./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/bigshot_s.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d8c741fd238f074816319de9a9bd5d97cd9b35eb7f53a276be973ea0c31ecbe --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:35:50,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:35:50,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:35:51,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:35:51,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:35:51,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:35:51,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:35:51,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:35:51,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:35:51,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:35:51,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:35:51,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:35:51,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:35:51,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:35:51,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:35:51,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:35:51,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:35:51,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:35:51,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:35:51,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:35:51,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:35:51,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:35:51,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:35:51,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:35:51,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:35:51,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:35:51,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:35:51,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:35:51,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:35:51,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:35:51,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:35:51,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:35:51,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:35:51,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:35:51,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:35:51,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:35:51,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:35:51,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:35:51,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:35:51,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:35:51,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:35:51,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 12:35:51,154 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:35:51,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:35:51,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:35:51,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:35:51,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:35:51,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:35:51,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:35:51,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:35:51,157 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:35:51,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:35:51,157 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:35:51,157 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:35:51,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:35:51,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:35:51,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:35:51,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:35:51,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:35:51,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:35:51,162 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 12:35:51,162 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:35:51,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:35:51,162 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:35:51,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:35:51,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:35:51,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:35:51,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:35:51,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:35:51,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:35:51,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:35:51,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:35:51,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:35:51,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:35:51,167 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:35:51,167 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:35:51,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:35:51,167 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_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d8c741fd238f074816319de9a9bd5d97cd9b35eb7f53a276be973ea0c31ecbe [2022-11-20 12:35:51,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:35:51,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:35:51,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:35:51,497 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:35:51,497 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:35:51,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread/bigshot_s.i [2022-11-20 12:35:54,626 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:35:54,942 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:35:54,943 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/sv-benchmarks/c/pthread/bigshot_s.i [2022-11-20 12:35:54,959 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/data/13cc64025/dea51af8c8004eaab6b44e3a3c2340ab/FLAG4d57115bf [2022-11-20 12:35:54,974 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/data/13cc64025/dea51af8c8004eaab6b44e3a3c2340ab [2022-11-20 12:35:54,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:35:54,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:35:54,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:35:54,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:35:54,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:35:54,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:35:54" (1/1) ... [2022-11-20 12:35:54,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282ca90e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:54, skipping insertion in model container [2022-11-20 12:35:54,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:35:54" (1/1) ... [2022-11-20 12:35:54,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:35:55,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:35:55,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/sv-benchmarks/c/pthread/bigshot_s.i[55202,55215] [2022-11-20 12:35:55,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:35:55,689 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:35:55,751 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/sv-benchmarks/c/pthread/bigshot_s.i[55202,55215] [2022-11-20 12:35:55,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:35:55,859 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:35:55,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55 WrapperNode [2022-11-20 12:35:55,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:35:55,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:35:55,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:35:55,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:35:55,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:55,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:55,944 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2022-11-20 12:35:55,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:35:55,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:35:55,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:35:55,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:35:55,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:55,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:55,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:55,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:55,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:56,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:56,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:56,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:56,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:35:56,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:35:56,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:35:56,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:35:56,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (1/1) ... [2022-11-20 12:35:56,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:35:56,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:35:56,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:35:56,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:35:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:35:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:35:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 12:35:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:35:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 12:35:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 12:35:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 12:35:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 12:35:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:35:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:35:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:35:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:35:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:35:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:35:56,113 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 12:35:56,347 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:35:56,350 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:35:56,810 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:35:56,820 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:35:56,820 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:35:56,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:35:56 BoogieIcfgContainer [2022-11-20 12:35:56,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:35:56,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:35:56,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:35:56,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:35:56,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:35:54" (1/3) ... [2022-11-20 12:35:56,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e11492b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:35:56, skipping insertion in model container [2022-11-20 12:35:56,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:35:55" (2/3) ... [2022-11-20 12:35:56,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e11492b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:35:56, skipping insertion in model container [2022-11-20 12:35:56,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:35:56" (3/3) ... [2022-11-20 12:35:56,839 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2022-11-20 12:35:56,853 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 12:35:56,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:35:56,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 12:35:56,867 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 12:35:56,961 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-20 12:35:57,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 126 transitions, 268 flow [2022-11-20 12:35:57,076 INFO L130 PetriNetUnfolder]: 5/124 cut-off events. [2022-11-20 12:35:57,076 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 12:35:57,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 124 events. 5/124 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 106 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2022-11-20 12:35:57,082 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 126 transitions, 268 flow [2022-11-20 12:35:57,088 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 102 transitions, 216 flow [2022-11-20 12:35:57,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:35:57,108 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;@265a49db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:35:57,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-11-20 12:35:57,122 INFO L130 PetriNetUnfolder]: 0/38 cut-off events. [2022-11-20 12:35:57,123 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:35:57,123 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:35:57,124 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:35:57,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-20 12:35:57,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:57,131 INFO L85 PathProgramCache]: Analyzing trace with hash 390312355, now seen corresponding path program 1 times [2022-11-20 12:35:57,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:57,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516230125] [2022-11-20 12:35:57,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:57,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:57,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:35:57,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516230125] [2022-11-20 12:35:57,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516230125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:35:57,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:35:57,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:35:57,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537030442] [2022-11-20 12:35:57,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:35:57,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:35:57,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:35:57,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:35:57,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:35:57,550 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 126 [2022-11-20 12:35:57,554 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:57,554 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:35:57,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 126 [2022-11-20 12:35:57,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:35:57,659 INFO L130 PetriNetUnfolder]: 2/100 cut-off events. [2022-11-20 12:35:57,659 INFO L131 PetriNetUnfolder]: For 14/20 co-relation queries the response was YES. [2022-11-20 12:35:57,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 100 events. 2/100 cut-off events. For 14/20 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 1/93 useless extension candidates. Maximal degree in co-relation 69. Up to 19 conditions per place. [2022-11-20 12:35:57,662 INFO L137 encePairwiseOnDemand]: 122/126 looper letters, 18 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2022-11-20 12:35:57,662 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 100 transitions, 252 flow [2022-11-20 12:35:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:35:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:35:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2022-11-20 12:35:57,682 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8677248677248677 [2022-11-20 12:35:57,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 328 transitions. [2022-11-20 12:35:57,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 328 transitions. [2022-11-20 12:35:57,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:57,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 328 transitions. [2022-11-20 12:35:57,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:57,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:57,715 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:57,717 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 216 flow. Second operand 3 states and 328 transitions. [2022-11-20 12:35:57,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 100 transitions, 252 flow [2022-11-20 12:35:57,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 100 transitions, 244 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:35:57,734 INFO L231 Difference]: Finished difference. Result has 103 places, 100 transitions, 208 flow [2022-11-20 12:35:57,736 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=103, PETRI_TRANSITIONS=100} [2022-11-20 12:35:57,744 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -3 predicate places. [2022-11-20 12:35:57,745 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 100 transitions, 208 flow [2022-11-20 12:35:57,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:57,746 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:35:57,746 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] [2022-11-20 12:35:57,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:35:57,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-20 12:35:57,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:57,749 INFO L85 PathProgramCache]: Analyzing trace with hash 2113627580, now seen corresponding path program 1 times [2022-11-20 12:35:57,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:57,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013932065] [2022-11-20 12:35:57,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:57,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:58,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:35:58,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013932065] [2022-11-20 12:35:58,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013932065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:35:58,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:35:58,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:35:58,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221451281] [2022-11-20 12:35:58,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:35:58,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:35:58,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:35:58,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:35:58,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:35:58,529 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 126 [2022-11-20 12:35:58,530 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 100 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 99.66666666666667) internal successors, (598), 6 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:58,535 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:35:58,535 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 126 [2022-11-20 12:35:58,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:35:58,671 INFO L130 PetriNetUnfolder]: 2/99 cut-off events. [2022-11-20 12:35:58,672 INFO L131 PetriNetUnfolder]: For 1/7 co-relation queries the response was YES. [2022-11-20 12:35:58,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 99 events. 2/99 cut-off events. For 1/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 4/96 useless extension candidates. Maximal degree in co-relation 81. Up to 13 conditions per place. [2022-11-20 12:35:58,676 INFO L137 encePairwiseOnDemand]: 121/126 looper letters, 17 selfloop transitions, 4 changer transitions 0/99 dead transitions. [2022-11-20 12:35:58,676 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 99 transitions, 248 flow [2022-11-20 12:35:58,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:35:58,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:35:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 610 transitions. [2022-11-20 12:35:58,682 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8068783068783069 [2022-11-20 12:35:58,682 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 610 transitions. [2022-11-20 12:35:58,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 610 transitions. [2022-11-20 12:35:58,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:58,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 610 transitions. [2022-11-20 12:35:58,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.66666666666667) internal successors, (610), 6 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:58,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 126.0) internal successors, (882), 7 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:58,690 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 126.0) internal successors, (882), 7 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:58,690 INFO L175 Difference]: Start difference. First operand has 103 places, 100 transitions, 208 flow. Second operand 6 states and 610 transitions. [2022-11-20 12:35:58,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 99 transitions, 248 flow [2022-11-20 12:35:58,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 99 transitions, 244 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:35:58,694 INFO L231 Difference]: Finished difference. Result has 105 places, 99 transitions, 210 flow [2022-11-20 12:35:58,694 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=210, PETRI_PLACES=105, PETRI_TRANSITIONS=99} [2022-11-20 12:35:58,695 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -1 predicate places. [2022-11-20 12:35:58,695 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 99 transitions, 210 flow [2022-11-20 12:35:58,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 99.66666666666667) internal successors, (598), 6 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:58,696 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:35:58,696 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:35:58,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:35:58,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-20 12:35:58,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:58,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1302188649, now seen corresponding path program 1 times [2022-11-20 12:35:58,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:58,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345216605] [2022-11-20 12:35:58,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:58,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:58,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:35:58,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345216605] [2022-11-20 12:35:58,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345216605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:35:58,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:35:58,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:35:58,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672847707] [2022-11-20 12:35:58,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:35:58,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:35:58,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:35:58,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:35:58,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:35:58,833 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 126 [2022-11-20 12:35:58,833 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 99 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:58,833 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:35:58,834 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 126 [2022-11-20 12:35:58,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:35:58,915 INFO L130 PetriNetUnfolder]: 2/95 cut-off events. [2022-11-20 12:35:58,915 INFO L131 PetriNetUnfolder]: For 2/6 co-relation queries the response was YES. [2022-11-20 12:35:58,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 95 events. 2/95 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 1/93 useless extension candidates. Maximal degree in co-relation 74. Up to 9 conditions per place. [2022-11-20 12:35:58,916 INFO L137 encePairwiseOnDemand]: 121/126 looper letters, 13 selfloop transitions, 1 changer transitions 0/95 dead transitions. [2022-11-20 12:35:58,916 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 95 transitions, 230 flow [2022-11-20 12:35:58,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:35:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:35:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2022-11-20 12:35:58,920 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.873015873015873 [2022-11-20 12:35:58,922 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 330 transitions. [2022-11-20 12:35:58,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 330 transitions. [2022-11-20 12:35:58,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:58,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 330 transitions. [2022-11-20 12:35:58,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:58,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:58,926 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:58,926 INFO L175 Difference]: Start difference. First operand has 105 places, 99 transitions, 210 flow. Second operand 3 states and 330 transitions. [2022-11-20 12:35:58,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 95 transitions, 230 flow [2022-11-20 12:35:58,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 95 transitions, 223 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:35:58,933 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 197 flow [2022-11-20 12:35:58,933 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=99, PETRI_TRANSITIONS=95} [2022-11-20 12:35:58,940 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -7 predicate places. [2022-11-20 12:35:58,940 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 197 flow [2022-11-20 12:35:58,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:58,941 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:35:58,941 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:35:58,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:35:58,942 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-20 12:35:58,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:58,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1529896550, now seen corresponding path program 1 times [2022-11-20 12:35:58,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:58,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706271477] [2022-11-20 12:35:58,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:58,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:59,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:35:59,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706271477] [2022-11-20 12:35:59,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706271477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:35:59,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:35:59,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:35:59,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398771343] [2022-11-20 12:35:59,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:35:59,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:35:59,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:35:59,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:35:59,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:35:59,476 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 126 [2022-11-20 12:35:59,477 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 197 flow. Second operand has 6 states, 6 states have (on average 100.83333333333333) internal successors, (605), 6 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,477 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:35:59,477 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 126 [2022-11-20 12:35:59,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:35:59,543 INFO L130 PetriNetUnfolder]: 2/94 cut-off events. [2022-11-20 12:35:59,543 INFO L131 PetriNetUnfolder]: For 1/6 co-relation queries the response was YES. [2022-11-20 12:35:59,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 94 events. 2/94 cut-off events. For 1/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 74. Up to 13 conditions per place. [2022-11-20 12:35:59,544 INFO L137 encePairwiseOnDemand]: 121/126 looper letters, 16 selfloop transitions, 4 changer transitions 0/94 dead transitions. [2022-11-20 12:35:59,544 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 94 transitions, 235 flow [2022-11-20 12:35:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:35:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:35:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 609 transitions. [2022-11-20 12:35:59,547 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2022-11-20 12:35:59,547 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 609 transitions. [2022-11-20 12:35:59,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 609 transitions. [2022-11-20 12:35:59,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:59,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 609 transitions. [2022-11-20 12:35:59,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.5) internal successors, (609), 6 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 126.0) internal successors, (882), 7 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,553 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 126.0) internal successors, (882), 7 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,553 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 197 flow. Second operand 6 states and 609 transitions. [2022-11-20 12:35:59,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 94 transitions, 235 flow [2022-11-20 12:35:59,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 94 transitions, 234 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:35:59,555 INFO L231 Difference]: Finished difference. Result has 102 places, 94 transitions, 202 flow [2022-11-20 12:35:59,556 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=202, PETRI_PLACES=102, PETRI_TRANSITIONS=94} [2022-11-20 12:35:59,556 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -4 predicate places. [2022-11-20 12:35:59,557 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 94 transitions, 202 flow [2022-11-20 12:35:59,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.83333333333333) internal successors, (605), 6 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,557 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:35:59,558 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:35:59,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:35:59,558 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-20 12:35:59,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:59,559 INFO L85 PathProgramCache]: Analyzing trace with hash -624805556, now seen corresponding path program 1 times [2022-11-20 12:35:59,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:59,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586512210] [2022-11-20 12:35:59,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:59,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:59,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:59,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:35:59,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586512210] [2022-11-20 12:35:59,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586512210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:35:59,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:35:59,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:35:59,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651792474] [2022-11-20 12:35:59,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:35:59,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:35:59,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:35:59,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:35:59,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:35:59,667 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 126 [2022-11-20 12:35:59,668 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 94 transitions, 202 flow. Second operand has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,668 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:35:59,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 126 [2022-11-20 12:35:59,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:35:59,731 INFO L130 PetriNetUnfolder]: 1/93 cut-off events. [2022-11-20 12:35:59,732 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 12:35:59,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 93 events. 1/93 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 90. Up to 10 conditions per place. [2022-11-20 12:35:59,734 INFO L137 encePairwiseOnDemand]: 122/126 looper letters, 11 selfloop transitions, 3 changer transitions 0/93 dead transitions. [2022-11-20 12:35:59,734 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 93 transitions, 228 flow [2022-11-20 12:35:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:35:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 12:35:59,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 550 transitions. [2022-11-20 12:35:59,737 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.873015873015873 [2022-11-20 12:35:59,738 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 550 transitions. [2022-11-20 12:35:59,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 550 transitions. [2022-11-20 12:35:59,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:35:59,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 550 transitions. [2022-11-20 12:35:59,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 126.0) internal successors, (756), 6 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,744 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 126.0) internal successors, (756), 6 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,744 INFO L175 Difference]: Start difference. First operand has 102 places, 94 transitions, 202 flow. Second operand 5 states and 550 transitions. [2022-11-20 12:35:59,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 93 transitions, 228 flow [2022-11-20 12:35:59,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 93 transitions, 221 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:35:59,747 INFO L231 Difference]: Finished difference. Result has 102 places, 93 transitions, 199 flow [2022-11-20 12:35:59,748 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=199, PETRI_PLACES=102, PETRI_TRANSITIONS=93} [2022-11-20 12:35:59,750 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -4 predicate places. [2022-11-20 12:35:59,751 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 93 transitions, 199 flow [2022-11-20 12:35:59,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,751 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:35:59,752 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:35:59,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:35:59,752 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-20 12:35:59,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:35:59,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2078628507, now seen corresponding path program 1 times [2022-11-20 12:35:59,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:35:59,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488324516] [2022-11-20 12:35:59,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:35:59,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:35:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:35:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:35:59,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:35:59,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488324516] [2022-11-20 12:35:59,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488324516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:35:59,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:35:59,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:35:59,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892684858] [2022-11-20 12:35:59,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:35:59,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:35:59,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:35:59,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:35:59,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:35:59,973 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 126 [2022-11-20 12:35:59,974 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 93 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:35:59,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:35:59,974 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 126 [2022-11-20 12:35:59,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:36:00,038 INFO L130 PetriNetUnfolder]: 17/146 cut-off events. [2022-11-20 12:36:00,038 INFO L131 PetriNetUnfolder]: For 7/15 co-relation queries the response was YES. [2022-11-20 12:36:00,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 146 events. 17/146 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 254 event pairs, 15 based on Foata normal form. 1/141 useless extension candidates. Maximal degree in co-relation 133. Up to 51 conditions per place. [2022-11-20 12:36:00,040 INFO L137 encePairwiseOnDemand]: 124/126 looper letters, 0 selfloop transitions, 0 changer transitions 92/92 dead transitions. [2022-11-20 12:36:00,040 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 92 transitions, 239 flow [2022-11-20 12:36:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:36:00,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:36:00,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2022-11-20 12:36:00,042 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.828042328042328 [2022-11-20 12:36:00,042 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 313 transitions. [2022-11-20 12:36:00,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 313 transitions. [2022-11-20 12:36:00,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:36:00,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 313 transitions. [2022-11-20 12:36:00,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:36:00,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:36:00,045 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:36:00,046 INFO L175 Difference]: Start difference. First operand has 102 places, 93 transitions, 199 flow. Second operand 3 states and 313 transitions. [2022-11-20 12:36:00,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 92 transitions, 239 flow [2022-11-20 12:36:00,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 92 transitions, 234 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-20 12:36:00,049 INFO L231 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2022-11-20 12:36:00,049 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2022-11-20 12:36:00,052 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -6 predicate places. [2022-11-20 12:36:00,052 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2022-11-20 12:36:00,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:36:00,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2022-11-20 12:36:00,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2022-11-20 12:36:00,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2022-11-20 12:36:00,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2022-11-20 12:36:00,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2022-11-20 12:36:00,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2022-11-20 12:36:00,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2022-11-20 12:36:00,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2022-11-20 12:36:00,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2022-11-20 12:36:00,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2022-11-20 12:36:00,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2022-11-20 12:36:00,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2022-11-20 12:36:00,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2022-11-20 12:36:00,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:36:00,072 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-20 12:36:00,078 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 12:36:00,078 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:36:00,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:36:00 BasicIcfg [2022-11-20 12:36:00,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:36:00,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:36:00,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:36:00,088 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:36:00,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:35:56" (3/4) ... [2022-11-20 12:36:00,092 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:36:00,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 12:36:00,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 12:36:00,108 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-20 12:36:00,108 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 12:36:00,108 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:36:00,108 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:36:00,109 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:36:00,162 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:36:00,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:36:00,163 INFO L158 Benchmark]: Toolchain (without parser) took 5184.12ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 116.4MB in the beginning and 105.4MB in the end (delta: 11.1MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-11-20 12:36:00,163 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory was 75.5MB in the beginning and 75.4MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:36:00,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 880.16ms. Allocated memory is still 148.9MB. Free memory was 115.9MB in the beginning and 83.5MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 12:36:00,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.10ms. Allocated memory is still 148.9MB. Free memory was 83.5MB in the beginning and 80.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:36:00,164 INFO L158 Benchmark]: Boogie Preprocessor took 63.89ms. Allocated memory is still 148.9MB. Free memory was 80.9MB in the beginning and 79.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:36:00,165 INFO L158 Benchmark]: RCFGBuilder took 813.14ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 79.3MB in the beginning and 152.2MB in the end (delta: -72.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-11-20 12:36:00,165 INFO L158 Benchmark]: TraceAbstraction took 3258.61ms. Allocated memory is still 182.5MB. Free memory was 151.2MB in the beginning and 108.5MB in the end (delta: 42.8MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-11-20 12:36:00,165 INFO L158 Benchmark]: Witness Printer took 76.03ms. Allocated memory is still 182.5MB. Free memory was 108.5MB in the beginning and 105.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:36:00,168 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 121.6MB. Free memory was 75.5MB in the beginning and 75.4MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 880.16ms. Allocated memory is still 148.9MB. Free memory was 115.9MB in the beginning and 83.5MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.10ms. Allocated memory is still 148.9MB. Free memory was 83.5MB in the beginning and 80.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.89ms. Allocated memory is still 148.9MB. Free memory was 80.9MB in the beginning and 79.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 813.14ms. Allocated memory was 148.9MB in the beginning and 182.5MB in the end (delta: 33.6MB). Free memory was 79.3MB in the beginning and 152.2MB in the end (delta: -72.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3258.61ms. Allocated memory is still 182.5MB. Free memory was 151.2MB in the beginning and 108.5MB in the end (delta: 42.8MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Witness Printer took 76.03ms. Allocated memory is still 182.5MB. Free memory was 108.5MB in the beginning and 105.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 160 locations, 13 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: 3.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 56 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 353 NumberOfCodeBlocks, 353 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 347 ConstructedInterpolants, 0 QuantifiedInterpolants, 573 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 12:36:00,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_268e4878-24e5-480c-b486-df27a43c202a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE