./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN --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 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:57:25,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:57:25,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:57:25,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:57:25,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:57:25,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:57:25,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:57:25,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:57:25,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:57:25,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:57:25,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:57:25,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:57:25,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:57:25,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:57:25,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:57:25,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:57:25,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:57:25,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:57:25,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:57:25,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:57:25,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:57:25,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:57:25,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:57:25,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:57:25,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:57:25,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:57:25,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:57:25,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:57:25,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:57:25,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:57:25,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:57:25,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:57:25,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:57:25,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:57:25,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:57:25,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:57:25,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:57:25,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:57:25,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:57:25,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:57:25,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:57:25,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:57:25,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:57:25,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:57:25,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:57:25,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:57:25,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:57:25,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:57:25,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:57:25,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:57:25,675 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:57:25,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:57:25,676 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:57:25,676 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:57:25,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:57:25,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:57:25,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:57:25,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:57:25,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:57:25,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:57:25,678 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:57:25,679 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:57:25,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:57:25,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:57:25,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:57:25,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:57:25,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:57:25,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:57:25,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:57:25,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:57:25,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:57:25,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:57:25,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:57:25,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:57:25,684 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:57:25,685 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:57:25,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:57:25,685 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_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb [2022-11-20 10:57:26,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:57:26,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:57:26,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:57:26,072 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:57:26,073 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:57:26,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2022-11-20 10:57:29,720 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:57:30,109 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:57:30,110 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2022-11-20 10:57:30,127 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/data/816850ffa/a6551cb54b12453294489e711c5b5d7b/FLAG2af4e175c [2022-11-20 10:57:30,145 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/data/816850ffa/a6551cb54b12453294489e711c5b5d7b [2022-11-20 10:57:30,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:57:30,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:57:30,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:57:30,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:57:30,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:57:30,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:30,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6be24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30, skipping insertion in model container [2022-11-20 10:57:30,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:30,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:57:30,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:57:30,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:57:30,819 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:57:30,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:57:30,930 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:57:30,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30 WrapperNode [2022-11-20 10:57:30,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:57:30,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:57:30,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:57:30,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:57:30,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:30,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:30,993 INFO L138 Inliner]: procedures = 266, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-11-20 10:57:30,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:57:30,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:57:30,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:57:30,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:57:31,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:31,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:31,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:31,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:31,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:31,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:31,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:31,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:31,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:57:31,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:57:31,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:57:31,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:57:31,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (1/1) ... [2022-11-20 10:57:31,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:57:31,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:57:31,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:57:31,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:57:31,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:57:31,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:57:31,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:57:31,123 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 10:57:31,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:57:31,123 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 10:57:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 10:57:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:57:31,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:57:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:57:31,126 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:57:31,380 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:57:31,382 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:57:31,671 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:57:31,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:57:31,684 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:57:31,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:57:31 BoogieIcfgContainer [2022-11-20 10:57:31,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:57:31,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:57:31,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:57:31,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:57:31,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:57:30" (1/3) ... [2022-11-20 10:57:31,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446ea371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:57:31, skipping insertion in model container [2022-11-20 10:57:31,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:57:30" (2/3) ... [2022-11-20 10:57:31,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446ea371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:57:31, skipping insertion in model container [2022-11-20 10:57:31,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:57:31" (3/3) ... [2022-11-20 10:57:31,701 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_17-ps_add1_nr.i [2022-11-20 10:57:31,725 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:57:31,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:57:31,737 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 10:57:31,738 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:57:31,815 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:57:31,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 84 transitions, 173 flow [2022-11-20 10:57:31,945 INFO L130 PetriNetUnfolder]: 4/83 cut-off events. [2022-11-20 10:57:31,946 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:57:31,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 83 events. 4/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 128 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2022-11-20 10:57:31,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 84 transitions, 173 flow [2022-11-20 10:57:31,958 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 83 transitions, 169 flow [2022-11-20 10:57:31,971 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:57:31,984 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@18c88cc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:57:31,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-20 10:57:32,001 INFO L130 PetriNetUnfolder]: 0/34 cut-off events. [2022-11-20 10:57:32,001 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:57:32,002 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:57:32,002 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:57:32,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:57:32,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:57:32,009 INFO L85 PathProgramCache]: Analyzing trace with hash 387498524, now seen corresponding path program 1 times [2022-11-20 10:57:32,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:57:32,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571850058] [2022-11-20 10:57:32,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:32,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:57:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:32,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:57:32,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:57:32,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571850058] [2022-11-20 10:57:32,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571850058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:57:32,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:57:32,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:57:32,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116021648] [2022-11-20 10:57:32,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:57:32,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:57:32,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:57:32,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:57:32,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:57:32,499 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 84 [2022-11-20 10:57:32,503 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 83 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:32,504 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:57:32,504 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 84 [2022-11-20 10:57:32,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:57:32,763 INFO L130 PetriNetUnfolder]: 46/278 cut-off events. [2022-11-20 10:57:32,763 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 10:57:32,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 278 events. 46/278 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1106 event pairs, 15 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 344. Up to 54 conditions per place. [2022-11-20 10:57:32,768 INFO L137 encePairwiseOnDemand]: 76/84 looper letters, 17 selfloop transitions, 6 changer transitions 0/93 dead transitions. [2022-11-20 10:57:32,768 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 93 transitions, 235 flow [2022-11-20 10:57:32,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:57:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:57:32,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions. [2022-11-20 10:57:32,793 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9444444444444444 [2022-11-20 10:57:32,794 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 238 transitions. [2022-11-20 10:57:32,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 238 transitions. [2022-11-20 10:57:32,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:57:32,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 238 transitions. [2022-11-20 10:57:32,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:32,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:32,817 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:32,819 INFO L175 Difference]: Start difference. First operand has 83 places, 83 transitions, 169 flow. Second operand 3 states and 238 transitions. [2022-11-20 10:57:32,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 93 transitions, 235 flow [2022-11-20 10:57:32,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 93 transitions, 234 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:57:32,832 INFO L231 Difference]: Finished difference. Result has 86 places, 89 transitions, 220 flow [2022-11-20 10:57:32,835 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=86, PETRI_TRANSITIONS=89} [2022-11-20 10:57:32,844 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 3 predicate places. [2022-11-20 10:57:32,844 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 89 transitions, 220 flow [2022-11-20 10:57:32,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:32,845 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:57:32,845 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:57:32,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:57:32,847 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:57:32,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:57:32,849 INFO L85 PathProgramCache]: Analyzing trace with hash -531782206, now seen corresponding path program 1 times [2022-11-20 10:57:32,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:57:32,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670348745] [2022-11-20 10:57:32,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:32,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:57:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:57:32,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:57:32,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670348745] [2022-11-20 10:57:32,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670348745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:57:32,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:57:32,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:57:32,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065653917] [2022-11-20 10:57:32,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:57:32,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:57:32,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:57:32,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:57:32,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:57:32,986 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 84 [2022-11-20 10:57:32,986 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 89 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:32,987 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:57:32,987 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 84 [2022-11-20 10:57:32,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:57:33,109 INFO L130 PetriNetUnfolder]: 68/378 cut-off events. [2022-11-20 10:57:33,109 INFO L131 PetriNetUnfolder]: For 90/110 co-relation queries the response was YES. [2022-11-20 10:57:33,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 378 events. 68/378 cut-off events. For 90/110 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1817 event pairs, 20 based on Foata normal form. 3/342 useless extension candidates. Maximal degree in co-relation 577. Up to 102 conditions per place. [2022-11-20 10:57:33,116 INFO L137 encePairwiseOnDemand]: 78/84 looper letters, 23 selfloop transitions, 7 changer transitions 6/99 dead transitions. [2022-11-20 10:57:33,117 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 99 transitions, 320 flow [2022-11-20 10:57:33,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:57:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:57:33,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2022-11-20 10:57:33,121 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2022-11-20 10:57:33,122 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 231 transitions. [2022-11-20 10:57:33,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 231 transitions. [2022-11-20 10:57:33,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:57:33,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 231 transitions. [2022-11-20 10:57:33,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,125 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,126 INFO L175 Difference]: Start difference. First operand has 86 places, 89 transitions, 220 flow. Second operand 3 states and 231 transitions. [2022-11-20 10:57:33,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 99 transitions, 320 flow [2022-11-20 10:57:33,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 99 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:57:33,133 INFO L231 Difference]: Finished difference. Result has 88 places, 89 transitions, 254 flow [2022-11-20 10:57:33,134 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=88, PETRI_TRANSITIONS=89} [2022-11-20 10:57:33,135 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 5 predicate places. [2022-11-20 10:57:33,135 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 89 transitions, 254 flow [2022-11-20 10:57:33,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,136 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:57:33,137 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:57:33,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:57:33,138 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:57:33,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:57:33,140 INFO L85 PathProgramCache]: Analyzing trace with hash -456013539, now seen corresponding path program 1 times [2022-11-20 10:57:33,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:57:33,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074209815] [2022-11-20 10:57:33,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:33,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:57:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:57:33,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:57:33,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074209815] [2022-11-20 10:57:33,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074209815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:57:33,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:57:33,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:57:33,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762865171] [2022-11-20 10:57:33,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:57:33,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:57:33,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:57:33,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:57:33,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:57:33,253 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 84 [2022-11-20 10:57:33,254 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 89 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,254 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:57:33,254 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 84 [2022-11-20 10:57:33,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:57:33,359 INFO L130 PetriNetUnfolder]: 65/345 cut-off events. [2022-11-20 10:57:33,359 INFO L131 PetriNetUnfolder]: For 155/174 co-relation queries the response was YES. [2022-11-20 10:57:33,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 345 events. 65/345 cut-off events. For 155/174 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1627 event pairs, 16 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 618. Up to 99 conditions per place. [2022-11-20 10:57:33,363 INFO L137 encePairwiseOnDemand]: 78/84 looper letters, 27 selfloop transitions, 8 changer transitions 3/100 dead transitions. [2022-11-20 10:57:33,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 100 transitions, 378 flow [2022-11-20 10:57:33,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:57:33,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:57:33,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 229 transitions. [2022-11-20 10:57:33,366 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9087301587301587 [2022-11-20 10:57:33,366 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 229 transitions. [2022-11-20 10:57:33,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 229 transitions. [2022-11-20 10:57:33,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:57:33,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 229 transitions. [2022-11-20 10:57:33,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,370 INFO L175 Difference]: Start difference. First operand has 88 places, 89 transitions, 254 flow. Second operand 3 states and 229 transitions. [2022-11-20 10:57:33,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 100 transitions, 378 flow [2022-11-20 10:57:33,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 100 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:57:33,376 INFO L231 Difference]: Finished difference. Result has 87 places, 91 transitions, 286 flow [2022-11-20 10:57:33,376 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=87, PETRI_TRANSITIONS=91} [2022-11-20 10:57:33,377 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 4 predicate places. [2022-11-20 10:57:33,377 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 91 transitions, 286 flow [2022-11-20 10:57:33,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,378 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:57:33,378 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:57:33,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:57:33,379 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:57:33,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:57:33,379 INFO L85 PathProgramCache]: Analyzing trace with hash -13485870, now seen corresponding path program 1 times [2022-11-20 10:57:33,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:57:33,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393457337] [2022-11-20 10:57:33,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:33,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:57:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:57:33,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:57:33,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393457337] [2022-11-20 10:57:33,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393457337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:57:33,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:57:33,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:57:33,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229733845] [2022-11-20 10:57:33,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:57:33,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:57:33,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:57:33,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:57:33,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:57:33,590 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 84 [2022-11-20 10:57:33,590 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 91 transitions, 286 flow. Second operand has 5 states, 5 states have (on average 69.8) internal successors, (349), 5 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,591 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:57:33,591 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 84 [2022-11-20 10:57:33,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:57:33,739 INFO L130 PetriNetUnfolder]: 25/304 cut-off events. [2022-11-20 10:57:33,739 INFO L131 PetriNetUnfolder]: For 132/135 co-relation queries the response was YES. [2022-11-20 10:57:33,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 304 events. 25/304 cut-off events. For 132/135 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1474 event pairs, 4 based on Foata normal form. 1/288 useless extension candidates. Maximal degree in co-relation 492. Up to 30 conditions per place. [2022-11-20 10:57:33,742 INFO L137 encePairwiseOnDemand]: 78/84 looper letters, 12 selfloop transitions, 1 changer transitions 7/94 dead transitions. [2022-11-20 10:57:33,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 94 transitions, 326 flow [2022-11-20 10:57:33,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:57:33,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 10:57:33,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 426 transitions. [2022-11-20 10:57:33,746 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8452380952380952 [2022-11-20 10:57:33,746 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 426 transitions. [2022-11-20 10:57:33,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 426 transitions. [2022-11-20 10:57:33,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:57:33,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 426 transitions. [2022-11-20 10:57:33,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 71.0) internal successors, (426), 6 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 84.0) internal successors, (588), 7 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,754 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 84.0) internal successors, (588), 7 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,755 INFO L175 Difference]: Start difference. First operand has 87 places, 91 transitions, 286 flow. Second operand 6 states and 426 transitions. [2022-11-20 10:57:33,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 94 transitions, 326 flow [2022-11-20 10:57:33,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 94 transitions, 310 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:57:33,765 INFO L231 Difference]: Finished difference. Result has 94 places, 87 transitions, 267 flow [2022-11-20 10:57:33,765 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=267, PETRI_PLACES=94, PETRI_TRANSITIONS=87} [2022-11-20 10:57:33,766 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 11 predicate places. [2022-11-20 10:57:33,766 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 87 transitions, 267 flow [2022-11-20 10:57:33,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.8) internal successors, (349), 5 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:33,767 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:57:33,767 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:57:33,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:57:33,768 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-20 10:57:33,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:57:33,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1102488508, now seen corresponding path program 1 times [2022-11-20 10:57:33,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:57:33,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172743180] [2022-11-20 10:57:33,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:57:33,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:57:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:57:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:57:34,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:57:34,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172743180] [2022-11-20 10:57:34,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172743180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:57:34,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:57:34,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:57:34,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750582486] [2022-11-20 10:57:34,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:57:34,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:57:34,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:57:34,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:57:34,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:57:34,058 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 84 [2022-11-20 10:57:34,058 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 87 transitions, 267 flow. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:34,059 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:57:34,059 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 84 [2022-11-20 10:57:34,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:57:34,113 INFO L130 PetriNetUnfolder]: 1/122 cut-off events. [2022-11-20 10:57:34,114 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-11-20 10:57:34,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 122 events. 1/122 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 150 event pairs, 1 based on Foata normal form. 2/124 useless extension candidates. Maximal degree in co-relation 165. Up to 12 conditions per place. [2022-11-20 10:57:34,114 INFO L137 encePairwiseOnDemand]: 80/84 looper letters, 0 selfloop transitions, 0 changer transitions 73/73 dead transitions. [2022-11-20 10:57:34,115 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 73 transitions, 213 flow [2022-11-20 10:57:34,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:57:34,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:57:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2022-11-20 10:57:34,116 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9206349206349206 [2022-11-20 10:57:34,117 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 232 transitions. [2022-11-20 10:57:34,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 232 transitions. [2022-11-20 10:57:34,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:57:34,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 232 transitions. [2022-11-20 10:57:34,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:34,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:34,120 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:34,120 INFO L175 Difference]: Start difference. First operand has 94 places, 87 transitions, 267 flow. Second operand 3 states and 232 transitions. [2022-11-20 10:57:34,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 73 transitions, 213 flow [2022-11-20 10:57:34,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 73 transitions, 171 flow, removed 12 selfloop flow, removed 11 redundant places. [2022-11-20 10:57:34,125 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2022-11-20 10:57:34,126 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2022-11-20 10:57:34,130 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -5 predicate places. [2022-11-20 10:57:34,130 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2022-11-20 10:57:34,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:57:34,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-20 10:57:34,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-20 10:57:34,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-20 10:57:34,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-20 10:57:34,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-20 10:57:34,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-20 10:57:34,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-20 10:57:34,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:57:34,137 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 10:57:34,149 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 10:57:34,150 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:57:34,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:57:34 BasicIcfg [2022-11-20 10:57:34,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:57:34,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:57:34,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:57:34,167 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:57:34,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:57:31" (3/4) ... [2022-11-20 10:57:34,178 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:57:34,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-20 10:57:34,193 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 10:57:34,193 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 10:57:34,194 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:57:34,252 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:57:34,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:57:34,253 INFO L158 Benchmark]: Toolchain (without parser) took 4094.60ms. Allocated memory is still 184.5MB. Free memory was 152.5MB in the beginning and 124.3MB in the end (delta: 28.1MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-11-20 10:57:34,253 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:57:34,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.70ms. Allocated memory is still 184.5MB. Free memory was 152.5MB in the beginning and 125.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 10:57:34,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.69ms. Allocated memory is still 184.5MB. Free memory was 125.2MB in the beginning and 122.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:57:34,254 INFO L158 Benchmark]: Boogie Preprocessor took 30.58ms. Allocated memory is still 184.5MB. Free memory was 122.3MB in the beginning and 121.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:57:34,261 INFO L158 Benchmark]: RCFGBuilder took 661.83ms. Allocated memory is still 184.5MB. Free memory was 121.0MB in the beginning and 108.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:57:34,261 INFO L158 Benchmark]: TraceAbstraction took 2471.59ms. Allocated memory is still 184.5MB. Free memory was 107.6MB in the beginning and 127.5MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:57:34,262 INFO L158 Benchmark]: Witness Printer took 87.58ms. Allocated memory is still 184.5MB. Free memory was 127.5MB in the beginning and 124.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:57:34,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.70ms. Allocated memory is still 184.5MB. Free memory was 152.5MB in the beginning and 125.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.69ms. Allocated memory is still 184.5MB. Free memory was 125.2MB in the beginning and 122.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.58ms. Allocated memory is still 184.5MB. Free memory was 122.3MB in the beginning and 121.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 661.83ms. Allocated memory is still 184.5MB. Free memory was 121.0MB in the beginning and 108.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2471.59ms. Allocated memory is still 184.5MB. Free memory was 107.6MB in the beginning and 127.5MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 87.58ms. Allocated memory is still 184.5MB. Free memory was 127.5MB in the beginning and 124.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: 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, 100 locations, 7 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: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 103 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 60 mSDtfsCounter, 103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 10:57:34,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5da8d7bb-a607-4aa2-80ff-58c830c4e37e/bin/uautomizer-ug76WZFUDN/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