./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_42-trylock_2mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_42-trylock_2mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8 --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 29686c593874684b7702dd35cbbbd25416d0d0dde1b2c7e324de66da32235cfd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:53:56,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:53:56,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:53:56,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:53:56,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:53:56,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:53:56,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:53:56,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:53:56,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:53:56,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:53:56,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:53:56,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:53:56,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:53:56,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:53:56,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:53:56,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:53:56,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:53:56,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:53:56,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:53:56,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:53:56,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:53:56,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:53:56,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:53:56,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:53:56,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:53:56,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:53:56,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:53:56,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:53:56,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:53:56,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:53:56,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:53:56,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:53:56,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:53:56,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:53:56,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:53:56,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:53:56,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:53:56,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:53:56,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:53:56,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:53:56,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:53:56,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:53:56,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:53:56,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:53:56,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:53:56,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:53:56,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:53:56,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:53:56,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:53:56,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:53:56,483 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:53:56,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:53:56,485 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:53:56,485 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:53:56,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:53:56,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:53:56,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:53:56,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:53:56,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:53:56,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:53:56,487 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:53:56,487 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:53:56,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:53:56,487 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:53:56,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:53:56,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:53:56,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:53:56,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:53:56,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:53:56,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:53:56,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:53:56,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:53:56,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:53:56,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:53:56,492 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:53:56,492 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:53:56,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:53:56,493 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29686c593874684b7702dd35cbbbd25416d0d0dde1b2c7e324de66da32235cfd [2022-11-16 11:53:56,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:53:56,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:53:56,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:53:56,841 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:53:56,842 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:53:56,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/04-mutex_42-trylock_2mutex.i [2022-11-16 11:53:56,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/data/53219f58e/e3d9147cd89c4f08922c23a942557922/FLAGadd743fcf [2022-11-16 11:53:57,375 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:53:57,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/sv-benchmarks/c/goblint-regression/04-mutex_42-trylock_2mutex.i [2022-11-16 11:53:57,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/data/53219f58e/e3d9147cd89c4f08922c23a942557922/FLAGadd743fcf [2022-11-16 11:53:57,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/data/53219f58e/e3d9147cd89c4f08922c23a942557922 [2022-11-16 11:53:57,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:53:57,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:53:57,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:53:57,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:53:57,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:53:57,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:53:57" (1/1) ... [2022-11-16 11:53:57,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da98995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:57, skipping insertion in model container [2022-11-16 11:53:57,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:53:57" (1/1) ... [2022-11-16 11:53:57,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:53:57,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:53:58,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:53:58,250 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:53:58,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:53:58,336 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:53:58,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58 WrapperNode [2022-11-16 11:53:58,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:53:58,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:53:58,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:53:58,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:53:58,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,413 INFO L138 Inliner]: procedures = 163, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-11-16 11:53:58,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:53:58,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:53:58,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:53:58,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:53:58,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,462 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:53:58,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:53:58,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:53:58,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:53:58,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (1/1) ... [2022-11-16 11:53:58,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:53:58,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:53:58,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:53:58,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:53:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:53:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:53:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:53:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:53:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:53:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 11:53:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 11:53:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:53:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2022-11-16 11:53:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:53:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:53:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:53:58,576 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:53:58,802 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:53:58,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:53:59,095 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:53:59,102 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:53:59,103 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:53:59,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:53:59 BoogieIcfgContainer [2022-11-16 11:53:59,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:53:59,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:53:59,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:53:59,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:53:59,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:53:57" (1/3) ... [2022-11-16 11:53:59,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b3c899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:53:59, skipping insertion in model container [2022-11-16 11:53:59,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:53:58" (2/3) ... [2022-11-16 11:53:59,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b3c899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:53:59, skipping insertion in model container [2022-11-16 11:53:59,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:53:59" (3/3) ... [2022-11-16 11:53:59,114 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_42-trylock_2mutex.i [2022-11-16 11:53:59,123 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:53:59,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:53:59,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-16 11:53:59,135 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:53:59,188 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 11:53:59,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 100 transitions, 208 flow [2022-11-16 11:53:59,272 INFO L130 PetriNetUnfolder]: 2/99 cut-off events. [2022-11-16 11:53:59,272 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:53:59,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 99 events. 2/99 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2022-11-16 11:53:59,281 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 100 transitions, 208 flow [2022-11-16 11:53:59,285 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 91 transitions, 185 flow [2022-11-16 11:53:59,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:53:59,306 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4930107a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:53:59,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-16 11:53:59,319 INFO L130 PetriNetUnfolder]: 0/37 cut-off events. [2022-11-16 11:53:59,319 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:53:59,320 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:53:59,320 INFO L209 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] [2022-11-16 11:53:59,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-16 11:53:59,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:53:59,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1068026487, now seen corresponding path program 1 times [2022-11-16 11:53:59,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:53:59,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147336306] [2022-11-16 11:53:59,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:53:59,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:53:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:53:59,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:53:59,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147336306] [2022-11-16 11:53:59,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147336306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:53:59,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:53:59,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:53:59,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339897992] [2022-11-16 11:53:59,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:53:59,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:53:59,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:53:59,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:53:59,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:53:59,660 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 100 [2022-11-16 11:53:59,668 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 91 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:59,668 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:53:59,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 100 [2022-11-16 11:53:59,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:53:59,813 INFO L130 PetriNetUnfolder]: 22/212 cut-off events. [2022-11-16 11:53:59,813 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:53:59,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 212 events. 22/212 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 744 event pairs, 11 based on Foata normal form. 6/186 useless extension candidates. Maximal degree in co-relation 236. Up to 40 conditions per place. [2022-11-16 11:53:59,819 INFO L137 encePairwiseOnDemand]: 94/100 looper letters, 11 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2022-11-16 11:53:59,819 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 95 transitions, 223 flow [2022-11-16 11:53:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:53:59,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:53:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions. [2022-11-16 11:53:59,840 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.94 [2022-11-16 11:53:59,841 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 282 transitions. [2022-11-16 11:53:59,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 282 transitions. [2022-11-16 11:53:59,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:53:59,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 282 transitions. [2022-11-16 11:53:59,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:59,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:59,866 