./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:43:34,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:43:34,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:43:34,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:43:34,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:43:34,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:43:34,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:43:34,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:43:34,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:43:34,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:43:34,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:43:34,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:43:34,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:43:34,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:43:34,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:43:34,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:43:34,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:43:34,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:43:34,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:43:34,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:43:34,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:43:34,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:43:34,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:43:34,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:43:34,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:43:34,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:43:34,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:43:34,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:43:34,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:43:34,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:43:34,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:43:34,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:43:34,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:43:34,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:43:34,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:43:34,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:43:34,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:43:34,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:43:34,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:43:34,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:43:34,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:43:34,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:43:34,742 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:43:34,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:43:34,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:43:34,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:43:34,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:43:34,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:43:34,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:43:34,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:43:34,744 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:43:34,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:43:34,745 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:43:34,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:43:34,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:43:34,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:43:34,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:43:34,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:43:34,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:43:34,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:43:34,746 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:43:34,746 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:43:34,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:43:34,750 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:43:34,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:43:34,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:43:34,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:43:34,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:43:34,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:34,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:43:34,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:43:34,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:43:34,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:43:34,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:43:34,756 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:43:34,756 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:43:34,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:43:34,756 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_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a [2022-11-16 12:43:35,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:43:35,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:43:35,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:43:35,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:43:35,137 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:43:35,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2022-11-16 12:43:35,204 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/data/e37133653/96b618f4dbe541849cd467261317ce75/FLAG70bbee240 [2022-11-16 12:43:35,813 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:43:35,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2022-11-16 12:43:35,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/data/e37133653/96b618f4dbe541849cd467261317ce75/FLAG70bbee240 [2022-11-16 12:43:36,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/data/e37133653/96b618f4dbe541849cd467261317ce75 [2022-11-16 12:43:36,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:43:36,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:43:36,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:36,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:43:36,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:43:36,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693b6bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36, skipping insertion in model container [2022-11-16 12:43:36,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:43:36,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:43:36,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:36,575 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:43:36,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:43:36,672 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:43:36,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36 WrapperNode [2022-11-16 12:43:36,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:43:36,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:36,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:43:36,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:43:36,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,744 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2022-11-16 12:43:36,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:43:36,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:43:36,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:43:36,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:43:36,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,773 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:43:36,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:43:36,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:43:36,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:43:36,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (1/1) ... [2022-11-16 12:43:36,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:43:36,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:43:36,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:43:36,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:43:36,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:43:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:43:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:43:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:43:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 12:43:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:43:36,875 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 12:43:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 12:43:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:43:36,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:43:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:43:36,877 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:43:37,013 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:43:37,015 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:43:37,373 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:43:37,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:43:37,381 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:43:37,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:37 BoogieIcfgContainer [2022-11-16 12:43:37,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:43:37,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:43:37,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:43:37,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:43:37,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:43:36" (1/3) ... [2022-11-16 12:43:37,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2e585f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:37, skipping insertion in model container [2022-11-16 12:43:37,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:43:36" (2/3) ... [2022-11-16 12:43:37,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2e585f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:43:37, skipping insertion in model container [2022-11-16 12:43:37,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:37" (3/3) ... [2022-11-16 12:43:37,404 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2022-11-16 12:43:37,416 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:43:37,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:43:37,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-16 12:43:37,427 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:43:37,533 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 12:43:37,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 216 flow [2022-11-16 12:43:37,649 INFO L130 PetriNetUnfolder]: 0/103 cut-off events. [2022-11-16 12:43:37,649 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:43:37,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 0/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-16 12:43:37,653 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 104 transitions, 216 flow [2022-11-16 12:43:37,657 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 95 transitions, 193 flow [2022-11-16 12:43:37,667 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:43:37,674 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;@2710d053, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:43:37,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-16 12:43:37,691 INFO L130 PetriNetUnfolder]: 0/57 cut-off events. [2022-11-16 12:43:37,692 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:43:37,692 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:37,693 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] [2022-11-16 12:43:37,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:43:37,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:37,699 INFO L85 PathProgramCache]: Analyzing trace with hash 279138428, now seen corresponding path program 1 times [2022-11-16 12:43:37,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:37,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171148144] [2022-11-16 12:43:37,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:37,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:38,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:38,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171148144] [2022-11-16 12:43:38,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171148144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:38,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:38,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:43:38,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807492371] [2022-11-16 12:43:38,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:38,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:38,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:38,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:38,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:38,796 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 104 [2022-11-16 12:43:38,800 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 193 flow. Second operand has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:38,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:38,801 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 104 [2022-11-16 12:43:38,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:39,366 INFO L130 PetriNetUnfolder]: 347/959 cut-off events. [2022-11-16 12:43:39,367 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:43:39,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1699 conditions, 959 events. 347/959 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5376 event pairs, 170 based on Foata normal form. 0/859 useless extension candidates. Maximal degree in co-relation 1662. Up to 526 conditions per place. [2022-11-16 12:43:39,385 INFO L137 encePairwiseOnDemand]: 93/104 looper letters, 91 selfloop transitions, 22 changer transitions 0/173 dead transitions. [2022-11-16 12:43:39,385 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 173 transitions, 575 flow [2022-11-16 12:43:39,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:43:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:43:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 522 transitions. [2022-11-16 12:43:39,415 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8365384615384616 [2022-11-16 12:43:39,416 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 522 transitions. [2022-11-16 12:43:39,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 522 transitions. [2022-11-16 12:43:39,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:39,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 522 transitions. [2022-11-16 12:43:39,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 87.0) internal successors, (522), 6 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:39,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:39,439 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:39,441 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 193 flow. Second operand 6 states and 522 transitions. [2022-11-16 12:43:39,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 173 transitions, 575 flow [2022-11-16 12:43:39,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 173 transitions, 574 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:43:39,457 INFO L231 Difference]: Finished difference. Result has 108 places, 116 transitions, 342 flow [2022-11-16 12:43:39,459 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=342, PETRI_PLACES=108, PETRI_TRANSITIONS=116} [2022-11-16 12:43:39,465 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 9 predicate places. [2022-11-16 12:43:39,466 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 116 transitions, 342 flow [2022-11-16 12:43:39,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:39,467 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:39,467 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:39,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:43:39,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:43:39,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:39,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1107942548, now seen corresponding path program 1 times [2022-11-16 12:43:39,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:39,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745807100] [2022-11-16 12:43:39,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:39,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:39,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:39,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:39,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745807100] [2022-11-16 12:43:39,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745807100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:39,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:39,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:43:39,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535760666] [2022-11-16 12:43:39,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:39,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:39,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:39,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:39,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:39,865 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 104 [2022-11-16 12:43:39,866 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 116 transitions, 342 flow. Second operand has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:39,866 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:39,866 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 104 [2022-11-16 12:43:39,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:40,338 INFO L130 PetriNetUnfolder]: 332/956 cut-off events. [2022-11-16 12:43:40,339 INFO L131 PetriNetUnfolder]: For 394/400 co-relation queries the response was YES. [2022-11-16 12:43:40,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2093 conditions, 956 events. 332/956 cut-off events. For 394/400 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 5436 event pairs, 155 based on Foata normal form. 0/879 useless extension candidates. Maximal degree in co-relation 2052. Up to 591 conditions per place. [2022-11-16 12:43:40,351 INFO L137 encePairwiseOnDemand]: 93/104 looper letters, 80 selfloop transitions, 26 changer transitions 0/166 dead transitions. [2022-11-16 12:43:40,352 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 166 transitions, 744 flow [2022-11-16 12:43:40,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:43:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:43:40,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 494 transitions. [2022-11-16 12:43:40,354 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7916666666666666 [2022-11-16 12:43:40,354 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 494 transitions. [2022-11-16 12:43:40,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 494 transitions. [2022-11-16 12:43:40,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:40,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 494 transitions. [2022-11-16 12:43:40,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:40,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:40,358 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:40,358 INFO L175 Difference]: Start difference. First operand has 108 places, 116 transitions, 342 flow. Second operand 6 states and 494 transitions. [2022-11-16 12:43:40,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 166 transitions, 744 flow [2022-11-16 12:43:40,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 166 transitions, 744 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 12:43:40,368 INFO L231 Difference]: Finished difference. Result has 118 places, 137 transitions, 526 flow [2022-11-16 12:43:40,368 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=526, PETRI_PLACES=118, PETRI_TRANSITIONS=137} [2022-11-16 12:43:40,369 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 19 predicate places. [2022-11-16 12:43:40,369 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 137 transitions, 526 flow [2022-11-16 12:43:40,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:40,370 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:40,370 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:40,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:43:40,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:43:40,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:40,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1511989817, now seen corresponding path program 1 times [2022-11-16 12:43:40,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:40,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046487672] [2022-11-16 12:43:40,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:40,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:40,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:40,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046487672] [2022-11-16 12:43:40,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046487672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:40,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:40,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:43:40,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867333963] [2022-11-16 12:43:40,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:40,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:40,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:40,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:40,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:40,799 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 104 [2022-11-16 12:43:40,800 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 137 transitions, 526 flow. Second operand has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:40,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:40,800 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 104 [2022-11-16 12:43:40,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:41,323 INFO L130 PetriNetUnfolder]: 502/1322 cut-off events. [2022-11-16 12:43:41,324 INFO L131 PetriNetUnfolder]: For 781/787 co-relation queries the response was YES. [2022-11-16 12:43:41,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3291 conditions, 1322 events. 502/1322 cut-off events. For 781/787 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 7787 event pairs, 196 based on Foata normal form. 0/1227 useless extension candidates. Maximal degree in co-relation 3245. Up to 895 conditions per place. [2022-11-16 12:43:41,335 INFO L137 encePairwiseOnDemand]: 85/104 looper letters, 94 selfloop transitions, 69 changer transitions 4/225 dead transitions. [2022-11-16 12:43:41,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 225 transitions, 1196 flow [2022-11-16 12:43:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:43:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:43:41,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 511 transitions. [2022-11-16 12:43:41,337 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8189102564102564 [2022-11-16 12:43:41,338 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 511 transitions. [2022-11-16 12:43:41,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 511 transitions. [2022-11-16 12:43:41,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:41,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 511 transitions. [2022-11-16 12:43:41,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:41,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:41,344 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:41,344 INFO L175 Difference]: Start difference. First operand has 118 places, 137 transitions, 526 flow. Second operand 6 states and 511 transitions. [2022-11-16 12:43:41,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 225 transitions, 1196 flow [2022-11-16 12:43:41,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 225 transitions, 1196 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 12:43:41,379 INFO L231 Difference]: Finished difference. Result has 128 places, 200 transitions, 1112 flow [2022-11-16 12:43:41,380 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1112, PETRI_PLACES=128, PETRI_TRANSITIONS=200} [2022-11-16 12:43:41,382 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 29 predicate places. [2022-11-16 12:43:41,383 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 200 transitions, 1112 flow [2022-11-16 12:43:41,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:41,383 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:41,383 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:41,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:43:41,384 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:43:41,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:41,385 INFO L85 PathProgramCache]: Analyzing trace with hash -195917845, now seen corresponding path program 1 times [2022-11-16 12:43:41,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:41,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850818217] [2022-11-16 12:43:41,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:41,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:43:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:43:41,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:43:41,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850818217] [2022-11-16 12:43:41,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850818217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:43:41,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:43:41,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:43:41,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607914168] [2022-11-16 12:43:41,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:43:41,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:43:41,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:43:41,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:43:41,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:43:41,726 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 104 [2022-11-16 12:43:41,727 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 200 transitions, 1112 flow. Second operand has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:41,727 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:43:41,727 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 104 [2022-11-16 12:43:41,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:43:42,168 INFO L130 PetriNetUnfolder]: 545/1419 cut-off events. [2022-11-16 12:43:42,168 INFO L131 PetriNetUnfolder]: For 1834/1845 co-relation queries the response was YES. [2022-11-16 12:43:42,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4541 conditions, 1419 events. 545/1419 cut-off events. For 1834/1845 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 8609 event pairs, 155 based on Foata normal form. 0/1365 useless extension candidates. Maximal degree in co-relation 4490. Up to 995 conditions per place. [2022-11-16 12:43:42,181 INFO L137 encePairwiseOnDemand]: 89/104 looper letters, 145 selfloop transitions, 67 changer transitions 0/271 dead transitions. [2022-11-16 12:43:42,181 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 271 transitions, 1954 flow [2022-11-16 12:43:42,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:43:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:43:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 487 transitions. [2022-11-16 12:43:42,183 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.780448717948718 [2022-11-16 12:43:42,183 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 487 transitions. [2022-11-16 12:43:42,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 487 transitions. [2022-11-16 12:43:42,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:43:42,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 487 transitions. [2022-11-16 12:43:42,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:42,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:42,187 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:42,187 INFO L175 Difference]: Start difference. First operand has 128 places, 200 transitions, 1112 flow. Second operand 6 states and 487 transitions. [2022-11-16 12:43:42,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 271 transitions, 1954 flow [2022-11-16 12:43:42,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 271 transitions, 1890 flow, removed 32 selfloop flow, removed 0 redundant places. [2022-11-16 12:43:42,206 INFO L231 Difference]: Finished difference. Result has 138 places, 253 transitions, 1700 flow [2022-11-16 12:43:42,207 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1700, PETRI_PLACES=138, PETRI_TRANSITIONS=253} [2022-11-16 12:43:42,208 INFO L288 CegarLoopForPetriNet]: 99 programPoint places, 39 predicate places. [2022-11-16 12:43:42,208 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 253 transitions, 1700 flow [2022-11-16 12:43:42,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:42,208 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:43:42,209 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:43:42,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:43:42,209 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-16 12:43:42,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:43:42,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1233384212, now seen corresponding path program 1 times [2022-11-16 12:43:42,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:43:42,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579782769] [2022-11-16 12:43:42,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:43:42,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:43:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:42,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:43:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:43:42,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:43:42,274 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:43:42,275 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-16 12:43:42,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-16 12:43:42,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-16 12:43:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-16 12:43:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-16 12:43:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-16 12:43:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-16 12:43:42,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-16 12:43:42,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:43:42,279 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:43:42,286 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:43:42,286 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:43:42,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:43:42 BasicIcfg [2022-11-16 12:43:42,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:43:42,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:43:42,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:43:42,345 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:43:42,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:43:37" (3/4) ... [2022-11-16 12:43:42,348 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:43:42,348 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:43:42,349 INFO L158 Benchmark]: Toolchain (without parser) took 6294.33ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 81.6MB in the beginning and 57.6MB in the end (delta: 24.0MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2022-11-16 12:43:42,350 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:43:42,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.03ms. Allocated memory is still 121.6MB. Free memory was 81.4MB in the beginning and 79.5MB in the end (delta: 1.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:43:42,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.45ms. Allocated memory is still 121.6MB. Free memory was 79.5MB in the beginning and 77.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:42,351 INFO L158 Benchmark]: Boogie Preprocessor took 32.87ms. Allocated memory is still 121.6MB. Free memory was 77.0MB in the beginning and 74.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:42,351 INFO L158 Benchmark]: RCFGBuilder took 605.08ms. Allocated memory is still 121.6MB. Free memory was 74.9MB in the beginning and 58.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:43:42,352 INFO L158 Benchmark]: TraceAbstraction took 4953.96ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: -14.4kB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2022-11-16 12:43:42,352 INFO L158 Benchmark]: Witness Printer took 8.70ms. Allocated memory is still 188.7MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:43:42,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.03ms. Allocated memory is still 121.6MB. Free memory was 81.4MB in the beginning and 79.5MB in the end (delta: 1.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.45ms. Allocated memory is still 121.6MB. Free memory was 79.5MB in the beginning and 77.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.87ms. Allocated memory is still 121.6MB. Free memory was 77.0MB in the beginning and 74.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.08ms. Allocated memory is still 121.6MB. Free memory was 74.9MB in the beginning and 58.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4953.96ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: -14.4kB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Witness Printer took 8.70ms. Allocated memory is still 188.7MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal1; VAL [myglobal1={1:0}] [L918] 0 int myglobal2; VAL [myglobal1={1:0}, myglobal2=0] [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex2={2:0}, myglobal1={1:0}, myglobal2=0] [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0] [L931] 0 pthread_t id; VAL [id={5:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L927] CALL 1 munge(&mutex1, &myglobal1) [L923] EXPR 1 \read(*v) VAL [\read(*v)=0, m={3:0}, m={3:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] EXPR 1 *v+1 VAL [\read(*v)=0, m={3:0}, m={3:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L933] CALL 0 munge(&mutex2,&myglobal1) [L923] EXPR 0 \read(*v) VAL [\read(*v)=0, \read(*v)=0, m={3:0}, m={2:0}, m={3:0}, m={2:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 0 *v+1 VAL [\read(*v)=0, \read(*v)=0, m={2:0}, m={3:0}, m={3:0}, m={2:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 1 *v=*v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=0, m={2:0}, m={3:0}, m={3:0}, m={2:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 0 *v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=0, m={2:0}, m={3:0}, m={3:0}, m={2:0}, mutex1={3:0}, mutex2={2:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] Now there is a data race (on the heap) between C: *v=*v+1 [923] and C: *v+1 [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 136 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 877 IncrementalHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 118 mSDtfsCounter, 877 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1700occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:43:42,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4733942a-a8f7-4a88-a319-ca6a161938db/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE