./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ --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 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 --- 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-dbf71c6-m [2022-10-17 10:47:04,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:47:04,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:47:04,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:47:04,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:47:04,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:47:04,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:47:04,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:47:04,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:47:04,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:47:04,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:47:04,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:47:04,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:47:04,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:47:04,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:47:04,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:47:04,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:47:04,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:47:04,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:47:04,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:47:04,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:47:04,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:47:04,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:47:04,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:47:04,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:47:04,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:47:04,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:47:04,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:47:04,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:47:04,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:47:04,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:47:04,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:47:04,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:47:04,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:47:04,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:47:04,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:47:04,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:47:04,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:47:04,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:47:04,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:47:04,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:47:04,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 10:47:04,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:47:04,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:47:05,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:47:05,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:47:05,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:47:05,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:47:05,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:47:05,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:47:05,002 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:47:05,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:47:05,004 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:47:05,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:47:05,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:47:05,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:47:05,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:47:05,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:47:05,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:47:05,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:47:05,006 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 10:47:05,006 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:47:05,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:47:05,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:47:05,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:47:05,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:47:05,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:47:05,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:47:05,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:47:05,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:47:05,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:47:05,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:47:05,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:47:05,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:47:05,011 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:47:05,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:47:05,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:47:05,011 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_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 [2022-10-17 10:47:05,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:47:05,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:47:05,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:47:05,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:47:05,292 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:47:05,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2022-10-17 10:47:05,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/data/f68b54f02/1536e87dffe64a7a8eb20dfe70b9acbf/FLAG26b77622b [2022-10-17 10:47:05,879 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:47:05,879 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2022-10-17 10:47:05,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/data/f68b54f02/1536e87dffe64a7a8eb20dfe70b9acbf/FLAG26b77622b [2022-10-17 10:47:06,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/data/f68b54f02/1536e87dffe64a7a8eb20dfe70b9acbf [2022-10-17 10:47:06,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:47:06,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:47:06,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:47:06,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:47:06,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:47:06,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f07da65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06, skipping insertion in model container [2022-10-17 10:47:06,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:47:06,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:47:06,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:47:06,695 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:47:06,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:47:06,798 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:47:06,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06 WrapperNode [2022-10-17 10:47:06,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:47:06,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:47:06,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:47:06,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:47:06,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,883 INFO L138 Inliner]: procedures = 262, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-10-17 10:47:06,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:47:06,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:47:06,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:47:06,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:47:06,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:47:06,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:47:06,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:47:06,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:47:06,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (1/1) ... [2022-10-17 