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:59,868 INFO L175 Difference]: Start difference. First operand has 93 places, 91 transitions, 185 flow. Second operand 3 states and 282 transitions. [2022-11-16 11:53:59,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 95 transitions, 223 flow [2022-11-16 11:53:59,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 95 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:53:59,877 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 212 flow [2022-11-16 11:53:59,880 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2022-11-16 11:53:59,886 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, 3 predicate places. [2022-11-16 11:53:59,887 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 212 flow [2022-11-16 11:53:59,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:59,887 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:53:59,888 INFO L209 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] [2022-11-16 11:53:59,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:53:59,889 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-16 11:53:59,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:53:59,890 INFO L85 PathProgramCache]: Analyzing trace with hash 394518903, now seen corresponding path program 1 times [2022-11-16 11:53:59,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:53:59,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743227611] [2022-11-16 11:53:59,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:53:59,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:53:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:54:00,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:00,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743227611] [2022-11-16 11:54:00,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743227611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:00,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:00,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:54:00,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347554886] [2022-11-16 11:54:00,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:00,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:54:00,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:00,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:54:00,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:54:00,027 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 100 [2022-11-16 11:54:00,027 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,027 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:54:00,028 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 100 [2022-11-16 11:54:00,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:54:00,143 INFO L130 PetriNetUnfolder]: 18/239 cut-off events. [2022-11-16 11:54:00,143 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-16 11:54:00,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 239 events. 18/239 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 874 event pairs, 6 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 278. Up to 27 conditions per place. [2022-11-16 11:54:00,146 INFO L137 encePairwiseOnDemand]: 94/100 looper letters, 10 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2022-11-16 11:54:00,146 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 97 transitions, 248 flow [2022-11-16 11:54:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:54:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:54:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 280 transitions. [2022-11-16 11:54:00,151 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2022-11-16 11:54:00,151 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 280 transitions. [2022-11-16 11:54:00,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 280 transitions. [2022-11-16 11:54:00,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:54:00,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 280 transitions. [2022-11-16 11:54:00,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,154 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,154 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 212 flow. Second operand 3 states and 280 transitions. [2022-11-16 11:54:00,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 97 transitions, 248 flow [2022-11-16 11:54:00,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 97 transitions, 240 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:54:00,157 INFO L231 Difference]: Finished difference. Result has 97 places, 95 transitions, 232 flow [2022-11-16 11:54:00,158 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=97, PETRI_TRANSITIONS=95} [2022-11-16 11:54:00,158 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, 4 predicate places. [2022-11-16 11:54:00,159 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 95 transitions, 232 flow [2022-11-16 11:54:00,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,159 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:54:00,161 INFO L209 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] [2022-11-16 11:54:00,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:54:00,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-16 11:54:00,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:00,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1184491535, now seen corresponding path program 1 times [2022-11-16 11:54:00,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:00,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381337494] [2022-11-16 11:54:00,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:00,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:54:00,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:00,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381337494] [2022-11-16 11:54:00,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381337494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:00,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:00,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:54:00,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259712849] [2022-11-16 11:54:00,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:00,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:54:00,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:00,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:54:00,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:54:00,295 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 100 [2022-11-16 11:54:00,296 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 95 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,296 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:54:00,296 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 100 [2022-11-16 11:54:00,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:54:00,364 INFO L130 PetriNetUnfolder]: 37/314 cut-off events. [2022-11-16 11:54:00,364 INFO L131 PetriNetUnfolder]: For 26/44 co-relation queries the response was YES. [2022-11-16 11:54:00,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 314 events. 37/314 cut-off events. For 26/44 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1501 event pairs, 18 based on Foata normal form. 1/271 useless extension candidates. Maximal degree in co-relation 423. Up to 68 conditions per place. [2022-11-16 11:54:00,367 INFO L137 encePairwiseOnDemand]: 95/100 looper letters, 15 selfloop transitions, 5 changer transitions 0/100 dead transitions. [2022-11-16 11:54:00,367 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 100 transitions, 284 flow [2022-11-16 11:54:00,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:54:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:54:00,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2022-11-16 11:54:00,369 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.92 [2022-11-16 11:54:00,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 276 transitions. [2022-11-16 11:54:00,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 276 transitions. [2022-11-16 11:54:00,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:54:00,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 276 transitions. [2022-11-16 11:54:00,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,373 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,373 INFO L175 Difference]: Start difference. First operand has 97 places, 95 transitions, 232 flow. Second operand 3 states and 276 transitions. [2022-11-16 11:54:00,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 100 transitions, 284 flow [2022-11-16 11:54:00,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 100 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:54:00,377 INFO L231 Difference]: Finished difference. Result has 99 places, 98 transitions, 260 flow [2022-11-16 11:54:00,377 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=99, PETRI_TRANSITIONS=98} [2022-11-16 11:54:00,378 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, 6 predicate places. [2022-11-16 11:54:00,378 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 98 transitions, 260 flow [2022-11-16 11:54:00,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,378 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:54:00,379 INFO L209 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] [2022-11-16 11:54:00,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:54:00,379 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-16 11:54:00,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:00,380 INFO L85 PathProgramCache]: Analyzing trace with hash 127352132, now seen corresponding path program 1 times [2022-11-16 11:54:00,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:00,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73630740] [2022-11-16 11:54:00,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:00,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:54:00,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:00,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73630740] [2022-11-16 11:54:00,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73630740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:00,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:00,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:54:00,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010800531] [2022-11-16 11:54:00,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:00,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:54:00,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:00,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:54:00,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:54:00,449 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 100 [2022-11-16 11:54:00,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 98 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:54:00,450 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 100 [2022-11-16 11:54:00,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:54:00,527 INFO L130 PetriNetUnfolder]: 41/350 cut-off events. [2022-11-16 11:54:00,527 INFO L131 PetriNetUnfolder]: For 99/102 co-relation queries the response was YES. [2022-11-16 11:54:00,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 350 events. 41/350 cut-off events. For 99/102 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1703 event pairs, 13 based on Foata normal form. 2/320 useless extension candidates. Maximal degree in co-relation 529. Up to 63 conditions per place. [2022-11-16 11:54:00,530 INFO L137 encePairwiseOnDemand]: 94/100 looper letters, 21 selfloop transitions, 8 changer transitions 0/109 dead transitions. [2022-11-16 11:54:00,530 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 109 transitions, 368 flow [2022-11-16 11:54:00,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:54:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:54:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2022-11-16 11:54:00,532 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9233333333333333 [2022-11-16 11:54:00,532 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2022-11-16 11:54:00,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2022-11-16 11:54:00,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:54:00,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2022-11-16 11:54:00,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,535 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,536 INFO L175 Difference]: Start difference. First operand has 99 places, 98 transitions, 260 flow. Second operand 3 states and 277 transitions. [2022-11-16 11:54:00,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 109 transitions, 368 flow [2022-11-16 11:54:00,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 109 transitions, 350 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-16 11:54:00,540 INFO L231 Difference]: Finished difference. Result has 101 places, 103 transitions, 312 flow [2022-11-16 11:54:00,540 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=101, PETRI_TRANSITIONS=103} [2022-11-16 11:54:00,541 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, 8 predicate places. [2022-11-16 11:54:00,541 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 103 transitions, 312 flow [2022-11-16 11:54:00,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,542 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:54:00,542 INFO L209 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] [2022-11-16 11:54:00,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:54:00,543 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-16 11:54:00,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:00,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1496792792, now seen corresponding path program 1 times [2022-11-16 11:54:00,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:00,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896357401] [2022-11-16 11:54:00,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:00,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:00,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:54:00,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:00,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896357401] [2022-11-16 11:54:00,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896357401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:00,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:00,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:54:00,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632858974] [2022-11-16 11:54:00,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:00,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:54:00,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:00,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:54:00,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:54:00,951 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 100 [2022-11-16 11:54:00,952 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 103 transitions, 312 flow. Second operand has 7 states, 7 states have (on average 72.71428571428571) internal successors, (509), 7 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:00,952 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:54:00,952 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 100 [2022-11-16 11:54:00,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:54:01,087 INFO L130 PetriNetUnfolder]: 30/274 cut-off events. [2022-11-16 11:54:01,088 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-11-16 11:54:01,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 274 events. 30/274 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1004 event pairs, 13 based on Foata normal form. 10/264 useless extension candidates. Maximal degree in co-relation 404. Up to 56 conditions per place. [2022-11-16 11:54:01,090 INFO L137 encePairwiseOnDemand]: 92/100 looper letters, 22 selfloop transitions, 8 changer transitions 0/91 dead transitions. [2022-11-16 11:54:01,090 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 91 transitions, 290 flow [2022-11-16 11:54:01,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:54:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-16 11:54:01,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 383 transitions. [2022-11-16 11:54:01,092 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.766 [2022-11-16 11:54:01,092 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 383 transitions. [2022-11-16 11:54:01,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 383 transitions. [2022-11-16 11:54:01,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:54:01,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 383 transitions. [2022-11-16 11:54:01,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 76.6) internal successors, (383), 5 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,096 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,096 INFO L175 Difference]: Start difference. First operand has 101 places, 103 transitions, 312 flow. Second operand 5 states and 383 transitions. [2022-11-16 11:54:01,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 91 transitions, 290 flow [2022-11-16 11:54:01,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 260 flow, removed 7 selfloop flow, removed 8 redundant places. [2022-11-16 11:54:01,099 INFO L231 Difference]: Finished difference. Result has 94 places, 89 transitions, 212 flow [2022-11-16 11:54:01,100 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=212, PETRI_PLACES=94, PETRI_TRANSITIONS=89} [2022-11-16 11:54:01,100 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, 1 predicate places. [2022-11-16 11:54:01,100 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 89 transitions, 212 flow [2022-11-16 11:54:01,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 72.71428571428571) internal successors, (509), 7 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,101 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:54:01,101 INFO L209 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] [2022-11-16 11:54:01,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:54:01,102 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-16 11:54:01,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:01,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1409777098, now seen corresponding path program 1 times [2022-11-16 11:54:01,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:01,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018287494] [2022-11-16 11:54:01,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:01,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:54:01,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:01,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018287494] [2022-11-16 11:54:01,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018287494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:01,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:01,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:54:01,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161447587] [2022-11-16 11:54:01,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:01,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:54:01,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:01,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:54:01,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:54:01,189 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 100 [2022-11-16 11:54:01,189 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 89 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,190 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:54:01,190 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 100 [2022-11-16 11:54:01,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:54:01,313 INFO L130 PetriNetUnfolder]: 21/284 cut-off events. [2022-11-16 11:54:01,314 INFO L131 PetriNetUnfolder]: For 16/19 co-relation queries the response was YES. [2022-11-16 11:54:01,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 411 conditions, 284 events. 21/284 cut-off events. For 16/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1107 event pairs, 8 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 373. Up to 48 conditions per place. [2022-11-16 11:54:01,317 INFO L137 encePairwiseOnDemand]: 95/100 looper letters, 16 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2022-11-16 11:54:01,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 95 transitions, 272 flow [2022-11-16 11:54:01,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:54:01,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:54:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 275 transitions. [2022-11-16 11:54:01,319 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2022-11-16 11:54:01,320 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 275 transitions. [2022-11-16 11:54:01,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 275 transitions. [2022-11-16 11:54:01,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:54:01,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 275 transitions. [2022-11-16 11:54:01,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,324 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,325 INFO L175 Difference]: Start difference. First operand has 94 places, 89 transitions, 212 flow. Second operand 3 states and 275 transitions. [2022-11-16 11:54:01,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 95 transitions, 272 flow [2022-11-16 11:54:01,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 95 transitions, 263 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-16 11:54:01,331 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 235 flow [2022-11-16 11:54:01,332 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=235, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2022-11-16 11:54:01,335 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, 2 predicate places. [2022-11-16 11:54:01,335 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 235 flow [2022-11-16 11:54:01,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,336 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:54:01,336 INFO L209 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] [2022-11-16 11:54:01,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:54:01,337 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-16 11:54:01,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:01,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1448868177, now seen corresponding path program 1 times [2022-11-16 11:54:01,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:01,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470695345] [2022-11-16 11:54:01,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:01,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:01,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:54:01,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:01,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470695345] [2022-11-16 11:54:01,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470695345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:01,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:01,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:54:01,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023985074] [2022-11-16 11:54:01,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:01,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:54:01,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:01,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:54:01,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:54:01,849 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 100 [2022-11-16 11:54:01,850 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 235 flow. Second operand has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,850 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:54:01,850 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 100 [2022-11-16 11:54:01,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:54:01,919 INFO L130 PetriNetUnfolder]: 8/245 cut-off events. [2022-11-16 11:54:01,919 INFO L131 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2022-11-16 11:54:01,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 245 events. 8/245 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 856 event pairs, 3 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 319. Up to 18 conditions per place. [2022-11-16 11:54:01,920 INFO L137 encePairwiseOnDemand]: 95/100 looper letters, 6 selfloop transitions, 4 changer transitions 3/91 dead transitions. [2022-11-16 11:54:01,921 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 91 transitions, 253 flow [2022-11-16 11:54:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:54:01,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:54:01,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 521 transitions. [2022-11-16 11:54:01,923 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8683333333333333 [2022-11-16 11:54:01,923 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 521 transitions. [2022-11-16 11:54:01,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 521 transitions. [2022-11-16 11:54:01,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:54:01,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 521 transitions. [2022-11-16 11:54:01,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 86.83333333333333) internal successors, (521), 6 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,928 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,928 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 235 flow. Second operand 6 states and 521 transitions. [2022-11-16 11:54:01,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 91 transitions, 253 flow [2022-11-16 11:54:01,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 91 transitions, 245 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:54:01,933 INFO L231 Difference]: Finished difference. Result has 97 places, 88 transitions, 221 flow [2022-11-16 11:54:01,934 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=221, PETRI_PLACES=97, PETRI_TRANSITIONS=88} [2022-11-16 11:54:01,936 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, 4 predicate places. [2022-11-16 11:54:01,936 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 88 transitions, 221 flow [2022-11-16 11:54:01,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:01,937 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:54:01,937 INFO L209 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] [2022-11-16 11:54:01,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:54:01,937 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-16 11:54:01,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:01,938 INFO L85 PathProgramCache]: Analyzing trace with hash -228192050, now seen corresponding path program 1 times [2022-11-16 11:54:01,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:01,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884200647] [2022-11-16 11:54:01,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:01,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:02,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:54:02,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:02,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884200647] [2022-11-16 11:54:02,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884200647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:02,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:02,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:54:02,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861641006] [2022-11-16 11:54:02,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:02,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:54:02,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:02,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:54:02,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:54:02,247 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 100 [2022-11-16 11:54:02,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 88 transitions, 221 flow. Second operand has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:54:02,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 100 [2022-11-16 11:54:02,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:54:02,450 INFO L130 PetriNetUnfolder]: 30/390 cut-off events. [2022-11-16 11:54:02,451 INFO L131 PetriNetUnfolder]: For 23/24 co-relation queries the response was YES. [2022-11-16 11:54:02,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 629 conditions, 390 events. 30/390 cut-off events. For 23/24 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1931 event pairs, 12 based on Foata normal form. 0/383 useless extension candidates. Maximal degree in co-relation 578. Up to 69 conditions per place. [2022-11-16 11:54:02,454 INFO L137 encePairwiseOnDemand]: 91/100 looper letters, 28 selfloop transitions, 12 changer transitions 3/103 dead transitions. [2022-11-16 11:54:02,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 103 transitions, 341 flow [2022-11-16 11:54:02,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:54:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-16 11:54:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 535 transitions. [2022-11-16 11:54:02,457 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7642857142857142 [2022-11-16 11:54:02,457 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 535 transitions. [2022-11-16 11:54:02,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 535 transitions. [2022-11-16 11:54:02,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:54:02,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 535 transitions. [2022-11-16 11:54:02,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 76.42857142857143) internal successors, (535), 7 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,461 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,461 INFO L175 Difference]: Start difference. First operand has 97 places, 88 transitions, 221 flow. Second operand 7 states and 535 transitions. [2022-11-16 11:54:02,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 103 transitions, 341 flow [2022-11-16 11:54:02,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 103 transitions, 334 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:54:02,468 INFO L231 Difference]: Finished difference. Result has 103 places, 94 transitions, 281 flow [2022-11-16 11:54:02,469 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=281, PETRI_PLACES=103, PETRI_TRANSITIONS=94} [2022-11-16 11:54:02,472 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, 10 predicate places. [2022-11-16 11:54:02,472 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 94 transitions, 281 flow [2022-11-16 11:54:02,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.0) internal successors, (511), 7 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,475 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:54:02,475 INFO L209 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] [2022-11-16 11:54:02,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:54:02,475 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-16 11:54:02,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:02,477 INFO L85 PathProgramCache]: Analyzing trace with hash 610558064, now seen corresponding path program 2 times [2022-11-16 11:54:02,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:02,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947798591] [2022-11-16 11:54:02,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:02,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:02,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:54:02,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:02,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947798591] [2022-11-16 11:54:02,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947798591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:02,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:02,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:54:02,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404643514] [2022-11-16 11:54:02,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:02,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:54:02,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:02,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:54:02,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:54:02,620 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 100 [2022-11-16 11:54:02,620 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 94 transitions, 281 flow. Second operand has 4 states, 4 states have (on average 79.75) internal successors, (319), 4 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:54:02,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 100 [2022-11-16 11:54:02,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:54:02,748 INFO L130 PetriNetUnfolder]: 25/325 cut-off events. [2022-11-16 11:54:02,749 INFO L131 PetriNetUnfolder]: For 136/160 co-relation queries the response was YES. [2022-11-16 11:54:02,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 612 conditions, 325 events. 25/325 cut-off events. For 136/160 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1418 event pairs, 6 based on Foata normal form. 7/327 useless extension candidates. Maximal degree in co-relation 561. Up to 57 conditions per place. [2022-11-16 11:54:02,750 INFO L137 encePairwiseOnDemand]: 92/100 looper letters, 26 selfloop transitions, 14 changer transitions 3/109 dead transitions. [2022-11-16 11:54:02,751 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 109 transitions, 444 flow [2022-11-16 11:54:02,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:54:02,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-16 11:54:02,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 341 transitions. [2022-11-16 11:54:02,752 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8525 [2022-11-16 11:54:02,753 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 341 transitions. [2022-11-16 11:54:02,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 341 transitions. [2022-11-16 11:54:02,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:54:02,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 341 transitions. [2022-11-16 11:54:02,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,756 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,756 INFO L175 Difference]: Start difference. First operand has 103 places, 94 transitions, 281 flow. Second operand 4 states and 341 transitions. [2022-11-16 11:54:02,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 109 transitions, 444 flow [2022-11-16 11:54:02,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 109 transitions, 441 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:54:02,759 INFO L231 Difference]: Finished difference. Result has 107 places, 103 transitions, 401 flow [2022-11-16 11:54:02,760 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=401, PETRI_PLACES=107, PETRI_TRANSITIONS=103} [2022-11-16 11:54:02,760 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, 14 predicate places. [2022-11-16 11:54:02,760 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 103 transitions, 401 flow [2022-11-16 11:54:02,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.75) internal successors, (319), 4 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,761 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:54:02,761 INFO L209 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] [2022-11-16 11:54:02,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:54:02,762 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-16 11:54:02,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:02,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1687201532, now seen corresponding path program 3 times [2022-11-16 11:54:02,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:02,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579658794] [2022-11-16 11:54:02,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:02,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:54:02,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:02,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579658794] [2022-11-16 11:54:02,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579658794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:02,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:02,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:54:02,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128101687] [2022-11-16 11:54:02,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:02,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:54:02,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:02,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:54:02,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:54:02,880 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 100 [2022-11-16 11:54:02,880 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 103 transitions, 401 flow. Second operand has 4 states, 4 states have (on average 79.75) internal successors, (319), 4 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,880 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:54:02,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 100 [2022-11-16 11:54:02,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:54:02,957 INFO L130 PetriNetUnfolder]: 22/202 cut-off events. [2022-11-16 11:54:02,958 INFO L131 PetriNetUnfolder]: For 273/338 co-relation queries the response was YES. [2022-11-16 11:54:02,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 202 events. 22/202 cut-off events. For 273/338 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 625 event pairs, 5 based on Foata normal form. 12/212 useless extension candidates. Maximal degree in co-relation 427. Up to 43 conditions per place. [2022-11-16 11:54:02,959 INFO L137 encePairwiseOnDemand]: 93/100 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2022-11-16 11:54:02,959 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 88 transitions, 456 flow [2022-11-16 11:54:02,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:54:02,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-16 11:54:02,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 333 transitions. [2022-11-16 11:54:02,961 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8325 [2022-11-16 11:54:02,961 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 333 transitions. [2022-11-16 11:54:02,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 333 transitions. [2022-11-16 11:54:02,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:54:02,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 333 transitions. [2022-11-16 11:54:02,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,964 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,964 INFO L175 Difference]: Start difference. First operand has 107 places, 103 transitions, 401 flow. Second operand 4 states and 333 transitions. [2022-11-16 11:54:02,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 88 transitions, 456 flow [2022-11-16 11:54:02,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 88 transitions, 427 flow, removed 1 selfloop flow, removed 6 redundant places. [2022-11-16 11:54:02,968 INFO L231 Difference]: Finished difference. Result has 84 places, 0 transitions, 0 flow [2022-11-16 11:54:02,969 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=84, PETRI_TRANSITIONS=0} [2022-11-16 11:54:02,970 INFO L288 CegarLoopForPetriNet]: 93 programPoint places, -9 predicate places. [2022-11-16 11:54:02,970 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 0 transitions, 0 flow [2022-11-16 11:54:02,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.75) internal successors, (319), 4 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:54:02,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-11-16 11:54:02,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-11-16 11:54:02,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-11-16 11:54:02,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2022-11-16 11:54:02,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-11-16 11:54:02,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-11-16 11:54:02,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-11-16 11:54:02,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-11-16 11:54:02,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-11-16 11:54:02,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-11-16 11:54:02,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-11-16 11:54:02,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-11-16 11:54:02,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:54:02,976 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:54:02,981 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:54:02,981 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:54:02,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:54:02 BasicIcfg [2022-11-16 11:54:02,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:54:02,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:54:02,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:54:02,988 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:54:02,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:53:59" (3/4) ... [2022-11-16 11:54:02,993 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:54:02,999 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-16 11:54:03,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-16 11:54:03,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 11:54:03,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:54:03,045 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:54:03,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:54:03,046 INFO L158 Benchmark]: Toolchain (without parser) took 5330.62ms. Allocated memory was 90.2MB in the beginning and 159.4MB in the end (delta: 69.2MB). Free memory was 54.8MB in the beginning and 84.1MB in the end (delta: -29.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-11-16 11:54:03,046 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:54:03,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.71ms. Allocated memory was 90.2MB in the beginning and 127.9MB in the end (delta: 37.7MB). Free memory was 54.6MB in the beginning and 95.0MB in the end (delta: -40.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:54:03,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.93ms. Allocated memory is still 127.9MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:54:03,047 INFO L158 Benchmark]: Boogie Preprocessor took 63.56ms. Allocated memory is still 127.9MB. Free memory was 92.9MB in the beginning and 91.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:54:03,048 INFO L158 Benchmark]: RCFGBuilder took 626.05ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 76.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 11:54:03,048 INFO L158 Benchmark]: TraceAbstraction took 3879.57ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 75.3MB in the beginning and 87.2MB in the end (delta: -11.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-11-16 11:54:03,048 INFO L158 Benchmark]: Witness Printer took 57.92ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 84.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:54:03,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.71ms. Allocated memory was 90.2MB in the beginning and 127.9MB in the end (delta: 37.7MB). Free memory was 54.6MB in the beginning and 95.0MB in the end (delta: -40.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.93ms. Allocated memory is still 127.9MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.56ms. Allocated memory is still 127.9MB. Free memory was 92.9MB in the beginning and 91.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 626.05ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 76.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3879.57ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 75.3MB in the beginning and 87.2MB in the end (delta: -11.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 57.92ms. Allocated memory is still 159.4MB. Free memory was 87.2MB in the beginning and 84.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 684]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 684]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: 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 3 procedures, 132 locations, 12 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: 3.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 134 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 322 IncrementalHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 107 mSDtfsCounter, 322 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, InterpolantAutomatonStates: 41, 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, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 478 NumberOfCodeBlocks, 478 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 911 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:54:03,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b8a019-cbd4-4d8f-920e-017ae40d384e/bin/uautomizer-tPACEb0tL8/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