop]: Abstraction has has 282 places, 278 transitions, 577 flow [2022-04-18 16:35:33,484 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:33,484 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:33,484 INFO L255 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] [2022-04-18 16:35:33,484 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-04-18 16:35:33,484 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:33,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:33,485 INFO L85 PathProgramCache]: Analyzing trace with hash -188717273, now seen corresponding path program 1 times [2022-04-18 16:35:33,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:33,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526869125] [2022-04-18 16:35:33,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:33,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:33,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:33,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:33,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526869125] [2022-04-18 16:35:33,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526869125] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:33,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:33,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:33,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853157131] [2022-04-18 16:35:33,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:33,510 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:33,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:33,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:33,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:33,511 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 373 [2022-04-18 16:35:33,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 278 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:33,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:33,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 373 [2022-04-18 16:35:33,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:33,577 INFO L129 PetriNetUnfolder]: 83/581 cut-off events. [2022-04-18 16:35:33,578 INFO L130 PetriNetUnfolder]: For 57/67 co-relation queries the response was YES. [2022-04-18 16:35:33,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 581 events. 83/581 cut-off events. For 57/67 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2024 event pairs, 38 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 704. Up to 123 conditions per place. [2022-04-18 16:35:33,600 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 16 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2022-04-18 16:35:33,600 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 277 transitions, 611 flow [2022-04-18 16:35:33,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:33,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:33,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2022-04-18 16:35:33,602 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8141197497765862 [2022-04-18 16:35:33,602 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2022-04-18 16:35:33,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2022-04-18 16:35:33,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:33,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2022-04-18 16:35:33,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2022-04-18 16:35:33,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:33,606 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:33,606 INFO L186 Difference]: Start difference. First operand has 282 places, 278 transitions, 577 flow. Second operand 3 states and 911 transitions. [2022-04-18 16:35:33,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 277 transitions, 611 flow [2022-04-18 16:35:33,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 277 transitions, 610 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:33,609 INFO L242 Difference]: Finished difference. Result has 282 places, 277 transitions, 578 flow [2022-04-18 16:35:33,610 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=282, PETRI_TRANSITIONS=277} [2022-04-18 16:35:33,610 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -61 predicate places. [2022-04-18 16:35:33,610 INFO L478 AbstractCegarLoop]: Abstraction has has 282 places, 277 transitions, 578 flow [2022-04-18 16:35:33,611 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 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) [2022-04-18 16:35:33,611 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:33,611 INFO L255 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] [2022-04-18 16:35:33,611 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-04-18 16:35:33,611 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:33,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:33,612 INFO L85 PathProgramCache]: Analyzing trace with hash -943250028, now seen corresponding path program 1 times [2022-04-18 16:35:33,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:33,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332238569] [2022-04-18 16:35:33,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:33,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:33,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:33,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332238569] [2022-04-18 16:35:33,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332238569] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:33,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:33,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:33,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969234969] [2022-04-18 16:35:33,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:33,638 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:33,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:33,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:33,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:33,639 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 373 [2022-04-18 16:35:33,640 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 277 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2022-04-18 16:35:33,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:33,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 373 [2022-04-18 16:35:33,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:33,725 INFO L129 PetriNetUnfolder]: 131/769 cut-off events. [2022-04-18 16:35:33,726 INFO L130 PetriNetUnfolder]: For 93/116 co-relation queries the response was YES. [2022-04-18 16:35:33,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1094 conditions, 769 events. 131/769 cut-off events. For 93/116 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3616 event pairs, 77 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 1023. Up to 204 conditions per place. [2022-04-18 16:35:33,731 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 22 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2022-04-18 16:35:33,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 276 transitions, 624 flow [2022-04-18 16:35:33,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:33,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:33,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 899 transitions. [2022-04-18 16:35:33,733 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.803395889186774 [2022-04-18 16:35:33,733 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 899 transitions. [2022-04-18 16:35:33,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 899 transitions. [2022-04-18 16:35:33,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:33,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 899 transitions. [2022-04-18 16:35:33,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 299.6666666666667) internal successors, (899), 3 states have internal predecessors, (899), 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) [2022-04-18 16:35:33,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:33,736 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:33,736 INFO L186 Difference]: Start difference. First operand has 282 places, 277 transitions, 578 flow. Second operand 3 states and 899 transitions. [2022-04-18 16:35:33,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 276 transitions, 624 flow [2022-04-18 16:35:33,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 276 transitions, 620 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:33,740 INFO L242 Difference]: Finished difference. Result has 281 places, 276 transitions, 576 flow [2022-04-18 16:35:33,740 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=281, PETRI_TRANSITIONS=276} [2022-04-18 16:35:33,741 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -62 predicate places. [2022-04-18 16:35:33,741 INFO L478 AbstractCegarLoop]: Abstraction has has 281 places, 276 transitions, 576 flow [2022-04-18 16:35:33,741 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 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) [2022-04-18 16:35:33,741 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:33,741 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:33,741 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-04-18 16:35:33,742 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:33,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:33,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1605776047, now seen corresponding path program 1 times [2022-04-18 16:35:33,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:33,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549145172] [2022-04-18 16:35:33,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:33,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:33,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:33,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549145172] [2022-04-18 16:35:33,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549145172] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:33,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:33,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:33,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8939438] [2022-04-18 16:35:33,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:33,767 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:33,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:33,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:33,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:33,769 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-04-18 16:35:33,769 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 276 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-04-18 16:35:33,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:33,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-04-18 16:35:33,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:33,855 INFO L129 PetriNetUnfolder]: 112/697 cut-off events. [2022-04-18 16:35:33,856 INFO L130 PetriNetUnfolder]: For 82/101 co-relation queries the response was YES. [2022-04-18 16:35:33,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 973 conditions, 697 events. 112/697 cut-off events. For 82/101 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3047 event pairs, 64 based on Foata normal form. 0/601 useless extension candidates. Maximal degree in co-relation 903. Up to 170 conditions per place. [2022-04-18 16:35:33,859 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 18 selfloop transitions, 1 changer transitions 0/274 dead transitions. [2022-04-18 16:35:33,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 274 transitions, 610 flow [2022-04-18 16:35:33,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2022-04-18 16:35:33,861 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8078641644325291 [2022-04-18 16:35:33,861 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 904 transitions. [2022-04-18 16:35:33,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 904 transitions. [2022-04-18 16:35:33,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:33,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 904 transitions. [2022-04-18 16:35:33,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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) [2022-04-18 16:35:33,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:33,864 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:33,864 INFO L186 Difference]: Start difference. First operand has 281 places, 276 transitions, 576 flow. Second operand 3 states and 904 transitions. [2022-04-18 16:35:33,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 274 transitions, 610 flow [2022-04-18 16:35:33,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 274 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:33,867 INFO L242 Difference]: Finished difference. Result has 279 places, 274 transitions, 570 flow [2022-04-18 16:35:33,868 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=279, PETRI_TRANSITIONS=274} [2022-04-18 16:35:33,868 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -64 predicate places. [2022-04-18 16:35:33,868 INFO L478 AbstractCegarLoop]: Abstraction has has 279 places, 274 transitions, 570 flow [2022-04-18 16:35:33,869 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 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) [2022-04-18 16:35:33,869 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:33,869 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:33,869 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-04-18 16:35:33,869 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:33,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:33,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1664933456, now seen corresponding path program 1 times [2022-04-18 16:35:33,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:33,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843200575] [2022-04-18 16:35:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:33,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:33,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:33,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843200575] [2022-04-18 16:35:33,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843200575] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:33,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:33,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:33,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014266308] [2022-04-18 16:35:33,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:33,903 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:33,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:33,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:33,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:33,904 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-04-18 16:35:33,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 274 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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) [2022-04-18 16:35:33,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:33,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-04-18 16:35:33,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:33,992 INFO L129 PetriNetUnfolder]: 208/687 cut-off events. [2022-04-18 16:35:33,992 INFO L130 PetriNetUnfolder]: For 107/120 co-relation queries the response was YES. [2022-04-18 16:35:33,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 687 events. 208/687 cut-off events. For 107/120 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2586 event pairs, 83 based on Foata normal form. 1/622 useless extension candidates. Maximal degree in co-relation 1044. Up to 228 conditions per place. [2022-04-18 16:35:33,997 INFO L132 encePairwiseOnDemand]: 368/373 looper letters, 23 selfloop transitions, 3 changer transitions 0/278 dead transitions. [2022-04-18 16:35:33,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 278 transitions, 636 flow [2022-04-18 16:35:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:33,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-04-18 16:35:33,999 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-04-18 16:35:33,999 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-04-18 16:35:33,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-04-18 16:35:33,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:33,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-04-18 16:35:34,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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) [2022-04-18 16:35:34,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:34,002 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:34,002 INFO L186 Difference]: Start difference. First operand has 279 places, 274 transitions, 570 flow. Second operand 3 states and 910 transitions. [2022-04-18 16:35:34,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 278 transitions, 636 flow [2022-04-18 16:35:34,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 278 transitions, 635 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:35:34,006 INFO L242 Difference]: Finished difference. Result has 278 places, 272 transitions, 571 flow [2022-04-18 16:35:34,006 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=571, PETRI_PLACES=278, PETRI_TRANSITIONS=272} [2022-04-18 16:35:34,006 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -65 predicate places. [2022-04-18 16:35:34,007 INFO L478 AbstractCegarLoop]: Abstraction has has 278 places, 272 transitions, 571 flow [2022-04-18 16:35:34,007 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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) [2022-04-18 16:35:34,007 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:34,007 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:34,007 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-04-18 16:35:34,008 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:34,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:34,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1528446381, now seen corresponding path program 1 times [2022-04-18 16:35:34,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:34,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563231600] [2022-04-18 16:35:34,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:34,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:34,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:34,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:34,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563231600] [2022-04-18 16:35:34,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563231600] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:34,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:34,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:34,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698166571] [2022-04-18 16:35:34,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:34,043 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:34,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:34,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:34,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:34,044 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 373 [2022-04-18 16:35:34,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 272 transitions, 571 flow. Second operand has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2022-04-18 16:35:34,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:34,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 373 [2022-04-18 16:35:34,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:34,152 INFO L129 PetriNetUnfolder]: 233/701 cut-off events. [2022-04-18 16:35:34,153 INFO L130 PetriNetUnfolder]: For 118/132 co-relation queries the response was YES. [2022-04-18 16:35:34,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1198 conditions, 701 events. 233/701 cut-off events. For 118/132 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2645 event pairs, 98 based on Foata normal form. 0/637 useless extension candidates. Maximal degree in co-relation 1128. Up to 266 conditions per place. [2022-04-18 16:35:34,157 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 25 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2022-04-18 16:35:34,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 277 transitions, 641 flow [2022-04-18 16:35:34,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2022-04-18 16:35:34,159 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8078641644325291 [2022-04-18 16:35:34,160 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 904 transitions. [2022-04-18 16:35:34,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 904 transitions. [2022-04-18 16:35:34,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:34,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 904 transitions. [2022-04-18 16:35:34,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 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) [2022-04-18 16:35:34,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:34,163 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:34,163 INFO L186 Difference]: Start difference. First operand has 278 places, 272 transitions, 571 flow. Second operand 3 states and 904 transitions. [2022-04-18 16:35:34,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 277 transitions, 641 flow [2022-04-18 16:35:34,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 277 transitions, 635 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:34,167 INFO L242 Difference]: Finished difference. Result has 277 places, 271 transitions, 567 flow [2022-04-18 16:35:34,167 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=567, PETRI_PLACES=277, PETRI_TRANSITIONS=271} [2022-04-18 16:35:34,167 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -66 predicate places. [2022-04-18 16:35:34,167 INFO L478 AbstractCegarLoop]: Abstraction has has 277 places, 271 transitions, 567 flow [2022-04-18 16:35:34,168 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2022-04-18 16:35:34,168 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:34,168 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:34,168 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-04-18 16:35:34,168 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:34,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:34,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1868600399, now seen corresponding path program 1 times [2022-04-18 16:35:34,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:34,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544795336] [2022-04-18 16:35:34,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:34,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:34,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:34,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544795336] [2022-04-18 16:35:34,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544795336] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:34,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:34,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:34,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679601304] [2022-04-18 16:35:34,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:34,202 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:34,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:34,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:34,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:34,204 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 373 [2022-04-18 16:35:34,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 271 transitions, 567 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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) [2022-04-18 16:35:34,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:34,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 373 [2022-04-18 16:35:34,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:34,317 INFO L129 PetriNetUnfolder]: 223/845 cut-off events. [2022-04-18 16:35:34,317 INFO L130 PetriNetUnfolder]: For 117/132 co-relation queries the response was YES. [2022-04-18 16:35:34,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 845 events. 223/845 cut-off events. For 117/132 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3904 event pairs, 92 based on Foata normal form. 2/751 useless extension candidates. Maximal degree in co-relation 1233. Up to 243 conditions per place. [2022-04-18 16:35:34,322 INFO L132 encePairwiseOnDemand]: 368/373 looper letters, 22 selfloop transitions, 2 changer transitions 5/276 dead transitions. [2022-04-18 16:35:34,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 276 transitions, 635 flow [2022-04-18 16:35:34,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:34,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:34,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2022-04-18 16:35:34,324 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8132260947274352 [2022-04-18 16:35:34,324 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 910 transitions. [2022-04-18 16:35:34,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 910 transitions. [2022-04-18 16:35:34,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:34,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 910 transitions. [2022-04-18 16:35:34,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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) [2022-04-18 16:35:34,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:34,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:34,328 INFO L186 Difference]: Start difference. First operand has 277 places, 271 transitions, 567 flow. Second operand 3 states and 910 transitions. [2022-04-18 16:35:34,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 276 transitions, 635 flow [2022-04-18 16:35:34,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 276 transitions, 631 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:34,332 INFO L242 Difference]: Finished difference. Result has 275 places, 264 transitions, 552 flow [2022-04-18 16:35:34,332 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=275, PETRI_TRANSITIONS=264} [2022-04-18 16:35:34,332 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -68 predicate places. [2022-04-18 16:35:34,332 INFO L478 AbstractCegarLoop]: Abstraction has has 275 places, 264 transitions, 552 flow [2022-04-18 16:35:34,333 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 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) [2022-04-18 16:35:34,333 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:34,333 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:34,333 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-04-18 16:35:34,333 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:34,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:34,334 INFO L85 PathProgramCache]: Analyzing trace with hash -164808574, now seen corresponding path program 1 times [2022-04-18 16:35:34,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:34,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067406948] [2022-04-18 16:35:34,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:34,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:34,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:34,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067406948] [2022-04-18 16:35:34,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067406948] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:34,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:34,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:34,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722674006] [2022-04-18 16:35:34,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:34,405 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:34,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:34,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:34,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:34,407 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 373 [2022-04-18 16:35:34,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 264 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 270.0) internal successors, (1620), 6 states have internal predecessors, (1620), 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) [2022-04-18 16:35:34,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:34,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 373 [2022-04-18 16:35:34,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:34,749 INFO L129 PetriNetUnfolder]: 527/1259 cut-off events. [2022-04-18 16:35:34,750 INFO L130 PetriNetUnfolder]: For 300/300 co-relation queries the response was YES. [2022-04-18 16:35:34,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2333 conditions, 1259 events. 527/1259 cut-off events. For 300/300 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6007 event pairs, 63 based on Foata normal form. 0/1135 useless extension candidates. Maximal degree in co-relation 2261. Up to 310 conditions per place. [2022-04-18 16:35:34,758 INFO L132 encePairwiseOnDemand]: 368/373 looper letters, 67 selfloop transitions, 4 changer transitions 0/291 dead transitions. [2022-04-18 16:35:34,758 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 291 transitions, 780 flow [2022-04-18 16:35:34,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:34,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1670 transitions. [2022-04-18 16:35:34,761 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7462019660411081 [2022-04-18 16:35:34,761 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1670 transitions. [2022-04-18 16:35:34,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1670 transitions. [2022-04-18 16:35:34,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:34,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1670 transitions. [2022-04-18 16:35:34,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 278.3333333333333) internal successors, (1670), 6 states have internal predecessors, (1670), 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) [2022-04-18 16:35:34,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-04-18 16:35:34,766 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-04-18 16:35:34,766 INFO L186 Difference]: Start difference. First operand has 275 places, 264 transitions, 552 flow. Second operand 6 states and 1670 transitions. [2022-04-18 16:35:34,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 291 transitions, 780 flow [2022-04-18 16:35:34,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 291 transitions, 776 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:34,770 INFO L242 Difference]: Finished difference. Result has 272 places, 263 transitions, 554 flow [2022-04-18 16:35:34,770 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=554, PETRI_PLACES=272, PETRI_TRANSITIONS=263} [2022-04-18 16:35:34,770 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -71 predicate places. [2022-04-18 16:35:34,771 INFO L478 AbstractCegarLoop]: Abstraction has has 272 places, 263 transitions, 554 flow [2022-04-18 16:35:34,771 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.0) internal successors, (1620), 6 states have internal predecessors, (1620), 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) [2022-04-18 16:35:34,771 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:34,771 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:34,771 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-04-18 16:35:34,772 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:34,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:34,772 INFO L85 PathProgramCache]: Analyzing trace with hash -331511854, now seen corresponding path program 1 times [2022-04-18 16:35:34,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:34,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094786931] [2022-04-18 16:35:34,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:34,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:34,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:34,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094786931] [2022-04-18 16:35:34,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094786931] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:34,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:34,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:35:34,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175289309] [2022-04-18 16:35:34,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:34,808 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:35:34,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:34,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:35:34,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:35:34,810 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 373 [2022-04-18 16:35:34,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 263 transitions, 554 flow. Second operand has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2022-04-18 16:35:34,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:34,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 373 [2022-04-18 16:35:34,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:34,914 INFO L129 PetriNetUnfolder]: 251/854 cut-off events. [2022-04-18 16:35:34,914 INFO L130 PetriNetUnfolder]: For 128/144 co-relation queries the response was YES. [2022-04-18 16:35:34,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1341 conditions, 854 events. 251/854 cut-off events. For 128/144 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3949 event pairs, 110 based on Foata normal form. 0/764 useless extension candidates. Maximal degree in co-relation 1271. Up to 283 conditions per place. [2022-04-18 16:35:34,919 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 23 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2022-04-18 16:35:34,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 269 transitions, 622 flow [2022-04-18 16:35:34,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:35:34,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:35:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2022-04-18 16:35:34,921 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8060768543342269 [2022-04-18 16:35:34,921 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 902 transitions. [2022-04-18 16:35:34,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 902 transitions. [2022-04-18 16:35:34,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:34,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 902 transitions. [2022-04-18 16:35:34,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.6666666666667) internal successors, (902), 3 states have internal predecessors, (902), 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) [2022-04-18 16:35:34,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:34,924 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 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) [2022-04-18 16:35:34,924 INFO L186 Difference]: Start difference. First operand has 272 places, 263 transitions, 554 flow. Second operand 3 states and 902 transitions. [2022-04-18 16:35:34,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 269 transitions, 622 flow [2022-04-18 16:35:34,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 269 transitions, 615 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:34,928 INFO L242 Difference]: Finished difference. Result has 269 places, 262 transitions, 549 flow [2022-04-18 16:35:34,928 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=549, PETRI_PLACES=269, PETRI_TRANSITIONS=262} [2022-04-18 16:35:34,928 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -74 predicate places. [2022-04-18 16:35:34,928 INFO L478 AbstractCegarLoop]: Abstraction has has 269 places, 262 transitions, 549 flow [2022-04-18 16:35:34,929 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 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) [2022-04-18 16:35:34,929 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:34,929 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:34,929 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-04-18 16:35:34,929 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:34,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:34,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1639390234, now seen corresponding path program 1 times [2022-04-18 16:35:34,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:34,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764622561] [2022-04-18 16:35:34,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:34,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:35,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:35,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764622561] [2022-04-18 16:35:35,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764622561] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:35,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:35,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:35,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607297269] [2022-04-18 16:35:35,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:35,016 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:35,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:35,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:35,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:35,018 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 373 [2022-04-18 16:35:35,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 262 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 271.1666666666667) internal successors, (1627), 6 states have internal predecessors, (1627), 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) [2022-04-18 16:35:35,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:35,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 373 [2022-04-18 16:35:35,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:35,245 INFO L129 PetriNetUnfolder]: 391/1095 cut-off events. [2022-04-18 16:35:35,246 INFO L130 PetriNetUnfolder]: For 270/270 co-relation queries the response was YES. [2022-04-18 16:35:35,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2009 conditions, 1095 events. 391/1095 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5431 event pairs, 211 based on Foata normal form. 0/980 useless extension candidates. Maximal degree in co-relation 1937. Up to 462 conditions per place. [2022-04-18 16:35:35,252 INFO L132 encePairwiseOnDemand]: 368/373 looper letters, 57 selfloop transitions, 4 changer transitions 1/281 dead transitions. [2022-04-18 16:35:35,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 281 transitions, 743 flow [2022-04-18 16:35:35,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:35,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:35,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1661 transitions. [2022-04-18 16:35:35,254 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7421805183199285 [2022-04-18 16:35:35,254 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1661 transitions. [2022-04-18 16:35:35,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1661 transitions. [2022-04-18 16:35:35,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:35,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1661 transitions. [2022-04-18 16:35:35,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.8333333333333) internal successors, (1661), 6 states have internal predecessors, (1661), 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) [2022-04-18 16:35:35,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-04-18 16:35:35,260 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-04-18 16:35:35,260 INFO L186 Difference]: Start difference. First operand has 269 places, 262 transitions, 549 flow. Second operand 6 states and 1661 transitions. [2022-04-18 16:35:35,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 281 transitions, 743 flow [2022-04-18 16:35:35,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 281 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-04-18 16:35:35,263 INFO L242 Difference]: Finished difference. Result has 271 places, 260 transitions, 549 flow [2022-04-18 16:35:35,263 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=543, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=271, PETRI_TRANSITIONS=260} [2022-04-18 16:35:35,264 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -72 predicate places. [2022-04-18 16:35:35,264 INFO L478 AbstractCegarLoop]: Abstraction has has 271 places, 260 transitions, 549 flow [2022-04-18 16:35:35,264 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.1666666666667) internal successors, (1627), 6 states have internal predecessors, (1627), 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) [2022-04-18 16:35:35,264 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:35:35,265 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:35,265 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-04-18 16:35:35,265 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2022-04-18 16:35:35,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:35:35,265 INFO L85 PathProgramCache]: Analyzing trace with hash 127855384, now seen corresponding path program 1 times [2022-04-18 16:35:35,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:35:35,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81474110] [2022-04-18 16:35:35,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:35:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:35:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:35:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:35:35,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:35:35,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81474110] [2022-04-18 16:35:35,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81474110] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:35:35,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:35:35,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:35:35,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103028265] [2022-04-18 16:35:35,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:35:35,342 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:35:35,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:35:35,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:35:35,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:35:35,344 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 373 [2022-04-18 16:35:35,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 260 transitions, 549 flow. Second operand has 6 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 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) [2022-04-18 16:35:35,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:35:35,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 373 [2022-04-18 16:35:35,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:35:35,538 INFO L129 PetriNetUnfolder]: 474/1223 cut-off events. [2022-04-18 16:35:35,538 INFO L130 PetriNetUnfolder]: For 270/270 co-relation queries the response was YES. [2022-04-18 16:35:35,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2212 conditions, 1223 events. 474/1223 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6065 event pairs, 251 based on Foata normal form. 2/1116 useless extension candidates. Maximal degree in co-relation 2140. Up to 645 conditions per place. [2022-04-18 16:35:35,542 INFO L132 encePairwiseOnDemand]: 368/373 looper letters, 0 selfloop transitions, 0 changer transitions 267/267 dead transitions. [2022-04-18 16:35:35,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 267 transitions, 675 flow [2022-04-18 16:35:35,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:35:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-04-18 16:35:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1651 transitions. [2022-04-18 16:35:35,545 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7377122430741734 [2022-04-18 16:35:35,545 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1651 transitions. [2022-04-18 16:35:35,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1651 transitions. [2022-04-18 16:35:35,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:35:35,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1651 transitions. [2022-04-18 16:35:35,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 275.1666666666667) internal successors, (1651), 6 states have internal predecessors, (1651), 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) [2022-04-18 16:35:35,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-04-18 16:35:35,550 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 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) [2022-04-18 16:35:35,550 INFO L186 Difference]: Start difference. First operand has 271 places, 260 transitions, 549 flow. Second operand 6 states and 1651 transitions. [2022-04-18 16:35:35,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 267 transitions, 675 flow [2022-04-18 16:35:35,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 267 transitions, 668 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:35:35,553 INFO L242 Difference]: Finished difference. Result has 270 places, 0 transitions, 0 flow [2022-04-18 16:35:35,553 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=270, PETRI_TRANSITIONS=0} [2022-04-18 16:35:35,553 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -73 predicate places. [2022-04-18 16:35:35,554 INFO L478 AbstractCegarLoop]: Abstraction has has 270 places, 0 transitions, 0 flow [2022-04-18 16:35:35,554 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 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) [2022-04-18 16:35:35,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (121 of 122 remaining) [2022-04-18 16:35:35,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (120 of 122 remaining) [2022-04-18 16:35:35,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (119 of 122 remaining) [2022-04-18 16:35:35,556 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (118 of 122 remaining) [2022-04-18 16:35:35,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (117 of 122 remaining) [2022-04-18 16:35:35,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (116 of 122 remaining) [2022-04-18 16:35:35,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (115 of 122 remaining) [2022-04-18 16:35:35,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (114 of 122 remaining) [2022-04-18 16:35:35,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (113 of 122 remaining) [2022-04-18 16:35:35,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (112 of 122 remaining) [2022-04-18 16:35:35,557 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (111 of 122 remaining) [2022-04-18 16:35:35,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (110 of 122 remaining) [2022-04-18 16:35:35,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (109 of 122 remaining) [2022-04-18 16:35:35,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (108 of 122 remaining) [2022-04-18 16:35:35,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (107 of 122 remaining) [2022-04-18 16:35:35,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (106 of 122 remaining) [2022-04-18 16:35:35,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (105 of 122 remaining) [2022-04-18 16:35:35,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (104 of 122 remaining) [2022-04-18 16:35:35,558 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (103 of 122 remaining) [2022-04-18 16:35:35,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (102 of 122 remaining) [2022-04-18 16:35:35,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (101 of 122 remaining) [2022-04-18 16:35:35,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (100 of 122 remaining) [2022-04-18 16:35:35,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (99 of 122 remaining) [2022-04-18 16:35:35,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (98 of 122 remaining) [2022-04-18 16:35:35,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (97 of 122 remaining) [2022-04-18 16:35:35,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (96 of 122 remaining) [2022-04-18 16:35:35,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (95 of 122 remaining) [2022-04-18 16:35:35,559 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (94 of 122 remaining) [2022-04-18 16:35:35,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (93 of 122 remaining) [2022-04-18 16:35:35,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 122 remaining) [2022-04-18 16:35:35,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (91 of 122 remaining) [2022-04-18 16:35:35,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (90 of 122 remaining) [2022-04-18 16:35:35,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (89 of 122 remaining) [2022-04-18 16:35:35,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 122 remaining) [2022-04-18 16:35:35,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 122 remaining) [2022-04-18 16:35:35,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (86 of 122 remaining) [2022-04-18 16:35:35,560 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (85 of 122 remaining) [2022-04-18 16:35:35,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (84 of 122 remaining) [2022-04-18 16:35:35,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (83 of 122 remaining) [2022-04-18 16:35:35,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (82 of 122 remaining) [2022-04-18 16:35:35,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (81 of 122 remaining) [2022-04-18 16:35:35,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (80 of 122 remaining) [2022-04-18 16:35:35,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (79 of 122 remaining) [2022-04-18 16:35:35,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (78 of 122 remaining) [2022-04-18 16:35:35,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (77 of 122 remaining) [2022-04-18 16:35:35,561 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (76 of 122 remaining) [2022-04-18 16:35:35,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (75 of 122 remaining) [2022-04-18 16:35:35,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (74 of 122 remaining) [2022-04-18 16:35:35,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (73 of 122 remaining) [2022-04-18 16:35:35,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 122 remaining) [2022-04-18 16:35:35,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 122 remaining) [2022-04-18 16:35:35,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 122 remaining) [2022-04-18 16:35:35,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 122 remaining) [2022-04-18 16:35:35,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 122 remaining) [2022-04-18 16:35:35,562 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 122 remaining) [2022-04-18 16:35:35,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 122 remaining) [2022-04-18 16:35:35,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 122 remaining) [2022-04-18 16:35:35,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (64 of 122 remaining) [2022-04-18 16:35:35,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (63 of 122 remaining) [2022-04-18 16:35:35,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (62 of 122 remaining) [2022-04-18 16:35:35,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (61 of 122 remaining) [2022-04-18 16:35:35,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (60 of 122 remaining) [2022-04-18 16:35:35,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (59 of 122 remaining) [2022-04-18 16:35:35,563 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (58 of 122 remaining) [2022-04-18 16:35:35,564 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (57 of 122 remaining) [2022-04-18 16:35:35,564 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (56 of 122 remaining) [2022-04-18 16:35:35,564 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (55 of 122 remaining) [2022-04-18 16:35:35,564 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (54 of 122 remaining) [2022-04-18 16:35:35,564 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (53 of 122 remaining) [2022-04-18 16:35:35,564 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (52 of 122 remaining) [2022-04-18 16:35:35,564 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 122 remaining) [2022-04-18 16:35:35,564 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 122 remaining) [2022-04-18 16:35:35,564 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 122 remaining) [2022-04-18 16:35:35,565 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 122 remaining) [2022-04-18 16:35:35,565 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 122 remaining) [2022-04-18 16:35:35,565 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 122 remaining) [2022-04-18 16:35:35,565 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (45 of 122 remaining) [2022-04-18 16:35:35,565 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (44 of 122 remaining) [2022-04-18 16:35:35,565 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (43 of 122 remaining) [2022-04-18 16:35:35,565 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (42 of 122 remaining) [2022-04-18 16:35:35,565 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (41 of 122 remaining) [2022-04-18 16:35:35,565 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (40 of 122 remaining) [2022-04-18 16:35:35,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (39 of 122 remaining) [2022-04-18 16:35:35,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (38 of 122 remaining) [2022-04-18 16:35:35,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (37 of 122 remaining) [2022-04-18 16:35:35,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (36 of 122 remaining) [2022-04-18 16:35:35,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (35 of 122 remaining) [2022-04-18 16:35:35,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (34 of 122 remaining) [2022-04-18 16:35:35,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (33 of 122 remaining) [2022-04-18 16:35:35,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (32 of 122 remaining) [2022-04-18 16:35:35,566 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 122 remaining) [2022-04-18 16:35:35,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 122 remaining) [2022-04-18 16:35:35,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 122 remaining) [2022-04-18 16:35:35,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 122 remaining) [2022-04-18 16:35:35,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (27 of 122 remaining) [2022-04-18 16:35:35,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 122 remaining) [2022-04-18 16:35:35,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (25 of 122 remaining) [2022-04-18 16:35:35,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (24 of 122 remaining) [2022-04-18 16:35:35,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (23 of 122 remaining) [2022-04-18 16:35:35,567 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (22 of 122 remaining) [2022-04-18 16:35:35,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 122 remaining) [2022-04-18 16:35:35,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (20 of 122 remaining) [2022-04-18 16:35:35,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (19 of 122 remaining) [2022-04-18 16:35:35,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (18 of 122 remaining) [2022-04-18 16:35:35,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (17 of 122 remaining) [2022-04-18 16:35:35,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (16 of 122 remaining) [2022-04-18 16:35:35,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (15 of 122 remaining) [2022-04-18 16:35:35,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 122 remaining) [2022-04-18 16:35:35,568 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (13 of 122 remaining) [2022-04-18 16:35:35,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (12 of 122 remaining) [2022-04-18 16:35:35,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 122 remaining) [2022-04-18 16:35:35,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 122 remaining) [2022-04-18 16:35:35,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 122 remaining) [2022-04-18 16:35:35,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 122 remaining) [2022-04-18 16:35:35,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 122 remaining) [2022-04-18 16:35:35,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 122 remaining) [2022-04-18 16:35:35,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 122 remaining) [2022-04-18 16:35:35,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 122 remaining) [2022-04-18 16:35:35,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 122 remaining) [2022-04-18 16:35:35,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 122 remaining) [2022-04-18 16:35:35,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 122 remaining) [2022-04-18 16:35:35,570 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 122 remaining) [2022-04-18 16:35:35,570 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-04-18 16:35:35,573 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:35:35,575 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:35:35,576 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:35:35,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:35:35 BasicIcfg [2022-04-18 16:35:35,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:35:35,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:35:35,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:35:35,578 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:35:35,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:35:30" (3/4) ... [2022-04-18 16:35:35,580 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:35:35,583 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 16:35:35,583 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 16:35:35,583 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 16:35:35,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-04-18 16:35:35,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:35:35,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:35:35,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:35:35,613 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:35:35,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:35:35,613 INFO L158 Benchmark]: Toolchain (without parser) took 6230.12ms. Allocated memory was 109.1MB in the beginning and 343.9MB in the end (delta: 234.9MB). Free memory was 79.1MB in the beginning and 208.5MB in the end (delta: -129.5MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2022-04-18 16:35:35,613 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 109.1MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:35:35,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.90ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 81.1MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:35:35,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.41ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 77.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:35,614 INFO L158 Benchmark]: Boogie Preprocessor took 30.33ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 74.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:35:35,614 INFO L158 Benchmark]: RCFGBuilder took 1011.69ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 74.5MB in the beginning and 107.6MB in the end (delta: -33.2MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-04-18 16:35:35,615 INFO L158 Benchmark]: TraceAbstraction took 4801.65ms. Allocated memory was 140.5MB in the beginning and 343.9MB in the end (delta: 203.4MB). Free memory was 107.1MB in the beginning and 213.8MB in the end (delta: -106.7MB). Peak memory consumption was 209.4MB. Max. memory is 16.1GB. [2022-04-18 16:35:35,615 INFO L158 Benchmark]: Witness Printer took 34.84ms. Allocated memory is still 343.9MB. Free memory was 213.8MB in the beginning and 208.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:35:35,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 109.1MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.90ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 81.1MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.41ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 77.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.33ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 74.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1011.69ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 74.5MB in the beginning and 107.6MB in the end (delta: -33.2MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4801.65ms. Allocated memory was 140.5MB in the beginning and 343.9MB in the end (delta: 203.4MB). Free memory was 107.1MB in the beginning and 213.8MB in the end (delta: -106.7MB). Peak memory consumption was 209.4MB. Max. memory is 16.1GB. * Witness Printer took 34.84ms. Allocated memory is still 343.9MB. Free memory was 213.8MB in the beginning and 208.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 47]: 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: 55]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 51]: 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: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: 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: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: 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: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 449 locations, 122 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: 4.7s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 171 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 894 IncrementalHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 194 mSDtfsCounter, 894 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=718occurred in iteration=0, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 2424 NumberOfCodeBlocks, 2424 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2402 ConstructedInterpolants, 0 QuantifiedInterpolants, 2796 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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 70 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:35:35,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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