./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:31:40,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:31:40,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:31:40,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:31:40,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:31:40,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:31:40,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:31:40,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:31:40,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:31:40,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:31:40,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:31:40,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:31:40,833 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:31:40,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:31:40,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:31:40,835 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:31:40,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:31:40,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:31:40,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:31:40,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:31:40,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:31:40,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:31:40,839 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:31:40,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:31:40,840 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:31:40,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:31:40,841 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:31:40,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:31:40,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:31:40,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:31:40,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:31:40,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:31:40,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:31:40,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:31:40,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:31:40,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:31:40,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:31:40,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:31:40,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:31:40,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:31:40,846 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:31:40,849 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 [2023-11-06 22:31:41,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:31:41,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:31:41,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:31:41,185 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:31:41,185 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:31:41,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2023-11-06 22:31:44,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:31:44,895 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:31:44,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2023-11-06 22:31:44,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/data/3c12f5e4d/4c9be08738a34a98b473d751a0ebb09a/FLAGf092bcd2c [2023-11-06 22:31:45,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/data/3c12f5e4d/4c9be08738a34a98b473d751a0ebb09a [2023-11-06 22:31:45,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:31:45,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:31:45,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:31:45,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:31:45,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:31:45,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528396d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45, skipping insertion in model container [2023-11-06 22:31:45,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,211 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:31:45,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:31:45,753 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:31:45,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:31:45,877 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:31:45,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45 WrapperNode [2023-11-06 22:31:45,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:31:45,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:31:45,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:31:45,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:31:45,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,942 INFO L138 Inliner]: procedures = 262, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-06 22:31:45,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:31:45,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:31:45,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:31:45,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:31:45,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:45,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:31:45,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:31:45,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:31:45,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:31:45,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (1/1) ... [2023-11-06 22:31:46,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:31:46,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:46,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:31:46,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:31:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:31:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:31:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:31:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:31:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:31:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:31:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:31:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:31:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:31:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:31:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:31:46,151 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:31:46,418 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:31:46,423 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:31:46,772 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:31:46,781 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:31:46,784 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:31:46,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:46 BoogieIcfgContainer [2023-11-06 22:31:46,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:31:46,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:31:46,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:31:46,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:31:46,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:31:45" (1/3) ... [2023-11-06 22:31:46,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2c1e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:46, skipping insertion in model container [2023-11-06 22:31:46,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:45" (2/3) ... [2023-11-06 22:31:46,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2c1e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:46, skipping insertion in model container [2023-11-06 22:31:46,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:46" (3/3) ... [2023-11-06 22:31:46,808 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_11-ptr_rc.i [2023-11-06 22:31:46,820 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:31:46,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:31:46,837 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-06 22:31:46,837 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:31:46,948 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 22:31:47,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 88 transitions, 183 flow [2023-11-06 22:31:47,102 INFO L124 PetriNetUnfolderBase]: 0/87 cut-off events. [2023-11-06 22:31:47,102 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:31:47,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 87 events. 0/87 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-06 22:31:47,107 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 88 transitions, 183 flow [2023-11-06 22:31:47,113 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 79 transitions, 161 flow [2023-11-06 22:31:47,117 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:31:47,127 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 79 transitions, 161 flow [2023-11-06 22:31:47,130 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 79 transitions, 161 flow [2023-11-06 22:31:47,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 79 transitions, 161 flow [2023-11-06 22:31:47,160 INFO L124 PetriNetUnfolderBase]: 0/79 cut-off events. [2023-11-06 22:31:47,161 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:31:47,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 79 events. 0/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-06 22:31:47,163 INFO L119 LiptonReduction]: Number of co-enabled transitions 1392 [2023-11-06 22:31:49,852 INFO L134 LiptonReduction]: Checked pairs total: 10354 [2023-11-06 22:31:49,852 INFO L136 LiptonReduction]: Total number of compositions: 38 [2023-11-06 22:31:49,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:31:49,893 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14a2457a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:31:49,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 22:31:49,914 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:31:49,914 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2023-11-06 22:31:49,914 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:31:49,915 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:31:49,915 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:49,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:31:49,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:49,921 INFO L85 PathProgramCache]: Analyzing trace with hash -123589924, now seen corresponding path program 1 times [2023-11-06 22:31:49,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:49,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176278559] [2023-11-06 22:31:49,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:49,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:50,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:50,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176278559] [2023-11-06 22:31:50,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176278559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:50,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:50,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:31:50,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975506848] [2023-11-06 22:31:50,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:50,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:31:50,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:50,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:31:50,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:31:51,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 126 [2023-11-06 22:31:51,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 71.5) internal successors, (429), 6 states have internal predecessors, (429), 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) [2023-11-06 22:31:51,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:31:51,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 126 [2023-11-06 22:31:51,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:31:51,337 INFO L124 PetriNetUnfolderBase]: 147/435 cut-off events. [2023-11-06 22:31:51,337 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:31:51,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 764 conditions, 435 events. 147/435 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1997 event pairs, 74 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 755. Up to 244 conditions per place. [2023-11-06 22:31:51,346 INFO L140 encePairwiseOnDemand]: 115/126 looper letters, 44 selfloop transitions, 22 changer transitions 0/82 dead transitions. [2023-11-06 22:31:51,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 82 transitions, 299 flow [2023-11-06 22:31:51,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:31:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:31:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 487 transitions. [2023-11-06 22:31:51,367 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6441798941798942 [2023-11-06 22:31:51,368 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 487 transitions. [2023-11-06 22:31:51,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 487 transitions. [2023-11-06 22:31:51,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:31:51,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 487 transitions. [2023-11-06 22:31:51,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 81.16666666666667) internal successors, (487), 6 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:31:51,387 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) [2023-11-06 22:31:51,388 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) [2023-11-06 22:31:51,391 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 6 states and 487 transitions. [2023-11-06 22:31:51,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 82 transitions, 299 flow [2023-11-06 22:31:51,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 82 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:31:51,398 INFO L231 Difference]: Finished difference. Result has 54 places, 62 transitions, 234 flow [2023-11-06 22:31:51,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=54, PETRI_TRANSITIONS=62} [2023-11-06 22:31:51,405 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2023-11-06 22:31:51,405 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 62 transitions, 234 flow [2023-11-06 22:31:51,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.5) internal successors, (429), 6 states have internal predecessors, (429), 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) [2023-11-06 22:31:51,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:31:51,406 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:51,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:31:51,407 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:31:51,408 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:51,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2018592758, now seen corresponding path program 1 times [2023-11-06 22:31:51,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:51,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046001028] [2023-11-06 22:31:51,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:51,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:51,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:51,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:51,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046001028] [2023-11-06 22:31:51,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046001028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:51,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:51,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:31:51,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889362741] [2023-11-06 22:31:51,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:51,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:31:51,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:51,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:31:51,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:31:51,942 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 126 [2023-11-06 22:31:51,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 71.5) internal successors, (429), 6 states have internal predecessors, (429), 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) [2023-11-06 22:31:51,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:31:51,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 126 [2023-11-06 22:31:51,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:31:52,220 INFO L124 PetriNetUnfolderBase]: 184/567 cut-off events. [2023-11-06 22:31:52,221 INFO L125 PetriNetUnfolderBase]: For 117/120 co-relation queries the response was YES. [2023-11-06 22:31:52,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1172 conditions, 567 events. 184/567 cut-off events. For 117/120 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2952 event pairs, 66 based on Foata normal form. 0/541 useless extension candidates. Maximal degree in co-relation 1159. Up to 293 conditions per place. [2023-11-06 22:31:52,228 INFO L140 encePairwiseOnDemand]: 115/126 looper letters, 54 selfloop transitions, 26 changer transitions 0/100 dead transitions. [2023-11-06 22:31:52,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 100 transitions, 488 flow [2023-11-06 22:31:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:31:52,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:31:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 484 transitions. [2023-11-06 22:31:52,232 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6402116402116402 [2023-11-06 22:31:52,233 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 484 transitions. [2023-11-06 22:31:52,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 484 transitions. [2023-11-06 22:31:52,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:31:52,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 484 transitions. [2023-11-06 22:31:52,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 80.66666666666667) internal successors, (484), 6 states have internal predecessors, (484), 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) [2023-11-06 22:31:52,239 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) [2023-11-06 22:31:52,240 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) [2023-11-06 22:31:52,240 INFO L175 Difference]: Start difference. First operand has 54 places, 62 transitions, 234 flow. Second operand 6 states and 484 transitions. [2023-11-06 22:31:52,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 100 transitions, 488 flow [2023-11-06 22:31:52,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 100 transitions, 488 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:31:52,248 INFO L231 Difference]: Finished difference. Result has 64 places, 83 transitions, 418 flow [2023-11-06 22:31:52,249 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=64, PETRI_TRANSITIONS=83} [2023-11-06 22:31:52,250 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 19 predicate places. [2023-11-06 22:31:52,250 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 83 transitions, 418 flow [2023-11-06 22:31:52,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.5) internal successors, (429), 6 states have internal predecessors, (429), 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) [2023-11-06 22:31:52,269 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:31:52,269 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:52,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:31:52,270 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:31:52,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:52,270 INFO L85 PathProgramCache]: Analyzing trace with hash -808187346, now seen corresponding path program 1 times [2023-11-06 22:31:52,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:52,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724924027] [2023-11-06 22:31:52,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:52,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:52,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:52,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724924027] [2023-11-06 22:31:52,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724924027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:52,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:52,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:31:52,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388403816] [2023-11-06 22:31:52,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:52,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:31:52,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:52,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:31:52,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:31:52,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 126 [2023-11-06 22:31:52,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 83 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 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) [2023-11-06 22:31:52,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:31:52,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 126 [2023-11-06 22:31:52,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:31:53,208 INFO L124 PetriNetUnfolderBase]: 396/958 cut-off events. [2023-11-06 22:31:53,208 INFO L125 PetriNetUnfolderBase]: For 641/653 co-relation queries the response was YES. [2023-11-06 22:31:53,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2606 conditions, 958 events. 396/958 cut-off events. For 641/653 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4963 event pairs, 131 based on Foata normal form. 1/914 useless extension candidates. Maximal degree in co-relation 2588. Up to 690 conditions per place. [2023-11-06 22:31:53,219 INFO L140 encePairwiseOnDemand]: 107/126 looper letters, 84 selfloop transitions, 69 changer transitions 0/162 dead transitions. [2023-11-06 22:31:53,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 162 transitions, 1008 flow [2023-11-06 22:31:53,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:31:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:31:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 463 transitions. [2023-11-06 22:31:53,222 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6124338624338624 [2023-11-06 22:31:53,223 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 463 transitions. [2023-11-06 22:31:53,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 463 transitions. [2023-11-06 22:31:53,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:31:53,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 463 transitions. [2023-11-06 22:31:53,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 77.16666666666667) internal successors, (463), 6 states have internal predecessors, (463), 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) [2023-11-06 22:31:53,228 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) [2023-11-06 22:31:53,229 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) [2023-11-06 22:31:53,230 INFO L175 Difference]: Start difference. First operand has 64 places, 83 transitions, 418 flow. Second operand 6 states and 463 transitions. [2023-11-06 22:31:53,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 162 transitions, 1008 flow [2023-11-06 22:31:53,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 162 transitions, 1008 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:31:53,242 INFO L231 Difference]: Finished difference. Result has 74 places, 146 transitions, 996 flow [2023-11-06 22:31:53,242 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=996, PETRI_PLACES=74, PETRI_TRANSITIONS=146} [2023-11-06 22:31:53,243 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2023-11-06 22:31:53,244 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 146 transitions, 996 flow [2023-11-06 22:31:53,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 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) [2023-11-06 22:31:53,245 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:31:53,245 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:53,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:31:53,246 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:31:53,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:53,246 INFO L85 PathProgramCache]: Analyzing trace with hash 423898408, now seen corresponding path program 1 times [2023-11-06 22:31:53,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:53,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067305355] [2023-11-06 22:31:53,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:53,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:31:53,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:31:53,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:31:53,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067305355] [2023-11-06 22:31:53,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067305355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:31:53,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:31:53,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:31:53,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038109641] [2023-11-06 22:31:53,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:31:53,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:31:53,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:31:53,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:31:53,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:31:53,741 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 126 [2023-11-06 22:31:53,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 146 transitions, 996 flow. Second operand has 6 states, 6 states have (on average 60.333333333333336) internal successors, (362), 6 states have internal predecessors, (362), 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) [2023-11-06 22:31:53,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:31:53,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 126 [2023-11-06 22:31:53,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:31:54,260 INFO L124 PetriNetUnfolderBase]: 467/1102 cut-off events. [2023-11-06 22:31:54,260 INFO L125 PetriNetUnfolderBase]: For 1335/1346 co-relation queries the response was YES. [2023-11-06 22:31:54,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3830 conditions, 1102 events. 467/1102 cut-off events. For 1335/1346 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 5952 event pairs, 119 based on Foata normal form. 0/1056 useless extension candidates. Maximal degree in co-relation 3807. Up to 818 conditions per place. [2023-11-06 22:31:54,276 INFO L140 encePairwiseOnDemand]: 111/126 looper letters, 148 selfloop transitions, 67 changer transitions 0/224 dead transitions. [2023-11-06 22:31:54,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 224 transitions, 1856 flow [2023-11-06 22:31:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:31:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:31:54,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 439 transitions. [2023-11-06 22:31:54,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5806878306878307 [2023-11-06 22:31:54,280 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 439 transitions. [2023-11-06 22:31:54,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 439 transitions. [2023-11-06 22:31:54,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:31:54,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 439 transitions. [2023-11-06 22:31:54,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 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) [2023-11-06 22:31:54,286 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) [2023-11-06 22:31:54,287 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) [2023-11-06 22:31:54,287 INFO L175 Difference]: Start difference. First operand has 74 places, 146 transitions, 996 flow. Second operand 6 states and 439 transitions. [2023-11-06 22:31:54,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 224 transitions, 1856 flow [2023-11-06 22:31:54,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 224 transitions, 1800 flow, removed 28 selfloop flow, removed 0 redundant places. [2023-11-06 22:31:54,311 INFO L231 Difference]: Finished difference. Result has 84 places, 199 transitions, 1600 flow [2023-11-06 22:31:54,312 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1600, PETRI_PLACES=84, PETRI_TRANSITIONS=199} [2023-11-06 22:31:54,313 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 39 predicate places. [2023-11-06 22:31:54,313 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 199 transitions, 1600 flow [2023-11-06 22:31:54,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.333333333333336) internal successors, (362), 6 states have internal predecessors, (362), 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) [2023-11-06 22:31:54,314 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:31:54,314 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:31:54,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:31:54,315 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:31:54,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:31:54,315 INFO L85 PathProgramCache]: Analyzing trace with hash -849467708, now seen corresponding path program 1 times [2023-11-06 22:31:54,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:31:54,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026920288] [2023-11-06 22:31:54,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:31:54,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:31:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:31:54,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:31:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:31:54,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:31:54,393 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:31:54,394 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-06 22:31:54,396 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-06 22:31:54,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-06 22:31:54,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-06 22:31:54,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-06 22:31:54,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-06 22:31:54,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-06 22:31:54,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-06 22:31:54,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:31:54,399 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 22:31:54,407 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:31:54,408 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:31:54,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:31:54 BasicIcfg [2023-11-06 22:31:54,447 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:31:54,448 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:31:54,448 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:31:54,448 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:31:54,449 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:46" (3/4) ... [2023-11-06 22:31:54,451 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:31:54,452 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:31:54,453 INFO L158 Benchmark]: Toolchain (without parser) took 9344.78ms. Allocated memory was 136.3MB in the beginning and 224.4MB in the end (delta: 88.1MB). Free memory was 98.8MB in the beginning and 114.2MB in the end (delta: -15.4MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2023-11-06 22:31:54,454 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:31:54,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 768.59ms. Allocated memory is still 136.3MB. Free memory was 98.8MB in the beginning and 71.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 22:31:54,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.34ms. Allocated memory is still 136.3MB. Free memory was 71.1MB in the beginning and 68.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:31:54,456 INFO L158 Benchmark]: Boogie Preprocessor took 49.50ms. Allocated memory is still 136.3MB. Free memory was 68.9MB in the beginning and 66.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:31:54,456 INFO L158 Benchmark]: RCFGBuilder took 794.72ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 66.9MB in the beginning and 142.6MB in the end (delta: -75.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-11-06 22:31:54,462 INFO L158 Benchmark]: TraceAbstraction took 7652.55ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 142.4MB in the beginning and 114.2MB in the end (delta: 28.2MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2023-11-06 22:31:54,463 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 224.4MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:31:54,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 768.59ms. Allocated memory is still 136.3MB. Free memory was 98.8MB in the beginning and 71.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.34ms. Allocated memory is still 136.3MB. Free memory was 71.1MB in the beginning and 68.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.50ms. Allocated memory is still 136.3MB. Free memory was 68.9MB in the beginning and 66.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 794.72ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 66.9MB in the beginning and 142.6MB in the end (delta: -75.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7652.55ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 142.4MB in the beginning and 114.2MB in the end (delta: 28.2MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 224.4MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 83 PlacesBefore, 45 PlacesAfterwards, 79 TransitionsBefore, 41 TransitionsAfterwards, 1392 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 38 TotalNumberOfCompositions, 10354 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1531, independent: 1029, independent conditional: 0, independent unconditional: 1029, dependent: 502, dependent conditional: 0, dependent unconditional: 502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 461, independent: 417, independent conditional: 0, independent unconditional: 417, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1531, independent: 612, independent conditional: 0, independent unconditional: 612, dependent: 458, dependent conditional: 0, dependent unconditional: 458, unknown: 461, unknown conditional: 0, unknown unconditional: 461] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 65, Positive conditional cache size: 0, Positive unconditional cache size: 65, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 931]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L928] 0 pthread_t id; [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L921] 1 int *p = &myglobal; [L923] EXPR 1 \read(*p) VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 \read(myglobal) VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p = *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p = *p + 1 VAL [*p = *p + 1=25, \read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal+1 VAL [*p = *p + 1=25, \read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] Now there is a data race (on the heap) between C: *p = *p + 1 [923] and C: myglobal+1 [931] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 115 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 402 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1207 IncrementalHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 2 mSDtfsCounter, 1207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1600occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 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! [2023-11-06 22:31:54,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de810fc-b43e-41d2-a67f-a4af8a79a169/bin/uautomizer-verify-WvqO1wxjHP/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