10:47:06,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:47:06,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:47:06,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:47:07,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:47:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:47:07,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:47:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:47:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:47:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 10:47:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:47:07,040 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 10:47:07,040 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 10:47:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:47:07,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:47:07,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:47:07,043 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 10:47:07,254 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:47:07,256 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:47:07,577 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:47:07,585 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:47:07,597 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:47:07,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:47:07 BoogieIcfgContainer [2022-10-17 10:47:07,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:47:07,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:47:07,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:47:07,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:47:07,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:47:06" (1/3) ... [2022-10-17 10:47:07,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3d95dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:47:07, skipping insertion in model container [2022-10-17 10:47:07,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:47:06" (2/3) ... [2022-10-17 10:47:07,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3d95dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:47:07, skipping insertion in model container [2022-10-17 10:47:07,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:47:07" (3/3) ... [2022-10-17 10:47:07,619 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_11-ptr_rc.i [2022-10-17 10:47:07,628 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 10:47:07,639 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:47:07,639 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-10-17 10:47:07,639 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 10:47:07,704 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-17 10:47:07,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 92 transitions, 192 flow [2022-10-17 10:47:07,794 INFO L130 PetriNetUnfolder]: 0/91 cut-off events. [2022-10-17 10:47:07,794 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:47:07,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 91 events. 0/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-10-17 10:47:07,797 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 92 transitions, 192 flow [2022-10-17 10:47:07,802 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 83 transitions, 169 flow [2022-10-17 10:47:07,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:47:07,820 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;@4d4a49f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:47:07,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-17 10:47:07,837 INFO L130 PetriNetUnfolder]: 0/48 cut-off events. [2022-10-17 10:47:07,837 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:47:07,838 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:47:07,838 INFO L208 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] [2022-10-17 10:47:07,839 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)] === [2022-10-17 10:47:07,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:47:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash -901473782, now seen corresponding path program 1 times [2022-10-17 10:47:07,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:47:07,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516903436] [2022-10-17 10:47:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:47:07,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:47:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:47:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:47:08,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:47:08,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516903436] [2022-10-17 10:47:08,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516903436] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:47:08,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:47:08,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:47:08,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070600823] [2022-10-17 10:47:08,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:47:08,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:47:08,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:47:08,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:47:08,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:47:08,866 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 92 [2022-10-17 10:47:08,874 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 83 transitions, 169 flow. Second operand has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 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) [2022-10-17 10:47:08,874 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:47:08,874 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 92 [2022-10-17 10:47:08,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:47:09,486 INFO L130 PetriNetUnfolder]: 329/879 cut-off events. [2022-10-17 10:47:09,487 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:47:09,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1582 conditions, 879 events. 329/879 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4685 event pairs, 152 based on Foata normal form. 0/784 useless extension candidates. Maximal degree in co-relation 1546. Up to 489 conditions per place. [2022-10-17 10:47:09,504 INFO L137 encePairwiseOnDemand]: 81/92 looper letters, 90 selfloop transitions, 22 changer transitions 0/161 dead transitions. [2022-10-17 10:47:09,504 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 161 transitions, 549 flow [2022-10-17 10:47:09,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:47:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:47:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 455 transitions. [2022-10-17 10:47:09,529 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8242753623188406 [2022-10-17 10:47:09,530 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 455 transitions. [2022-10-17 10:47:09,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 455 transitions. [2022-10-17 10:47:09,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:47:09,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 455 transitions. [2022-10-17 10:47:09,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 75.83333333333333) internal successors, (455), 6 states have internal predecessors, (455), 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) [2022-10-17 10:47:09,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 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) [2022-10-17 10:47:09,553 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 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) [2022-10-17 10:47:09,555 INFO L175 Difference]: Start difference. First operand has 87 places, 83 transitions, 169 flow. Second operand 6 states and 455 transitions. [2022-10-17 10:47:09,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 161 transitions, 549 flow [2022-10-17 10:47:09,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 161 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 10:47:09,570 INFO L231 Difference]: Finished difference. Result has 96 places, 104 transitions, 318 flow [2022-10-17 10:47:09,573 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=318, PETRI_PLACES=96, PETRI_TRANSITIONS=104} [2022-10-17 10:47:09,583 INFO L287 CegarLoopForPetriNet]: 87 programPoint places, 9 predicate places. [2022-10-17 10:47:09,583 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 318 flow [2022-10-17 10:47:09,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 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) [2022-10-17 10:47:09,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:47:09,585 INFO L208 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] [2022-10-17 10:47:09,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:47:09,592 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)] === [2022-10-17 10:47:09,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:47:09,593 INFO L85 PathProgramCache]: Analyzing trace with hash -285264551, now seen corresponding path program 1 times [2022-10-17 10:47:09,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:47:09,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464042891] [2022-10-17 10:47:09,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:47:09,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:47:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:47:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:47:09,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:47:09,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464042891] [2022-10-17 10:47:09,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464042891] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:47:09,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:47:09,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:47:09,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854197821] [2022-10-17 10:47:09,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:47:09,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:47:09,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:47:09,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:47:09,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:47:09,967 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 92 [2022-10-17 10:47:09,967 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 104 transitions, 318 flow. Second operand has 6 states, 6 states have (on average 56.5) internal successors, (339), 6 states have internal predecessors, (339), 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) [2022-10-17 10:47:09,968 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:47:09,969 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 92 [2022-10-17 10:47:09,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:47:10,320 INFO L130 PetriNetUnfolder]: 329/900 cut-off events. [2022-10-17 10:47:10,320 INFO L131 PetriNetUnfolder]: For 374/380 co-relation queries the response was YES. [2022-10-17 10:47:10,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2014 conditions, 900 events. 329/900 cut-off events. For 374/380 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4837 event pairs, 146 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 1972. Up to 574 conditions per place. [2022-10-17 10:47:10,334 INFO L137 encePairwiseOnDemand]: 81/92 looper letters, 85 selfloop transitions, 26 changer transitions 0/158 dead transitions. [2022-10-17 10:47:10,334 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 158 transitions, 738 flow [2022-10-17 10:47:10,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:47:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:47:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 421 transitions. [2022-10-17 10:47:10,337 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7626811594202898 [2022-10-17 10:47:10,337 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 421 transitions. [2022-10-17 10:47:10,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 421 transitions. [2022-10-17 10:47:10,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:47:10,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 421 transitions. [2022-10-17 10:47:10,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 70.16666666666667) internal successors, (421), 6 states have internal predecessors, (421), 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) [2022-10-17 10:47:10,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 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) [2022-10-17 10:47:10,343 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 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) [2022-10-17 10:47:10,343 INFO L175 Difference]: Start difference. First operand has 96 places, 104 transitions, 318 flow. Second operand 6 states and 421 transitions. [2022-10-17 10:47:10,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 158 transitions, 738 flow [2022-10-17 10:47:10,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 158 transitions, 738 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-10-17 10:47:10,354 INFO L231 Difference]: Finished difference. Result has 106 places, 125 transitions, 502 flow [2022-10-17 10:47:10,355 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=502, PETRI_PLACES=106, PETRI_TRANSITIONS=125} [2022-10-17 10:47:10,356 INFO L287 CegarLoopForPetriNet]: 87 programPoint places, 19 predicate places. [2022-10-17 10:47:10,356 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 125 transitions, 502 flow [2022-10-17 10:47:10,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.5) internal successors, (339), 6 states have internal predecessors, (339), 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) [2022-10-17 10:47:10,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:47:10,357 INFO L208 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] [2022-10-17 10:47:10,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:47:10,358 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)] === [2022-10-17 10:47:10,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:47:10,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1911630747, now seen corresponding path program 1 times [2022-10-17 10:47:10,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:47:10,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276230141] [2022-10-17 10:47:10,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:47:10,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:47:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:47:10,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:47:10,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:47:10,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276230141] [2022-10-17 10:47:10,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276230141] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:47:10,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:47:10,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:47:10,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072554984] [2022-10-17 10:47:10,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:47:10,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:47:10,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:47:10,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:47:10,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:47:10,749 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 92 [2022-10-17 10:47:10,754 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 125 transitions, 502 flow. Second operand has 6 states, 6 states have (on average 57.5) internal successors, (345), 6 states have internal predecessors, (345), 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) [2022-10-17 10:47:10,754 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:47:10,754 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 92 [2022-10-17 10:47:10,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:47:11,380 INFO L130 PetriNetUnfolder]: 485/1239 cut-off events. [2022-10-17 10:47:11,381 INFO L131 PetriNetUnfolder]: For 769/775 co-relation queries the response was YES. [2022-10-17 10:47:11,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3158 conditions, 1239 events. 485/1239 cut-off events. For 769/775 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7078 event pairs, 179 based on Foata normal form. 0/1148 useless extension candidates. Maximal degree in co-relation 3113. Up to 860 conditions per place. [2022-10-17 10:47:11,393 INFO L137 encePairwiseOnDemand]: 73/92 looper letters, 93 selfloop transitions, 69 changer transitions 4/213 dead transitions. [2022-10-17 10:47:11,394 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 213 transitions, 1170 flow [2022-10-17 10:47:11,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:47:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:47:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 444 transitions. [2022-10-17 10:47:11,396 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8043478260869565 [2022-10-17 10:47:11,396 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 444 transitions. [2022-10-17 10:47:11,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 444 transitions. [2022-10-17 10:47:11,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:47:11,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 444 transitions. [2022-10-17 10:47:11,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 74.0) internal successors, (444), 6 states have internal predecessors, (444), 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) [2022-10-17 10:47:11,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 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) [2022-10-17 10:47:11,403 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 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) [2022-10-17 10:47:11,403 INFO L175 Difference]: Start difference. First operand has 106 places, 125 transitions, 502 flow. Second operand 6 states and 444 transitions. [2022-10-17 10:47:11,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 213 transitions, 1170 flow [2022-10-17 10:47:11,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 213 transitions, 1170 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-10-17 10:47:11,418 INFO L231 Difference]: Finished difference. Result has 116 places, 188 transitions, 1088 flow [2022-10-17 10:47:11,419 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1088, PETRI_PLACES=116, PETRI_TRANSITIONS=188} [2022-10-17 10:47:11,421 INFO L287 CegarLoopForPetriNet]: 87 programPoint places, 29 predicate places. [2022-10-17 10:47:11,422 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 188 transitions, 1088 flow [2022-10-17 10:47:11,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.5) internal successors, (345), 6 states have internal predecessors, (345), 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) [2022-10-17 10:47:11,422 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:47:11,422 INFO L208 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] [2022-10-17 10:47:11,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:47:11,423 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)] === [2022-10-17 10:47:11,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:47:11,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1795893048, now seen corresponding path program 1 times [2022-10-17 10:47:11,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:47:11,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651108820] [2022-10-17 10:47:11,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:47:11,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:47:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:47:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:47:11,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:47:11,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651108820] [2022-10-17 10:47:11,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651108820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:47:11,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:47:11,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:47:11,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294117913] [2022-10-17 10:47:11,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:47:11,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:47:11,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:47:11,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:47:11,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:47:11,757 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 92 [2022-10-17 10:47:11,758 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 188 transitions, 1088 flow. Second operand has 6 states, 6 states have (on average 54.833333333333336) internal successors, (329), 6 states have internal predecessors, (329), 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) [2022-10-17 10:47:11,758 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:47:11,758 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 92 [2022-10-17 10:47:11,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:47:12,241 INFO L130 PetriNetUnfolder]: 545/1369 cut-off events. [2022-10-17 10:47:12,241 INFO L131 PetriNetUnfolder]: For 1793/1804 co-relation queries the response was YES. [2022-10-17 10:47:12,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4468 conditions, 1369 events. 545/1369 cut-off events. For 1793/1804 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 8089 event pairs, 150 based on Foata normal form. 0/1314 useless extension candidates. Maximal degree in co-relation 4415. Up to 987 conditions per place. [2022-10-17 10:47:12,257 INFO L137 encePairwiseOnDemand]: 77/92 looper letters, 151 selfloop transitions, 67 changer transitions 0/263 dead transitions. [2022-10-17 10:47:12,257 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 263 transitions, 1950 flow [2022-10-17 10:47:12,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:47:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:47:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 409 transitions. [2022-10-17 10:47:12,259 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7409420289855072 [2022-10-17 10:47:12,259 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 409 transitions. [2022-10-17 10:47:12,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 409 transitions. [2022-10-17 10:47:12,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:47:12,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 409 transitions. [2022-10-17 10:47:12,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 68.16666666666667) internal successors, (409), 6 states have internal predecessors, (409), 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) [2022-10-17 10:47:12,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 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) [2022-10-17 10:47:12,263 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 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) [2022-10-17 10:47:12,264 INFO L175 Difference]: Start difference. First operand has 116 places, 188 transitions, 1088 flow. Second operand 6 states and 409 transitions. [2022-10-17 10:47:12,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 263 transitions, 1950 flow [2022-10-17 10:47:12,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 263 transitions, 1886 flow, removed 32 selfloop flow, removed 0 redundant places. [2022-10-17 10:47:12,286 INFO L231 Difference]: Finished difference. Result has 126 places, 241 transitions, 1676 flow [2022-10-17 10:47:12,287 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=1030, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1676, PETRI_PLACES=126, PETRI_TRANSITIONS=241} [2022-10-17 10:47:12,288 INFO L287 CegarLoopForPetriNet]: 87 programPoint places, 39 predicate places. [2022-10-17 10:47:12,288 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 241 transitions, 1676 flow [2022-10-17 10:47:12,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 54.833333333333336) internal successors, (329), 6 states have internal predecessors, (329), 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) [2022-10-17 10:47:12,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:47:12,289 INFO L208 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] [2022-10-17 10:47:12,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:47:12,289 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)] === [2022-10-17 10:47:12,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:47:12,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1158236383, now seen corresponding path program 1 times [2022-10-17 10:47:12,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:47:12,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593474319] [2022-10-17 10:47:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:47:12,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:47:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:47:12,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:47:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:47:12,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:47:12,353 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 10:47:12,354 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-10-17 10:47:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-10-17 10:47:12,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-10-17 10:47:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-10-17 10:47:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-10-17 10:47:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-10-17 10:47:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-10-17 10:47:12,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-10-17 10:47:12,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:47:12,358 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-10-17 10:47:12,364 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-17 10:47:12,364 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:47:12,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:47:12 BasicIcfg [2022-10-17 10:47:12,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:47:12,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:47:12,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:47:12,414 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:47:12,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:47:07" (3/4) ... [2022-10-17 10:47:12,417 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:47:12,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:47:12,418 INFO L158 Benchmark]: Toolchain (without parser) took 6255.09ms. Allocated memory was 98.6MB in the beginning and 148.9MB in the end (delta: 50.3MB). Free memory was 75.6MB in the beginning and 61.7MB in the end (delta: 13.9MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2022-10-17 10:47:12,418 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:47:12,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.58ms. Allocated memory is still 98.6MB. Free memory was 75.4MB in the beginning and 55.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 10:47:12,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.90ms. Allocated memory is still 98.6MB. Free memory was 55.4MB in the beginning and 53.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:47:12,420 INFO L158 Benchmark]: Boogie Preprocessor took 68.37ms. Allocated memory is still 98.6MB. Free memory was 53.1MB in the beginning and 51.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:47:12,420 INFO L158 Benchmark]: RCFGBuilder took 646.90ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 51.2MB in the beginning and 94.0MB in the end (delta: -42.8MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-10-17 10:47:12,421 INFO L158 Benchmark]: TraceAbstraction took 4810.54ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 93.0MB in the beginning and 62.8MB in the end (delta: 30.2MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2022-10-17 10:47:12,421 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 148.9MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:47:12,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.58ms. Allocated memory is still 98.6MB. Free memory was 75.4MB in the beginning and 55.6MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.90ms. Allocated memory is still 98.6MB. Free memory was 55.4MB in the beginning and 53.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.37ms. Allocated memory is still 98.6MB. Free memory was 53.1MB in the beginning and 51.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.90ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 51.2MB in the beginning and 94.0MB in the end (delta: -42.8MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4810.54ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 93.0MB in the beginning and 62.8MB in the end (delta: 30.2MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. * Witness Printer took 3.15ms. Allocated memory is still 148.9MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 931]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal={1:0}] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal={1:0}] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L928] 0 pthread_t id; VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L931] EXPR 0 \read(myglobal) VAL [\read(myglobal)=0, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L921] 1 int *p = &myglobal; VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 \read(*p) VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p = *p + 1 VAL [*p = *p + 1=25, \read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [*p = *p + 1=25, \read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] Now there is a data race (on the heap) between C: *p = *p + 1 [923] and C: myglobal+1 [931] - UnprovableResult [Line: 931]: 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. - UnprovableResult [Line: 929]: 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, 119 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: 4.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 984 IncrementalHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 119 mSDtfsCounter, 984 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1676occurred 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, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 494 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 could not prove your program: unable to determine feasibility of some traces [2022-10-17 10:47:12,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6898109f-6520-47b4-8fe4-c83596af5a96/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE