./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c11b7127fb2beec6d5e726c9468c73fdf6ccc05ef40eceb17d287e75d34e535a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:46:36,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:46:36,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:46:36,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:46:36,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:46:36,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:46:36,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:46:36,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:46:36,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:46:36,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:46:36,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:46:36,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:46:36,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:46:36,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:46:36,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:46:36,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:46:36,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:46:36,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:46:36,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:46:36,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:46:36,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:46:36,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:46:36,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:46:36,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:46:36,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:46:36,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:46:36,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:46:36,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:46:36,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:46:36,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:46:36,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:46:36,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:46:36,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:46:36,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:46:36,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:46:36,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:46:36,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:46:36,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:46:36,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:46:36,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:46:36,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:46:36,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 18:46:36,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:46:36,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:46:36,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:46:36,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:46:36,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:46:36,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:46:36,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:46:36,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:46:36,963 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:46:36,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:46:36,965 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:46:36,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:46:36,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:46:36,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:46:36,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:46:36,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:46:36,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:46:36,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:46:36,967 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 18:46:36,967 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:46:36,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:46:36,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:46:36,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:46:36,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:46:36,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:46:36,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:46:36,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:46:36,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:46:36,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:46:36,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:46:36,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:46:36,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:46:36,971 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:46:36,971 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:46:36,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:46:36,972 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_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c11b7127fb2beec6d5e726c9468c73fdf6ccc05ef40eceb17d287e75d34e535a [2022-11-18 18:46:37,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:46:37,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:46:37,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:46:37,298 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:46:37,299 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:46:37,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i [2022-11-18 18:46:37,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/data/0f645fe4d/9ab8cd57b11b47f4932f96c3f1e8db60/FLAGe06b7375d [2022-11-18 18:46:37,960 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:46:37,961 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/sv-benchmarks/c/goblint-regression/04-mutex_06-ps_rc.i [2022-11-18 18:46:37,978 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/data/0f645fe4d/9ab8cd57b11b47f4932f96c3f1e8db60/FLAGe06b7375d [2022-11-18 18:46:38,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/data/0f645fe4d/9ab8cd57b11b47f4932f96c3f1e8db60 [2022-11-18 18:46:38,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:46:38,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:46:38,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:46:38,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:46:38,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:46:38,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:46:38" (1/1) ... [2022-11-18 18:46:38,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0ecdbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:38, skipping insertion in model container [2022-11-18 18:46:38,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:46:38" (1/1) ... [2022-11-18 18:46:38,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:46:38,334 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:46:38,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:46:38,942 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:46:39,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:46:39,074 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:46:39,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39 WrapperNode [2022-11-18 18:46:39,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:46:39,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:46:39,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:46:39,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:46:39,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,147 INFO L138 Inliner]: procedures = 266, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-11-18 18:46:39,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:46:39,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:46:39,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:46:39,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:46:39,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,191 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:46:39,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:46:39,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:46:39,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:46:39,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (1/1) ... [2022-11-18 18:46:39,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:46:39,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:46:39,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:46:39,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:46:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:46:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:46:39,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:46:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 18:46:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:46:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 18:46:39,300 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 18:46:39,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:46:39,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:46:39,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:46:39,302 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 18:46:39,492 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:46:39,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:46:39,779 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:46:39,786 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:46:39,794 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:46:39,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:46:39 BoogieIcfgContainer [2022-11-18 18:46:39,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:46:39,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:46:39,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:46:39,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:46:39,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:46:38" (1/3) ... [2022-11-18 18:46:39,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6756a66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:46:39, skipping insertion in model container [2022-11-18 18:46:39,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:46:39" (2/3) ... [2022-11-18 18:46:39,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6756a66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:46:39, skipping insertion in model container [2022-11-18 18:46:39,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:46:39" (3/3) ... [2022-11-18 18:46:39,811 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_06-ps_rc.i [2022-11-18 18:46:39,820 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:46:39,831 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:46:39,831 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-18 18:46:39,831 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:46:39,930 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 18:46:39,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 80 transitions, 165 flow [2022-11-18 18:46:40,059 INFO L130 PetriNetUnfolder]: 3/79 cut-off events. [2022-11-18 18:46:40,060 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:46:40,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 79 events. 3/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 100 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-11-18 18:46:40,065 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 80 transitions, 165 flow [2022-11-18 18:46:40,073 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 79 transitions, 161 flow [2022-11-18 18:46:40,094 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:46:40,103 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;@567cb1f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:46:40,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-18 18:46:40,129 INFO L130 PetriNetUnfolder]: 0/40 cut-off events. [2022-11-18 18:46:40,130 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:46:40,130 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:40,131 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] [2022-11-18 18:46:40,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-18 18:46:40,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:40,138 INFO L85 PathProgramCache]: Analyzing trace with hash -313473485, now seen corresponding path program 1 times [2022-11-18 18:46:40,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:40,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660648545] [2022-11-18 18:46:40,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:40,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:46:40,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:40,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660648545] [2022-11-18 18:46:40,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660648545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:40,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:40,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:40,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125477214] [2022-11-18 18:46:40,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:40,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:40,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:40,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:40,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:40,583 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 80 [2022-11-18 18:46:40,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 79 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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) [2022-11-18 18:46:40,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:40,590 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 80 [2022-11-18 18:46:40,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:40,759 INFO L130 PetriNetUnfolder]: 45/254 cut-off events. [2022-11-18 18:46:40,759 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 18:46:40,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 254 events. 45/254 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 976 event pairs, 12 based on Foata normal form. 0/220 useless extension candidates. Maximal degree in co-relation 313. Up to 54 conditions per place. [2022-11-18 18:46:40,766 INFO L137 encePairwiseOnDemand]: 72/80 looper letters, 17 selfloop transitions, 6 changer transitions 0/89 dead transitions. [2022-11-18 18:46:40,766 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 89 transitions, 227 flow [2022-11-18 18:46:40,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2022-11-18 18:46:40,782 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9416666666666667 [2022-11-18 18:46:40,783 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 226 transitions. [2022-11-18 18:46:40,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 226 transitions. [2022-11-18 18:46:40,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:40,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 226 transitions. [2022-11-18 18:46:40,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:46:40,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2022-11-18 18:46:40,804 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2022-11-18 18:46:40,806 INFO L175 Difference]: Start difference. First operand has 80 places, 79 transitions, 161 flow. Second operand 3 states and 226 transitions. [2022-11-18 18:46:40,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 89 transitions, 227 flow [2022-11-18 18:46:40,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 89 transitions, 226 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:46:40,819 INFO L231 Difference]: Finished difference. Result has 83 places, 85 transitions, 212 flow [2022-11-18 18:46:40,821 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=83, PETRI_TRANSITIONS=85} [2022-11-18 18:46:40,826 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 3 predicate places. [2022-11-18 18:46:40,826 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 85 transitions, 212 flow [2022-11-18 18:46:40,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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) [2022-11-18 18:46:40,827 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:40,827 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:40,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:46:40,828 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-18 18:46:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:40,829 INFO L85 PathProgramCache]: Analyzing trace with hash 655846080, now seen corresponding path program 1 times [2022-11-18 18:46:40,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:40,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716500974] [2022-11-18 18:46:40,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:40,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:46:40,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:40,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716500974] [2022-11-18 18:46:40,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716500974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:40,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:40,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:40,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459201812] [2022-11-18 18:46:40,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:40,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:40,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:40,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:40,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:40,961 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 80 [2022-11-18 18:46:40,962 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 85 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2022-11-18 18:46:40,962 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:40,962 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 80 [2022-11-18 18:46:40,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:41,057 INFO L130 PetriNetUnfolder]: 67/350 cut-off events. [2022-11-18 18:46:41,057 INFO L131 PetriNetUnfolder]: For 87/96 co-relation queries the response was YES. [2022-11-18 18:46:41,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 350 events. 67/350 cut-off events. For 87/96 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1671 event pairs, 23 based on Foata normal form. 2/315 useless extension candidates. Maximal degree in co-relation 542. Up to 102 conditions per place. [2022-11-18 18:46:41,061 INFO L137 encePairwiseOnDemand]: 74/80 looper letters, 23 selfloop transitions, 7 changer transitions 2/95 dead transitions. [2022-11-18 18:46:41,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 95 transitions, 312 flow [2022-11-18 18:46:41,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2022-11-18 18:46:41,064 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9125 [2022-11-18 18:46:41,064 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 219 transitions. [2022-11-18 18:46:41,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 219 transitions. [2022-11-18 18:46:41,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:41,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 219 transitions. [2022-11-18 18:46:41,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2022-11-18 18:46:41,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2022-11-18 18:46:41,067 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2022-11-18 18:46:41,068 INFO L175 Difference]: Start difference. First operand has 83 places, 85 transitions, 212 flow. Second operand 3 states and 219 transitions. [2022-11-18 18:46:41,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 95 transitions, 312 flow [2022-11-18 18:46:41,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 95 transitions, 294 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:41,072 INFO L231 Difference]: Finished difference. Result has 85 places, 89 transitions, 254 flow [2022-11-18 18:46:41,072 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=85, PETRI_TRANSITIONS=89} [2022-11-18 18:46:41,073 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 5 predicate places. [2022-11-18 18:46:41,073 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 89 transitions, 254 flow [2022-11-18 18:46:41,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2022-11-18 18:46:41,074 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:41,074 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:41,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:46:41,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-18 18:46:41,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:41,075 INFO L85 PathProgramCache]: Analyzing trace with hash -764505396, now seen corresponding path program 1 times [2022-11-18 18:46:41,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:41,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055140629] [2022-11-18 18:46:41,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:41,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:46:41,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:41,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055140629] [2022-11-18 18:46:41,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055140629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:41,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:41,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:46:41,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218875058] [2022-11-18 18:46:41,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:41,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:41,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:41,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:41,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:41,137 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 80 [2022-11-18 18:46:41,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 89 transitions, 254 flow. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2022-11-18 18:46:41,138 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:41,138 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 80 [2022-11-18 18:46:41,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:41,186 INFO L130 PetriNetUnfolder]: 19/266 cut-off events. [2022-11-18 18:46:41,187 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-11-18 18:46:41,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 391 conditions, 266 events. 19/266 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1176 event pairs, 2 based on Foata normal form. 1/248 useless extension candidates. Maximal degree in co-relation 350. Up to 28 conditions per place. [2022-11-18 18:46:41,189 INFO L137 encePairwiseOnDemand]: 77/80 looper letters, 6 selfloop transitions, 1 changer transitions 1/89 dead transitions. [2022-11-18 18:46:41,189 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 89 transitions, 270 flow [2022-11-18 18:46:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2022-11-18 18:46:41,192 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.925 [2022-11-18 18:46:41,192 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 222 transitions. [2022-11-18 18:46:41,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 222 transitions. [2022-11-18 18:46:41,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:41,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 222 transitions. [2022-11-18 18:46:41,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2022-11-18 18:46:41,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2022-11-18 18:46:41,196 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2022-11-18 18:46:41,196 INFO L175 Difference]: Start difference. First operand has 85 places, 89 transitions, 254 flow. Second operand 3 states and 222 transitions. [2022-11-18 18:46:41,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 89 transitions, 270 flow [2022-11-18 18:46:41,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 89 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:41,200 INFO L231 Difference]: Finished difference. Result has 86 places, 88 transitions, 243 flow [2022-11-18 18:46:41,201 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=86, PETRI_TRANSITIONS=88} [2022-11-18 18:46:41,202 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 6 predicate places. [2022-11-18 18:46:41,202 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 88 transitions, 243 flow [2022-11-18 18:46:41,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2022-11-18 18:46:41,203 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:41,203 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:46:41,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:46:41,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-18 18:46:41,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:41,204 INFO L85 PathProgramCache]: Analyzing trace with hash 936687780, now seen corresponding path program 1 times [2022-11-18 18:46:41,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:41,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182597561] [2022-11-18 18:46:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:41,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:46:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:46:41,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:46:41,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182597561] [2022-11-18 18:46:41,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182597561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:46:41,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:46:41,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:46:41,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832703645] [2022-11-18 18:46:41,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:46:41,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:46:41,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:46:41,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:46:41,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:46:41,273 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 80 [2022-11-18 18:46:41,275 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 88 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2022-11-18 18:46:41,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:46:41,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 80 [2022-11-18 18:46:41,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:46:41,394 INFO L130 PetriNetUnfolder]: 57/356 cut-off events. [2022-11-18 18:46:41,395 INFO L131 PetriNetUnfolder]: For 88/96 co-relation queries the response was YES. [2022-11-18 18:46:41,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 356 events. 57/356 cut-off events. For 88/96 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1844 event pairs, 17 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 598. Up to 101 conditions per place. [2022-11-18 18:46:41,398 INFO L137 encePairwiseOnDemand]: 74/80 looper letters, 21 selfloop transitions, 7 changer transitions 10/99 dead transitions. [2022-11-18 18:46:41,398 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 99 transitions, 361 flow [2022-11-18 18:46:41,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:46:41,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:46:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2022-11-18 18:46:41,400 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9041666666666667 [2022-11-18 18:46:41,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 217 transitions. [2022-11-18 18:46:41,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 217 transitions. [2022-11-18 18:46:41,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:46:41,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 217 transitions. [2022-11-18 18:46:41,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2022-11-18 18:46:41,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2022-11-18 18:46:41,403 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 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) [2022-11-18 18:46:41,404 INFO L175 Difference]: Start difference. First operand has 86 places, 88 transitions, 243 flow. Second operand 3 states and 217 transitions. [2022-11-18 18:46:41,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 99 transitions, 361 flow [2022-11-18 18:46:41,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 99 transitions, 357 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-18 18:46:41,408 INFO L231 Difference]: Finished difference. Result has 88 places, 87 transitions, 271 flow [2022-11-18 18:46:41,408 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=88, PETRI_TRANSITIONS=87} [2022-11-18 18:46:41,409 INFO L288 CegarLoopForPetriNet]: 80 programPoint places, 8 predicate places. [2022-11-18 18:46:41,409 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 87 transitions, 271 flow [2022-11-18 18:46:41,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2022-11-18 18:46:41,410 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:46:41,410 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] [2022-11-18 18:46:41,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:46:41,411 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-18 18:46:41,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:46:41,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1790167814, now seen corresponding path program 1 times [2022-11-18 18:46:41,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:46:41,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118381689] [2022-11-18 18:46:41,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:46:41,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:46:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:46:41,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:46:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:46:41,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 18:46:41,474 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 18:46:41,475 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-18 18:46:41,477 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-18 18:46:41,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-18 18:46:41,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-18 18:46:41,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-18 18:46:41,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-18 18:46:41,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-18 18:46:41,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:46:41,480 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-18 18:46:41,487 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 18:46:41,487 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:46:41,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:46:41 BasicIcfg [2022-11-18 18:46:41,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:46:41,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:46:41,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:46:41,524 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:46:41,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:46:39" (3/4) ... [2022-11-18 18:46:41,528 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 18:46:41,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:46:41,529 INFO L158 Benchmark]: Toolchain (without parser) took 3277.78ms. Allocated memory is still 132.1MB. Free memory was 98.7MB in the beginning and 82.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-18 18:46:41,529 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:46:41,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 820.87ms. Allocated memory is still 132.1MB. Free memory was 98.4MB in the beginning and 92.0MB in the end (delta: 6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 18:46:41,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.68ms. Allocated memory is still 132.1MB. Free memory was 92.0MB in the beginning and 89.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:46:41,531 INFO L158 Benchmark]: Boogie Preprocessor took 56.20ms. Allocated memory is still 132.1MB. Free memory was 89.4MB in the beginning and 87.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:46:41,532 INFO L158 Benchmark]: RCFGBuilder took 590.98ms. Allocated memory is still 132.1MB. Free memory was 87.8MB in the beginning and 75.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 18:46:41,532 INFO L158 Benchmark]: TraceAbstraction took 1724.74ms. Allocated memory is still 132.1MB. Free memory was 73.9MB in the beginning and 82.8MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:46:41,532 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 132.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:46:41,535 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 81.8MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 820.87ms. Allocated memory is still 132.1MB. Free memory was 98.4MB in the beginning and 92.0MB in the end (delta: 6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.68ms. Allocated memory is still 132.1MB. Free memory was 92.0MB in the beginning and 89.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.20ms. Allocated memory is still 132.1MB. Free memory was 89.4MB in the beginning and 87.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 590.98ms. Allocated memory is still 132.1MB. Free memory was 87.8MB in the beginning and 75.1MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1724.74ms. Allocated memory is still 132.1MB. Free memory was 73.9MB in the beginning and 82.8MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 132.1MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 946]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; VAL [glob=0] [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={1:0}] [L930] 0 pthread_mutex_t n = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={1:0}, n={2:0}] [L938] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, glob=0, i=1, m={1:0}, n={2:0}] [L939] 0 pthread_t id; VAL [glob=0, i=1, id={3:0}, m={1:0}, n={2:0}] [L940] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=1, id={3:0}, m={1:0}, n={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, m={1:0}, n={2:0}] [L942] COND TRUE 0 \read(i) VAL [arg={0:0}, arg={0:0}, glob=0, i=1, id={3:0}, m={1:0}, n={2:0}] [L945] COND TRUE 0 \read(i) VAL [arg={0:0}, arg={0:0}, glob=0, i=1, id={3:0}, m={1:0}, n={2:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, i=1, id={3:0}, m={1:0}, n={2:0}] [L933] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, m={1:0}, n={2:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=0, glob++=25, i=1, id={3:0}, m={1:0}, n={2:0}] Now there is a data race on ~glob~0 between C: glob++ [933] and C: glob++ [946] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 940]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 97 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 47 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=271occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 18:46:41,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7374fd36-78cf-4063-acef-b64cb11b372a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE