./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/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_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:34:43,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:34:43,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:34:43,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:34:43,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:34:43,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:34:43,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:34:43,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:34:43,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:34:43,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:34:43,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:34:43,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:34:43,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:34:43,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:34:43,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:34:43,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:34:43,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:34:43,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:34:43,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:34:43,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:34:43,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:34:43,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:34:43,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:34:43,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:34:43,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:34:43,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:34:43,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:34:43,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:34:43,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:34:43,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:34:43,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:34:43,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:34:43,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:34:43,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:34:43,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:34:43,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:34:43,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:34:43,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:34:43,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:34:43,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:34:43,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:34:43,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 22:34:43,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:34:43,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:34:43,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:34:43,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:34:43,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:34:43,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:34:43,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:34:43,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:34:43,148 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:34:43,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:34:43,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:34:43,149 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:34:43,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:34:43,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:34:43,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:34:43,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:34:43,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:34:43,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:34:43,150 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 22:34:43,150 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:34:43,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:34:43,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:34:43,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:34:43,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:34:43,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:34:43,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:34:43,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:34:43,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:34:43,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:34:43,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:34:43,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:34:43,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:34:43,152 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:34:43,152 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:34:43,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:34:43,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:34:43,152 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_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29686c593874684b7702dd35cbbbd25416d0d0dde1b2c7e324de66da32235cfd [2021-12-06 22:34:43,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:34:43,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:34:43,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:34:43,344 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:34:43,344 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:34:43,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/04-mutex_42-trylock_2mutex.i [2021-12-06 22:34:43,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/data/b3d34c6e5/23cd1fb361b14e13bd1c70fcd27da0dd/FLAGda6a2aded [2021-12-06 22:34:43,787 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:34:43,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/sv-benchmarks/c/goblint-regression/04-mutex_42-trylock_2mutex.i [2021-12-06 22:34:43,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/data/b3d34c6e5/23cd1fb361b14e13bd1c70fcd27da0dd/FLAGda6a2aded [2021-12-06 22:34:43,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/data/b3d34c6e5/23cd1fb361b14e13bd1c70fcd27da0dd [2021-12-06 22:34:43,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:34:43,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:34:43,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:34:43,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:34:43,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:34:43,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:34:43" (1/1) ... [2021-12-06 22:34:43,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ffa6853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:43, skipping insertion in model container [2021-12-06 22:34:43,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:34:43" (1/1) ... [2021-12-06 22:34:43,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:34:43,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:34:44,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:34:44,120 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:34:44,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:34:44,196 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:34:44,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44 WrapperNode [2021-12-06 22:34:44,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:34:44,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:34:44,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:34:44,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:34:44,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (1/1) ... [2021-12-06 22:34:44,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (1/1) ... [2021-12-06 22:34:44,231 INFO L137 Inliner]: procedures = 163, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2021-12-06 22:34:44,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:34:44,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:34:44,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:34:44,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:34:44,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (1/1) ... [2021-12-06 22:34:44,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (1/1) ... [2021-12-06 22:34:44,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (1/1) ... [2021-12-06 22:34:44,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (1/1) ... [2021-12-06 22:34:44,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (1/1) ... [2021-12-06 22:34:44,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (1/1) ... [2021-12-06 22:34:44,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (1/1) ... [2021-12-06 22:34:44,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:34:44,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:34:44,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:34:44,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:34:44,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (1/1) ... [2021-12-06 22:34:44,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:34:44,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:34:44,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:34:44,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:34:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:34:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:34:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 22:34:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:34:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:34:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-06 22:34:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-06 22:34:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:34:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2021-12-06 22:34:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:34:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:34:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:34:44,323 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 22:34:44,412 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:34:44,413 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:34:44,565 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:34:44,570 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:34:44,571 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 22:34:44,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:34:44 BoogieIcfgContainer [2021-12-06 22:34:44,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:34:44,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:34:44,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:34:44,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:34:44,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:34:43" (1/3) ... [2021-12-06 22:34:44,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e54744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:34:44, skipping insertion in model container [2021-12-06 22:34:44,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:34:44" (2/3) ... [2021-12-06 22:34:44,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e54744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:34:44, skipping insertion in model container [2021-12-06 22:34:44,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:34:44" (3/3) ... [2021-12-06 22:34:44,578 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_42-trylock_2mutex.i [2021-12-06 22:34:44,583 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 22:34:44,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:34:44,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-12-06 22:34:44,583 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 22:34:44,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,609 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,609 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,610 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,610 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,623 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,623 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 22:34:44,628 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-06 22:34:44,671 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:34:44,679 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:34:44,679 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-12-06 22:34:44,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 100 transitions, 208 flow [2021-12-06 22:34:44,723 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-12-06 22:34:44,723 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 22:34:44,726 INFO L84 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 90 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. [2021-12-06 22:34:44,726 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 100 transitions, 208 flow [2021-12-06 22:34:44,730 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 91 transitions, 185 flow [2021-12-06 22:34:44,737 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-12-06 22:34:44,738 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 22:34:44,738 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:44,738 INFO L254 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] [2021-12-06 22:34:44,739 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-12-06 22:34:44,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:44,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1762378934, now seen corresponding path program 1 times [2021-12-06 22:34:44,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:44,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323577278] [2021-12-06 22:34:44,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:44,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:44,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:44,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323577278] [2021-12-06 22:34:44,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323577278] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:44,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:44,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:34:44,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041650151] [2021-12-06 22:34:44,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:44,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:34:44,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:44,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:34:44,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:34:44,934 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 100 [2021-12-06 22:34:44,937 INFO L92 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) [2021-12-06 22:34:44,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:44,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 100 [2021-12-06 22:34:44,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:45,008 INFO L129 PetriNetUnfolder]: 22/212 cut-off events. [2021-12-06 22:34:45,008 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 22:34:45,009 INFO L84 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 745 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. [2021-12-06 22:34:45,012 INFO L132 encePairwiseOnDemand]: 94/100 looper letters, 11 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2021-12-06 22:34:45,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 95 transitions, 223 flow [2021-12-06 22:34:45,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:34:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 22:34:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions. [2021-12-06 22:34:45,026 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.94 [2021-12-06 22:34:45,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 282 transitions. [2021-12-06 22:34:45,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 282 transitions. [2021-12-06 22:34:45,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:45,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 282 transitions. [2021-12-06 22:34:45,035 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) [2021-12-06 22:34:45,040 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) [2021-12-06 22:34:45,041 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) [2021-12-06 22:34:45,043 INFO L186 Difference]: Start difference. First operand has 93 places, 91 transitions, 185 flow. Second operand 3 states and 282 transitions. [2021-12-06 22:34:45,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 95 transitions, 223 flow [2021-12-06 22:34:45,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 95 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 22:34:45,051 INFO L242 Difference]: Finished difference. Result has 96 places, 93 transitions, 212 flow [2021-12-06 22:34:45,053 INFO L317 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} [2021-12-06 22:34:45,057 INFO L334 CegarLoopForPetriNet]: 93 programPoint places, 3 predicate places. [2021-12-06 22:34:45,057 INFO L470 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 212 flow [2021-12-06 22:34:45,057 INFO L471 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) [2021-12-06 22:34:45,057 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:45,057 INFO L254 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] [2021-12-06 22:34:45,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:34:45,058 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-12-06 22:34:45,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:45,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1847998782, now seen corresponding path program 1 times [2021-12-06 22:34:45,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:45,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380536665] [2021-12-06 22:34:45,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:45,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:45,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:45,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380536665] [2021-12-06 22:34:45,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380536665] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:45,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:45,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:34:45,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589746510] [2021-12-06 22:34:45,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:45,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:34:45,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:45,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:34:45,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:34:45,123 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 100 [2021-12-06 22:34:45,123 INFO L92 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) [2021-12-06 22:34:45,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:45,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 100 [2021-12-06 22:34:45,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:45,186 INFO L129 PetriNetUnfolder]: 18/239 cut-off events. [2021-12-06 22:34:45,186 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-06 22:34:45,187 INFO L84 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 885 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. [2021-12-06 22:34:45,189 INFO L132 encePairwiseOnDemand]: 94/100 looper letters, 10 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2021-12-06 22:34:45,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 97 transitions, 248 flow [2021-12-06 22:34:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:34:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 22:34:45,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 280 transitions. [2021-12-06 22:34:45,192 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2021-12-06 22:34:45,192 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 280 transitions. [2021-12-06 22:34:45,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 280 transitions. [2021-12-06 22:34:45,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:45,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 280 transitions. [2021-12-06 22:34:45,195 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) [2021-12-06 22:34:45,197 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) [2021-12-06 22:34:45,197 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) [2021-12-06 22:34:45,197 INFO L186 Difference]: Start difference. First operand has 96 places, 93 transitions, 212 flow. Second operand 3 states and 280 transitions. [2021-12-06 22:34:45,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 97 transitions, 248 flow [2021-12-06 22:34:45,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 97 transitions, 240 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 22:34:45,202 INFO L242 Difference]: Finished difference. Result has 97 places, 95 transitions, 232 flow [2021-12-06 22:34:45,203 INFO L317 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} [2021-12-06 22:34:45,204 INFO L334 CegarLoopForPetriNet]: 93 programPoint places, 4 predicate places. [2021-12-06 22:34:45,204 INFO L470 AbstractCegarLoop]: Abstraction has has 97 places, 95 transitions, 232 flow [2021-12-06 22:34:45,204 INFO L471 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) [2021-12-06 22:34:45,204 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:45,205 INFO L254 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] [2021-12-06 22:34:45,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:34:45,205 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-12-06 22:34:45,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:45,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1076940034, now seen corresponding path program 1 times [2021-12-06 22:34:45,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:45,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348733681] [2021-12-06 22:34:45,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:45,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:45,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:45,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348733681] [2021-12-06 22:34:45,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348733681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:45,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:45,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:34:45,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11373984] [2021-12-06 22:34:45,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:45,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:34:45,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:45,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:34:45,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:34:45,258 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 100 [2021-12-06 22:34:45,258 INFO L92 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) [2021-12-06 22:34:45,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:45,259 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 100 [2021-12-06 22:34:45,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:45,318 INFO L129 PetriNetUnfolder]: 37/314 cut-off events. [2021-12-06 22:34:45,318 INFO L130 PetriNetUnfolder]: For 26/44 co-relation queries the response was YES. [2021-12-06 22:34:45,319 INFO L84 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 1491 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. [2021-12-06 22:34:45,320 INFO L132 encePairwiseOnDemand]: 95/100 looper letters, 15 selfloop transitions, 5 changer transitions 0/100 dead transitions. [2021-12-06 22:34:45,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 100 transitions, 284 flow [2021-12-06 22:34:45,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:34:45,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 22:34:45,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2021-12-06 22:34:45,322 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.92 [2021-12-06 22:34:45,322 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 276 transitions. [2021-12-06 22:34:45,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 276 transitions. [2021-12-06 22:34:45,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:45,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 276 transitions. [2021-12-06 22:34:45,323 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) [2021-12-06 22:34:45,324 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) [2021-12-06 22:34:45,325 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) [2021-12-06 22:34:45,325 INFO L186 Difference]: Start difference. First operand has 97 places, 95 transitions, 232 flow. Second operand 3 states and 276 transitions. [2021-12-06 22:34:45,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 100 transitions, 284 flow [2021-12-06 22:34:45,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 100 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 22:34:45,328 INFO L242 Difference]: Finished difference. Result has 99 places, 98 transitions, 260 flow [2021-12-06 22:34:45,328 INFO L317 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} [2021-12-06 22:34:45,329 INFO L334 CegarLoopForPetriNet]: 93 programPoint places, 6 predicate places. [2021-12-06 22:34:45,329 INFO L470 AbstractCegarLoop]: Abstraction has has 99 places, 98 transitions, 260 flow [2021-12-06 22:34:45,329 INFO L471 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) [2021-12-06 22:34:45,329 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:45,329 INFO L254 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] [2021-12-06 22:34:45,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:34:45,330 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-12-06 22:34:45,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:45,330 INFO L85 PathProgramCache]: Analyzing trace with hash -292322033, now seen corresponding path program 1 times [2021-12-06 22:34:45,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:45,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902358781] [2021-12-06 22:34:45,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:45,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:45,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:45,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:45,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902358781] [2021-12-06 22:34:45,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902358781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:45,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:45,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:34:45,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185601181] [2021-12-06 22:34:45,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:45,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:34:45,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:45,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:34:45,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:34:45,366 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 100 [2021-12-06 22:34:45,367 INFO L92 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) [2021-12-06 22:34:45,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:45,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 100 [2021-12-06 22:34:45,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:45,428 INFO L129 PetriNetUnfolder]: 41/350 cut-off events. [2021-12-06 22:34:45,428 INFO L130 PetriNetUnfolder]: For 99/102 co-relation queries the response was YES. [2021-12-06 22:34:45,429 INFO L84 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 1708 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. [2021-12-06 22:34:45,431 INFO L132 encePairwiseOnDemand]: 94/100 looper letters, 21 selfloop transitions, 8 changer transitions 0/109 dead transitions. [2021-12-06 22:34:45,431 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 109 transitions, 368 flow [2021-12-06 22:34:45,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:34:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 22:34:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2021-12-06 22:34:45,432 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9233333333333333 [2021-12-06 22:34:45,432 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2021-12-06 22:34:45,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2021-12-06 22:34:45,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:45,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2021-12-06 22:34:45,433 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) [2021-12-06 22:34:45,434 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) [2021-12-06 22:34:45,435 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) [2021-12-06 22:34:45,435 INFO L186 Difference]: Start difference. First operand has 99 places, 98 transitions, 260 flow. Second operand 3 states and 277 transitions. [2021-12-06 22:34:45,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 109 transitions, 368 flow [2021-12-06 22:34:45,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 109 transitions, 350 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-12-06 22:34:45,439 INFO L242 Difference]: Finished difference. Result has 101 places, 103 transitions, 312 flow [2021-12-06 22:34:45,439 INFO L317 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} [2021-12-06 22:34:45,440 INFO L334 CegarLoopForPetriNet]: 93 programPoint places, 8 predicate places. [2021-12-06 22:34:45,440 INFO L470 AbstractCegarLoop]: Abstraction has has 101 places, 103 transitions, 312 flow [2021-12-06 22:34:45,440 INFO L471 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) [2021-12-06 22:34:45,440 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:45,441 INFO L254 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] [2021-12-06 22:34:45,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:34:45,441 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-12-06 22:34:45,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:45,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1441048867, now seen corresponding path program 1 times [2021-12-06 22:34:45,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:45,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710618103] [2021-12-06 22:34:45,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:45,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:45,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:45,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:45,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710618103] [2021-12-06 22:34:45,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710618103] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:45,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:45,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:34:45,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814124938] [2021-12-06 22:34:45,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:45,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:34:45,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:45,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:34:45,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:34:45,554 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 100 [2021-12-06 22:34:45,555 INFO L92 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) [2021-12-06 22:34:45,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:45,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 100 [2021-12-06 22:34:45,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:45,643 INFO L129 PetriNetUnfolder]: 30/274 cut-off events. [2021-12-06 22:34:45,643 INFO L130 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2021-12-06 22:34:45,644 INFO L84 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 14. Compared 1000 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. [2021-12-06 22:34:45,645 INFO L132 encePairwiseOnDemand]: 92/100 looper letters, 22 selfloop transitions, 8 changer transitions 0/91 dead transitions. [2021-12-06 22:34:45,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 91 transitions, 290 flow [2021-12-06 22:34:45,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:34:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-06 22:34:45,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 383 transitions. [2021-12-06 22:34:45,647 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.766 [2021-12-06 22:34:45,647 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 383 transitions. [2021-12-06 22:34:45,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 383 transitions. [2021-12-06 22:34:45,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:45,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 383 transitions. [2021-12-06 22:34:45,648 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) [2021-12-06 22:34:45,650 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) [2021-12-06 22:34:45,650 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) [2021-12-06 22:34:45,650 INFO L186 Difference]: Start difference. First operand has 101 places, 103 transitions, 312 flow. Second operand 5 states and 383 transitions. [2021-12-06 22:34:45,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 91 transitions, 290 flow [2021-12-06 22:34:45,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 260 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-12-06 22:34:45,653 INFO L242 Difference]: Finished difference. Result has 94 places, 89 transitions, 212 flow [2021-12-06 22:34:45,653 INFO L317 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} [2021-12-06 22:34:45,654 INFO L334 CegarLoopForPetriNet]: 93 programPoint places, 1 predicate places. [2021-12-06 22:34:45,654 INFO L470 AbstractCegarLoop]: Abstraction has has 94 places, 89 transitions, 212 flow [2021-12-06 22:34:45,654 INFO L471 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) [2021-12-06 22:34:45,654 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:45,655 INFO L254 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] [2021-12-06 22:34:45,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:34:45,655 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-12-06 22:34:45,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:45,655 INFO L85 PathProgramCache]: Analyzing trace with hash 213422761, now seen corresponding path program 1 times [2021-12-06 22:34:45,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:45,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873775707] [2021-12-06 22:34:45,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:45,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:45,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:45,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873775707] [2021-12-06 22:34:45,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873775707] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:45,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:45,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:34:45,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241494707] [2021-12-06 22:34:45,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:45,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:34:45,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:45,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:34:45,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:34:45,686 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 100 [2021-12-06 22:34:45,686 INFO L92 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) [2021-12-06 22:34:45,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:45,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 100 [2021-12-06 22:34:45,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:45,727 INFO L129 PetriNetUnfolder]: 21/284 cut-off events. [2021-12-06 22:34:45,727 INFO L130 PetriNetUnfolder]: For 16/19 co-relation queries the response was YES. [2021-12-06 22:34:45,728 INFO L84 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 1094 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. [2021-12-06 22:34:45,729 INFO L132 encePairwiseOnDemand]: 95/100 looper letters, 16 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2021-12-06 22:34:45,729 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 95 transitions, 272 flow [2021-12-06 22:34:45,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:34:45,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 22:34:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 275 transitions. [2021-12-06 22:34:45,731 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2021-12-06 22:34:45,731 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 275 transitions. [2021-12-06 22:34:45,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 275 transitions. [2021-12-06 22:34:45,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:45,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 275 transitions. [2021-12-06 22:34:45,733 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) [2021-12-06 22:34:45,734 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) [2021-12-06 22:34:45,734 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) [2021-12-06 22:34:45,734 INFO L186 Difference]: Start difference. First operand has 94 places, 89 transitions, 212 flow. Second operand 3 states and 275 transitions. [2021-12-06 22:34:45,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 95 transitions, 272 flow [2021-12-06 22:34:45,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 95 transitions, 263 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-06 22:34:45,738 INFO L242 Difference]: Finished difference. Result has 95 places, 92 transitions, 235 flow [2021-12-06 22:34:45,738 INFO L317 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} [2021-12-06 22:34:45,739 INFO L334 CegarLoopForPetriNet]: 93 programPoint places, 2 predicate places. [2021-12-06 22:34:45,739 INFO L470 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 235 flow [2021-12-06 22:34:45,739 INFO L471 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) [2021-12-06 22:34:45,739 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:45,740 INFO L254 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] [2021-12-06 22:34:45,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:34:45,740 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-12-06 22:34:45,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:45,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1964825019, now seen corresponding path program 1 times [2021-12-06 22:34:45,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:45,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693058860] [2021-12-06 22:34:45,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:45,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:45,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:45,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693058860] [2021-12-06 22:34:45,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693058860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:45,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:45,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:34:45,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362462371] [2021-12-06 22:34:45,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:45,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:34:45,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:45,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:34:45,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:34:45,823 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 100 [2021-12-06 22:34:45,823 INFO L92 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) [2021-12-06 22:34:45,823 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:45,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 100 [2021-12-06 22:34:45,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:45,858 INFO L129 PetriNetUnfolder]: 8/245 cut-off events. [2021-12-06 22:34:45,858 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-12-06 22:34:45,858 INFO L84 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 852 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. [2021-12-06 22:34:45,859 INFO L132 encePairwiseOnDemand]: 95/100 looper letters, 6 selfloop transitions, 4 changer transitions 3/91 dead transitions. [2021-12-06 22:34:45,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 91 transitions, 253 flow [2021-12-06 22:34:45,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:34:45,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 22:34:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 521 transitions. [2021-12-06 22:34:45,861 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8683333333333333 [2021-12-06 22:34:45,861 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 521 transitions. [2021-12-06 22:34:45,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 521 transitions. [2021-12-06 22:34:45,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:45,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 521 transitions. [2021-12-06 22:34:45,862 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) [2021-12-06 22:34:45,864 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) [2021-12-06 22:34:45,864 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) [2021-12-06 22:34:45,864 INFO L186 Difference]: Start difference. First operand has 95 places, 92 transitions, 235 flow. Second operand 6 states and 521 transitions. [2021-12-06 22:34:45,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 91 transitions, 253 flow [2021-12-06 22:34:45,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 91 transitions, 245 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 22:34:45,866 INFO L242 Difference]: Finished difference. Result has 97 places, 88 transitions, 221 flow [2021-12-06 22:34:45,866 INFO L317 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} [2021-12-06 22:34:45,867 INFO L334 CegarLoopForPetriNet]: 93 programPoint places, 4 predicate places. [2021-12-06 22:34:45,867 INFO L470 AbstractCegarLoop]: Abstraction has has 97 places, 88 transitions, 221 flow [2021-12-06 22:34:45,867 INFO L471 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) [2021-12-06 22:34:45,867 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:45,868 INFO L254 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] [2021-12-06 22:34:45,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:34:45,868 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-12-06 22:34:45,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:45,868 INFO L85 PathProgramCache]: Analyzing trace with hash 2130870175, now seen corresponding path program 1 times [2021-12-06 22:34:45,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:45,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6215702] [2021-12-06 22:34:45,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:45,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:45,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:45,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6215702] [2021-12-06 22:34:45,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6215702] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:45,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:45,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:34:45,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716488358] [2021-12-06 22:34:45,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:45,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:34:45,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:45,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:34:45,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:34:45,942 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 100 [2021-12-06 22:34:45,942 INFO L92 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) [2021-12-06 22:34:45,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:45,943 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 100 [2021-12-06 22:34:45,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:46,050 INFO L129 PetriNetUnfolder]: 30/390 cut-off events. [2021-12-06 22:34:46,050 INFO L130 PetriNetUnfolder]: For 23/24 co-relation queries the response was YES. [2021-12-06 22:34:46,051 INFO L84 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 1918 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. [2021-12-06 22:34:46,052 INFO L132 encePairwiseOnDemand]: 91/100 looper letters, 28 selfloop transitions, 12 changer transitions 3/103 dead transitions. [2021-12-06 22:34:46,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 103 transitions, 341 flow [2021-12-06 22:34:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:34:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-06 22:34:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 535 transitions. [2021-12-06 22:34:46,054 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7642857142857142 [2021-12-06 22:34:46,054 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 535 transitions. [2021-12-06 22:34:46,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 535 transitions. [2021-12-06 22:34:46,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:46,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 535 transitions. [2021-12-06 22:34:46,055 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) [2021-12-06 22:34:46,057 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) [2021-12-06 22:34:46,057 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) [2021-12-06 22:34:46,057 INFO L186 Difference]: Start difference. First operand has 97 places, 88 transitions, 221 flow. Second operand 7 states and 535 transitions. [2021-12-06 22:34:46,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 103 transitions, 341 flow [2021-12-06 22:34:46,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 103 transitions, 334 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 22:34:46,060 INFO L242 Difference]: Finished difference. Result has 103 places, 94 transitions, 281 flow [2021-12-06 22:34:46,060 INFO L317 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} [2021-12-06 22:34:46,061 INFO L334 CegarLoopForPetriNet]: 93 programPoint places, 10 predicate places. [2021-12-06 22:34:46,061 INFO L470 AbstractCegarLoop]: Abstraction has has 103 places, 94 transitions, 281 flow [2021-12-06 22:34:46,061 INFO L471 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) [2021-12-06 22:34:46,061 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:46,061 INFO L254 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] [2021-12-06 22:34:46,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:34:46,062 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-12-06 22:34:46,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:46,062 INFO L85 PathProgramCache]: Analyzing trace with hash 473871135, now seen corresponding path program 2 times [2021-12-06 22:34:46,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:46,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986430509] [2021-12-06 22:34:46,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:46,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:46,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:46,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986430509] [2021-12-06 22:34:46,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986430509] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:46,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:46,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:34:46,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976936040] [2021-12-06 22:34:46,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:46,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:34:46,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:46,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:34:46,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:34:46,099 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 100 [2021-12-06 22:34:46,099 INFO L92 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) [2021-12-06 22:34:46,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:46,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 100 [2021-12-06 22:34:46,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:46,160 INFO L129 PetriNetUnfolder]: 25/325 cut-off events. [2021-12-06 22:34:46,160 INFO L130 PetriNetUnfolder]: For 137/161 co-relation queries the response was YES. [2021-12-06 22:34:46,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 612 conditions, 325 events. 25/325 cut-off events. For 137/161 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1413 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. [2021-12-06 22:34:46,162 INFO L132 encePairwiseOnDemand]: 92/100 looper letters, 26 selfloop transitions, 14 changer transitions 3/109 dead transitions. [2021-12-06 22:34:46,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 109 transitions, 444 flow [2021-12-06 22:34:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:34:46,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-06 22:34:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 341 transitions. [2021-12-06 22:34:46,164 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8525 [2021-12-06 22:34:46,165 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 341 transitions. [2021-12-06 22:34:46,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 341 transitions. [2021-12-06 22:34:46,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:46,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 341 transitions. [2021-12-06 22:34:46,166 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) [2021-12-06 22:34:46,167 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) [2021-12-06 22:34:46,168 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) [2021-12-06 22:34:46,168 INFO L186 Difference]: Start difference. First operand has 103 places, 94 transitions, 281 flow. Second operand 4 states and 341 transitions. [2021-12-06 22:34:46,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 109 transitions, 444 flow [2021-12-06 22:34:46,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 109 transitions, 441 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 22:34:46,172 INFO L242 Difference]: Finished difference. Result has 107 places, 103 transitions, 401 flow [2021-12-06 22:34:46,172 INFO L317 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} [2021-12-06 22:34:46,173 INFO L334 CegarLoopForPetriNet]: 93 programPoint places, 14 predicate places. [2021-12-06 22:34:46,173 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 103 transitions, 401 flow [2021-12-06 22:34:46,174 INFO L471 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) [2021-12-06 22:34:46,174 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 22:34:46,174 INFO L254 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] [2021-12-06 22:34:46,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:34:46,174 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2021-12-06 22:34:46,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:46,175 INFO L85 PathProgramCache]: Analyzing trace with hash -917226423, now seen corresponding path program 3 times [2021-12-06 22:34:46,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:46,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115852418] [2021-12-06 22:34:46,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:46,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:46,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:34:46,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:46,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115852418] [2021-12-06 22:34:46,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115852418] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:46,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:46,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:34:46,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231525217] [2021-12-06 22:34:46,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:46,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:34:46,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:46,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:34:46,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:34:46,219 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 100 [2021-12-06 22:34:46,219 INFO L92 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) [2021-12-06 22:34:46,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 22:34:46,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 100 [2021-12-06 22:34:46,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 22:34:46,261 INFO L129 PetriNetUnfolder]: 22/202 cut-off events. [2021-12-06 22:34:46,262 INFO L130 PetriNetUnfolder]: For 274/339 co-relation queries the response was YES. [2021-12-06 22:34:46,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 202 events. 22/202 cut-off events. For 274/339 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 627 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. [2021-12-06 22:34:46,262 INFO L132 encePairwiseOnDemand]: 93/100 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2021-12-06 22:34:46,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 88 transitions, 456 flow [2021-12-06 22:34:46,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:34:46,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-06 22:34:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 333 transitions. [2021-12-06 22:34:46,264 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8325 [2021-12-06 22:34:46,264 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 333 transitions. [2021-12-06 22:34:46,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 333 transitions. [2021-12-06 22:34:46,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:34:46,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 333 transitions. [2021-12-06 22:34:46,265 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) [2021-12-06 22:34:46,266 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) [2021-12-06 22:34:46,266 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) [2021-12-06 22:34:46,266 INFO L186 Difference]: Start difference. First operand has 107 places, 103 transitions, 401 flow. Second operand 4 states and 333 transitions. [2021-12-06 22:34:46,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 88 transitions, 456 flow [2021-12-06 22:34:46,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 88 transitions, 427 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-12-06 22:34:46,269 INFO L242 Difference]: Finished difference. Result has 84 places, 0 transitions, 0 flow [2021-12-06 22:34:46,269 INFO L317 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} [2021-12-06 22:34:46,269 INFO L334 CegarLoopForPetriNet]: 93 programPoint places, -9 predicate places. [2021-12-06 22:34:46,269 INFO L470 AbstractCegarLoop]: Abstraction has has 84 places, 0 transitions, 0 flow [2021-12-06 22:34:46,270 INFO L471 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) [2021-12-06 22:34:46,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2021-12-06 22:34:46,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2021-12-06 22:34:46,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2021-12-06 22:34:46,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 12 remaining) [2021-12-06 22:34:46,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2021-12-06 22:34:46,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2021-12-06 22:34:46,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2021-12-06 22:34:46,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2021-12-06 22:34:46,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2021-12-06 22:34:46,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2021-12-06 22:34:46,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2021-12-06 22:34:46,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2021-12-06 22:34:46,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 22:34:46,276 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:34:46,279 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 22:34:46,279 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:34:46,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:34:46 BasicIcfg [2021-12-06 22:34:46,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:34:46,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:34:46,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:34:46,282 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:34:46,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:34:44" (3/4) ... [2021-12-06 22:34:46,285 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:34:46,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-12-06 22:34:46,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-06 22:34:46,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-06 22:34:46,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 22:34:46,316 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:34:46,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:34:46,317 INFO L158 Benchmark]: Toolchain (without parser) took 2505.24ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 57.6MB in the beginning and 63.9MB in the end (delta: -6.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-12-06 22:34:46,317 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:34:46,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.84ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 62.5MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 22:34:46,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.47ms. Allocated memory is still 96.5MB. Free memory was 62.5MB in the beginning and 60.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:34:46,318 INFO L158 Benchmark]: Boogie Preprocessor took 19.89ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 59.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:34:46,318 INFO L158 Benchmark]: RCFGBuilder took 319.42ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 45.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 22:34:46,318 INFO L158 Benchmark]: TraceAbstraction took 1708.66ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 45.6MB in the beginning and 67.1MB in the end (delta: -21.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-12-06 22:34:46,319 INFO L158 Benchmark]: Witness Printer took 34.15ms. Allocated memory is still 119.5MB. Free memory was 67.1MB in the beginning and 63.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 22:34:46,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.84ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 62.5MB in the end (delta: -5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.47ms. Allocated memory is still 96.5MB. Free memory was 62.5MB in the beginning and 60.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.89ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 59.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.42ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 45.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1708.66ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 45.6MB in the beginning and 67.1MB in the end (delta: -21.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Witness Printer took 34.15ms. Allocated memory is still 119.5MB. Free memory was 67.1MB in the beginning and 63.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 1.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 134 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 322 IncrementalHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 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, 0.1s 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 478 NumberOfCodeBlocks, 478 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 908 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! [2021-12-06 22:34:46,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08222045-b274-4284-b127-55a337c244a9/bin/uautomizer-DrprNOufMa/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