./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_06-ps_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_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/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_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/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_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/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 c11b7127fb2beec6d5e726c9468c73fdf6ccc05ef40eceb17d287e75d34e535a --- 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 12:26:40,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:26:40,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:26:40,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:26:40,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:26:40,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:26:40,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:26:40,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:26:40,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:26:40,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:26:40,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:26:40,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:26:40,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:26:40,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:26:40,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:26:40,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:26:40,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:26:40,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:26:40,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:26:40,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:26:40,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:26:40,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:26:40,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:26:40,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:26:40,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:26:40,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:26:40,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:26:40,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:26:40,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:26:40,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:26:40,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:26:40,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:26:40,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:26:40,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:26:40,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:26:40,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:26:40,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:26:40,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:26:40,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:26:40,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:26:40,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:26:40,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:26:40,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:26:40,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:26:40,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:26:40,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:26:40,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:26:40,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:26:40,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:26:40,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:26:40,976 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:26:40,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:26:40,978 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:26:40,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:26:40,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:26:40,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:26:40,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:26:40,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:26:40,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:26:40,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:26:40,980 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:26:40,980 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:26:40,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:26:40,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:26:40,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:26:40,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:26:40,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:26:40,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:26:40,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:26:40,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:26:40,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:26:40,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:26:40,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:26:40,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:26:40,985 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:26:40,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:26:40,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:26:40,986 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_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c11b7127fb2beec6d5e726c9468c73fdf6ccc05ef40eceb17d287e75d34e535a [2022-11-16 12:26:41,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:26:41,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:26:41,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:26:41,323 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:26:41,324 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:26:41,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i [2022-11-16 12:26:41,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/data/85f0458a0/e8b3e6b35c364524ae03ee730772b73d/FLAG5388ec3f2 [2022-11-16 12:26:41,980 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:26:41,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i [2022-11-16 12:26:41,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/data/85f0458a0/e8b3e6b35c364524ae03ee730772b73d/FLAG5388ec3f2 [2022-11-16 12:26:42,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/data/85f0458a0/e8b3e6b35c364524ae03ee730772b73d [2022-11-16 12:26:42,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:26:42,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:26:42,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:26:42,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:26:42,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:26:42,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:42" (1/1) ... [2022-11-16 12:26:42,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7646a801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:42, skipping insertion in model container [2022-11-16 12:26:42,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:42" (1/1) ... [2022-11-16 12:26:42,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:26:42,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:26:42,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:26:42,896 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:26:42,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:26:43,033 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:26:43,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43 WrapperNode [2022-11-16 12:26:43,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:26:43,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:26:43,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:26:43,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:26:43,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,103 INFO L138 Inliner]: procedures = 266, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-11-16 12:26:43,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:26:43,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:26:43,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:26:43,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:26:43,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,125 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:26:43,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:26:43,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:26:43,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:26:43,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (1/1) ... [2022-11-16 12:26:43,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:26:43,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:43,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:43,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:26:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:26:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:26:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:26:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 12:26:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:26:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 12:26:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 12:26:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:26:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:26:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:26:43,227 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 12:26:43,357 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:26:43,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:26:43,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:26:43,563 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:26:43,563 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:26:43,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:43 BoogieIcfgContainer [2022-11-16 12:26:43,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:26:43,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:26:43,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:26:43,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:26:43,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:26:42" (1/3) ... [2022-11-16 12:26:43,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499760a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:43, skipping insertion in model container [2022-11-16 12:26:43,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:43" (2/3) ... [2022-11-16 12:26:43,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499760a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:43, skipping insertion in model container [2022-11-16 12:26:43,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:43" (3/3) ... [2022-11-16 12:26:43,578 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_06-ps_rc.i [2022-11-16 12:26:43,593 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:26:43,603 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:26:43,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 12:26:43,603 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:26:43,689 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 12:26:43,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 83 transitions, 171 flow [2022-11-16 12:26:43,838 INFO L130 PetriNetUnfolder]: 3/82 cut-off events. [2022-11-16 12:26:43,838 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:26:43,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 3/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 100 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-11-16 12:26:43,855 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 83 transitions, 171 flow [2022-11-16 12:26:43,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 82 transitions, 167 flow [2022-11-16 12:26:43,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:26:43,893 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;@2034bc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:26:43,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-16 12:26:43,938 INFO L130 PetriNetUnfolder]: 1/46 cut-off events. [2022-11-16 12:26:43,939 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:26:43,939 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:43,940 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:26:43,941 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)] === [2022-11-16 12:26:43,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:43,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1641404404, now seen corresponding path program 1 times [2022-11-16 12:26:43,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:43,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142952493] [2022-11-16 12:26:43,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:43,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:44,236 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 12:26:44,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:44,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142952493] [2022-11-16 12:26:44,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142952493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:44,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:44,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:44,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995075213] [2022-11-16 12:26:44,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:44,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:44,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:44,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:44,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:44,307 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 83 [2022-11-16 12:26:44,310 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 82 transitions, 167 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) [2022-11-16 12:26:44,311 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:44,311 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 83 [2022-11-16 12:26:44,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:44,481 INFO L130 PetriNetUnfolder]: 45/262 cut-off events. [2022-11-16 12:26:44,482 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:26:44,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 262 events. 45/262 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1022 event pairs, 15 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 318. Up to 54 conditions per place. [2022-11-16 12:26:44,489 INFO L137 encePairwiseOnDemand]: 75/83 looper letters, 17 selfloop transitions, 6 changer transitions 0/92 dead transitions. [2022-11-16 12:26:44,489 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 92 transitions, 233 flow [2022-11-16 12:26:44,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:44,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2022-11-16 12:26:44,502 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9437751004016064 [2022-11-16 12:26:44,503 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 235 transitions. [2022-11-16 12:26:44,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 235 transitions. [2022-11-16 12:26:44,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:44,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 235 transitions. [2022-11-16 12:26:44,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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 12:26:44,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 12:26:44,528 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 12:26:44,531 INFO L175 Difference]: Start difference. First operand has 83 places, 82 transitions, 167 flow. Second operand 3 states and 235 transitions. [2022-11-16 12:26:44,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 92 transitions, 233 flow [2022-11-16 12:26:44,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 92 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:44,537 INFO L231 Difference]: Finished difference. Result has 86 places, 88 transitions, 218 flow [2022-11-16 12:26:44,539 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=86, PETRI_TRANSITIONS=88} [2022-11-16 12:26:44,543 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 3 predicate places. [2022-11-16 12:26:44,543 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 88 transitions, 218 flow [2022-11-16 12:26:44,544 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) [2022-11-16 12:26:44,544 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:44,544 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] [2022-11-16 12:26:44,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:26:44,544 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)] === [2022-11-16 12:26:44,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:44,545 INFO L85 PathProgramCache]: Analyzing trace with hash 163817509, now seen corresponding path program 1 times [2022-11-16 12:26:44,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:44,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976995970] [2022-11-16 12:26:44,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:44,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:44,646 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 12:26:44,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:44,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976995970] [2022-11-16 12:26:44,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976995970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:44,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:44,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:44,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769592276] [2022-11-16 12:26:44,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:44,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:44,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:44,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:44,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:44,651 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 83 [2022-11-16 12:26:44,651 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 88 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 12:26:44,651 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:44,651 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 83 [2022-11-16 12:26:44,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:44,758 INFO L130 PetriNetUnfolder]: 67/353 cut-off events. [2022-11-16 12:26:44,766 INFO L131 PetriNetUnfolder]: For 87/96 co-relation queries the response was YES. [2022-11-16 12:26:44,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 353 events. 67/353 cut-off events. For 87/96 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1676 event pairs, 23 based on Foata normal form. 2/318 useless extension candidates. Maximal degree in co-relation 542. Up to 102 conditions per place. [2022-11-16 12:26:44,771 INFO L137 encePairwiseOnDemand]: 77/83 looper letters, 23 selfloop transitions, 7 changer transitions 2/98 dead transitions. [2022-11-16 12:26:44,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 98 transitions, 318 flow [2022-11-16 12:26:44,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:44,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:44,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 228 transitions. [2022-11-16 12:26:44,778 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9156626506024096 [2022-11-16 12:26:44,780 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 228 transitions. [2022-11-16 12:26:44,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 228 transitions. [2022-11-16 12:26:44,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:44,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 228 transitions. [2022-11-16 12:26:44,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2022-11-16 12:26:44,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 12:26:44,786 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 12:26:44,786 INFO L175 Difference]: Start difference. First operand has 86 places, 88 transitions, 218 flow. Second operand 3 states and 228 transitions. [2022-11-16 12:26:44,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 98 transitions, 318 flow [2022-11-16 12:26:44,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 98 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:44,794 INFO L231 Difference]: Finished difference. Result has 88 places, 92 transitions, 260 flow [2022-11-16 12:26:44,795 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=88, PETRI_TRANSITIONS=92} [2022-11-16 12:26:44,795 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 5 predicate places. [2022-11-16 12:26:44,796 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 92 transitions, 260 flow [2022-11-16 12:26:44,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 12:26:44,796 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:44,796 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] [2022-11-16 12:26:44,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:26:44,797 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)] === [2022-11-16 12:26:44,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:44,798 INFO L85 PathProgramCache]: Analyzing trace with hash 2144798248, now seen corresponding path program 1 times [2022-11-16 12:26:44,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:44,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133111391] [2022-11-16 12:26:44,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:44,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:44,963 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 12:26:44,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:44,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133111391] [2022-11-16 12:26:44,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133111391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:44,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:44,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:26:44,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132228354] [2022-11-16 12:26:44,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:44,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:44,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:44,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:44,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:44,967 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 83 [2022-11-16 12:26:44,967 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 92 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 12:26:44,967 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:44,967 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 83 [2022-11-16 12:26:44,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:45,062 INFO L130 PetriNetUnfolder]: 19/269 cut-off events. [2022-11-16 12:26:45,062 INFO L131 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2022-11-16 12:26:45,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 269 events. 19/269 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1174 event pairs, 2 based on Foata normal form. 1/251 useless extension candidates. Maximal degree in co-relation 350. Up to 28 conditions per place. [2022-11-16 12:26:45,064 INFO L137 encePairwiseOnDemand]: 80/83 looper letters, 6 selfloop transitions, 1 changer transitions 1/92 dead transitions. [2022-11-16 12:26:45,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 92 transitions, 276 flow [2022-11-16 12:26:45,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2022-11-16 12:26:45,072 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.927710843373494 [2022-11-16 12:26:45,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 231 transitions. [2022-11-16 12:26:45,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 231 transitions. [2022-11-16 12:26:45,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:45,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 231 transitions. [2022-11-16 12:26:45,074 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) [2022-11-16 12:26:45,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 12:26:45,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 12:26:45,075 INFO L175 Difference]: Start difference. First operand has 88 places, 92 transitions, 260 flow. Second operand 3 states and 231 transitions. [2022-11-16 12:26:45,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 92 transitions, 276 flow [2022-11-16 12:26:45,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 92 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:45,079 INFO L231 Difference]: Finished difference. Result has 89 places, 91 transitions, 249 flow [2022-11-16 12:26:45,079 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=249, PETRI_PLACES=89, PETRI_TRANSITIONS=91} [2022-11-16 12:26:45,080 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 6 predicate places. [2022-11-16 12:26:45,080 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 91 transitions, 249 flow [2022-11-16 12:26:45,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 12:26:45,081 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:45,081 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] [2022-11-16 12:26:45,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:26:45,081 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:26:45,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:45,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1743137408, now seen corresponding path program 1 times [2022-11-16 12:26:45,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:45,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38584194] [2022-11-16 12:26:45,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:45,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:45,211 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 12:26:45,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:45,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38584194] [2022-11-16 12:26:45,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38584194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:45,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:45,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:26:45,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345992429] [2022-11-16 12:26:45,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:45,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:26:45,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:45,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:26:45,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:26:45,225 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 83 [2022-11-16 12:26:45,226 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 91 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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 12:26:45,226 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:45,226 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 83 [2022-11-16 12:26:45,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:45,337 INFO L130 PetriNetUnfolder]: 57/372 cut-off events. [2022-11-16 12:26:45,337 INFO L131 PetriNetUnfolder]: For 87/95 co-relation queries the response was YES. [2022-11-16 12:26:45,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 656 conditions, 372 events. 57/372 cut-off events. For 87/95 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1927 event pairs, 16 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 612. Up to 101 conditions per place. [2022-11-16 12:26:45,340 INFO L137 encePairwiseOnDemand]: 77/83 looper letters, 21 selfloop transitions, 7 changer transitions 10/102 dead transitions. [2022-11-16 12:26:45,340 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 102 transitions, 367 flow [2022-11-16 12:26:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:26:45,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:26:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2022-11-16 12:26:45,342 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9076305220883534 [2022-11-16 12:26:45,342 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 226 transitions. [2022-11-16 12:26:45,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 226 transitions. [2022-11-16 12:26:45,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:45,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 226 transitions. [2022-11-16 12:26:45,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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 12:26:45,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 12:26:45,346 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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 12:26:45,346 INFO L175 Difference]: Start difference. First operand has 89 places, 91 transitions, 249 flow. Second operand 3 states and 226 transitions. [2022-11-16 12:26:45,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 102 transitions, 367 flow [2022-11-16 12:26:45,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 102 transitions, 363 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-16 12:26:45,350 INFO L231 Difference]: Finished difference. Result has 91 places, 90 transitions, 277 flow [2022-11-16 12:26:45,350 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=91, PETRI_TRANSITIONS=90} [2022-11-16 12:26:45,351 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, 8 predicate places. [2022-11-16 12:26:45,351 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 90 transitions, 277 flow [2022-11-16 12:26:45,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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 12:26:45,352 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:45,352 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 12:26:45,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:26:45,360 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:26:45,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:45,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1565000660, now seen corresponding path program 1 times [2022-11-16 12:26:45,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:45,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704601363] [2022-11-16 12:26:45,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:45,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:45,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:45,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:45,477 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:26:45,478 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-16 12:26:45,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-16 12:26:45,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-16 12:26:45,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-16 12:26:45,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-16 12:26:45,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-16 12:26:45,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-16 12:26:45,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:26:45,483 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:26:45,490 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:26:45,491 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:26:45,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:26:45 BasicIcfg [2022-11-16 12:26:45,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:26:45,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:26:45,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:26:45,571 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:26:45,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:43" (3/4) ... [2022-11-16 12:26:45,575 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:26:45,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:26:45,576 INFO L158 Benchmark]: Toolchain (without parser) took 3286.03ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 67.3MB in the beginning and 101.6MB in the end (delta: -34.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:45,577 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:45,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 731.69ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 61.7MB in the end (delta: 5.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:26:45,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.86ms. Allocated memory is still 104.9MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:26:45,578 INFO L158 Benchmark]: Boogie Preprocessor took 24.11ms. Allocated memory is still 104.9MB. Free memory was 59.6MB in the beginning and 57.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:45,579 INFO L158 Benchmark]: RCFGBuilder took 436.17ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 44.9MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:26:45,580 INFO L158 Benchmark]: TraceAbstraction took 2002.29ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 44.0MB in the beginning and 101.6MB in the end (delta: -57.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-16 12:26:45,580 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 127.9MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:45,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 731.69ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 61.7MB in the end (delta: 5.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.86ms. Allocated memory is still 104.9MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.11ms. Allocated memory is still 104.9MB. Free memory was 59.6MB in the beginning and 57.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.17ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 44.9MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2002.29ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 44.0MB in the beginning and 101.6MB in the end (delta: -57.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 127.9MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 946]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; VAL [glob=0] [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={4:0}] [L930] 0 pthread_mutex_t n = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={4:0}, n={5:0}] [L938] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, glob=0, i=1, m={4:0}, n={5:0}] [L939] 0 pthread_t id; VAL [glob=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L940] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=1, id={6:0}, m={4:0}, n={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L942] COND TRUE 0 \read(i) VAL [arg={0:0}, glob=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L945] COND TRUE 0 \read(i) VAL [arg={0:0}, glob=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, m={4:0}, n={5:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, i=1, id={6:0}, m={4:0}, n={5:0}] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, m={4:0}, n={5:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, i=1, id={6:0}, m={4:0}, n={5:0}] Now there is a data race on ~glob~0 between C: glob++ [933] and C: glob++ [946] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 940]: 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: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: 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, 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: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 48 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 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 12:26:45,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ddb6c-9d66-4c20-a7bd-f70ef83b1a44/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