./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:37:56,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:37:56,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:37:56,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:37:56,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:37:56,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:37:56,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:37:56,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:37:56,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:37:56,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:37:56,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:37:56,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:37:56,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:37:56,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:37:56,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:37:56,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:37:56,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:37:56,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:37:56,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:37:56,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:37:56,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:37:56,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:37:56,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:37:56,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:37:56,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:37:56,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:37:56,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:37:56,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:37:56,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:37:56,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:37:56,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:37:56,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:37:56,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:37:56,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:37:56,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:37:56,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:37:56,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:37:56,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:37:56,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:37:56,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:37:56,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:37:56,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:37:56,588 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:37:56,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:37:56,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:37:56,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:37:56,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:37:56,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:37:56,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:37:56,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:37:56,592 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:37:56,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:37:56,593 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:37:56,593 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:37:56,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:37:56,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:37:56,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:37:56,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:37:56,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:37:56,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:37:56,595 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:37:56,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:37:56,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:37:56,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:37:56,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:37:56,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:37:56,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:37:56,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:37:56,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:37:56,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:37:56,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:37:56,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:37:56,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:37:56,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:37:56,598 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:37:56,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:37:56,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:37:56,599 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_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2022-11-16 11:37:56,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:37:56,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:37:56,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:37:56,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:37:56,993 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:37:56,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2022-11-16 11:37:57,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/data/9b1700181/53eab7cf99504377a66967839bd8dc25/FLAGd008acab5 [2022-11-16 11:37:57,723 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:37:57,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2022-11-16 11:37:57,742 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/data/9b1700181/53eab7cf99504377a66967839bd8dc25/FLAGd008acab5 [2022-11-16 11:37:57,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/data/9b1700181/53eab7cf99504377a66967839bd8dc25 [2022-11-16 11:37:57,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:37:57,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:37:57,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:57,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:37:57,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:37:57,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:57" (1/1) ... [2022-11-16 11:37:57,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b80f8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:57, skipping insertion in model container [2022-11-16 11:37:57,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:37:57" (1/1) ... [2022-11-16 11:37:58,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:37:58,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:37:58,320 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2022-11-16 11:37:58,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:58,616 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:37:58,634 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2022-11-16 11:37:58,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:58,752 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:37:58,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58 WrapperNode [2022-11-16 11:37:58,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:58,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:58,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:37:58,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:37:58,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,839 INFO L138 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 117 [2022-11-16 11:37:58,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:58,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:37:58,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:37:58,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:37:58,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,904 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:37:58,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:37:58,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:37:58,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:37:58,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (1/1) ... [2022-11-16 11:37:58,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:37:58,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:58,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:37:59,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:37:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:37:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:37:59,033 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:37:59,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:37:59,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:37:59,033 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 11:37:59,034 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 11:37:59,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:37:59,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:37:59,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:37:59,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:37:59,036 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:37:59,205 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:37:59,208 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:37:59,551 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:37:59,575 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:37:59,590 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:37:59,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:59 BoogieIcfgContainer [2022-11-16 11:37:59,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:37:59,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:37:59,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:37:59,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:37:59,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:37:57" (1/3) ... [2022-11-16 11:37:59,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0f9c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:59, skipping insertion in model container [2022-11-16 11:37:59,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:58" (2/3) ... [2022-11-16 11:37:59,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0f9c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:59, skipping insertion in model container [2022-11-16 11:37:59,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:59" (3/3) ... [2022-11-16 11:37:59,613 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2022-11-16 11:37:59,624 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:37:59,639 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:37:59,640 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-11-16 11:37:59,640 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:37:59,788 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-16 11:37:59,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 145 transitions, 298 flow [2022-11-16 11:37:59,974 INFO L130 PetriNetUnfolder]: 4/144 cut-off events. [2022-11-16 11:37:59,974 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:37:59,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 144 events. 4/144 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 129 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-11-16 11:37:59,982 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 145 transitions, 298 flow [2022-11-16 11:37:59,988 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 136 transitions, 275 flow [2022-11-16 11:37:59,999 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:38:00,006 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;@56dfb4a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:38:00,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-16 11:38:00,015 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-16 11:38:00,016 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:38:00,016 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:38:00,017 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] [2022-11-16 11:38:00,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-16 11:38:00,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:00,024 INFO L85 PathProgramCache]: Analyzing trace with hash 422680525, now seen corresponding path program 1 times [2022-11-16 11:38:00,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:00,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217862062] [2022-11-16 11:38:00,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:00,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:00,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:00,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217862062] [2022-11-16 11:38:00,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217862062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:00,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:00,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:38:00,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013035727] [2022-11-16 11:38:00,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:00,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:38:00,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:00,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:38:00,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:38:00,536 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 145 [2022-11-16 11:38:00,541 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 136 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:00,548 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:38:00,548 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 145 [2022-11-16 11:38:00,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:38:00,962 INFO L130 PetriNetUnfolder]: 195/1055 cut-off events. [2022-11-16 11:38:00,963 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:38:00,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1504 conditions, 1055 events. 195/1055 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 6815 event pairs, 76 based on Foata normal form. 54/936 useless extension candidates. Maximal degree in co-relation 1453. Up to 224 conditions per place. [2022-11-16 11:38:00,974 INFO L137 encePairwiseOnDemand]: 120/145 looper letters, 37 selfloop transitions, 15 changer transitions 1/149 dead transitions. [2022-11-16 11:38:00,974 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 149 transitions, 405 flow [2022-11-16 11:38:00,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:38:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:38:00,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2022-11-16 11:38:00,992 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8735632183908046 [2022-11-16 11:38:00,993 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 380 transitions. [2022-11-16 11:38:00,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 380 transitions. [2022-11-16 11:38:01,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:38:01,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 380 transitions. [2022-11-16 11:38:01,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,020 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,022 INFO L175 Difference]: Start difference. First operand has 136 places, 136 transitions, 275 flow. Second operand 3 states and 380 transitions. [2022-11-16 11:38:01,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 149 transitions, 405 flow [2022-11-16 11:38:01,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 149 transitions, 404 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:38:01,036 INFO L231 Difference]: Finished difference. Result has 134 places, 140 transitions, 380 flow [2022-11-16 11:38:01,038 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=134, PETRI_TRANSITIONS=140} [2022-11-16 11:38:01,045 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -2 predicate places. [2022-11-16 11:38:01,046 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 140 transitions, 380 flow [2022-11-16 11:38:01,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,048 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:38:01,049 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:01,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:38:01,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-16 11:38:01,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:01,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1423769363, now seen corresponding path program 1 times [2022-11-16 11:38:01,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:01,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343988208] [2022-11-16 11:38:01,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:01,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:01,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:01,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:01,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343988208] [2022-11-16 11:38:01,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343988208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:01,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:01,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:38:01,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946646893] [2022-11-16 11:38:01,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:01,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:38:01,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:01,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:38:01,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:38:01,248 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 145 [2022-11-16 11:38:01,249 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 140 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,249 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:38:01,250 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 145 [2022-11-16 11:38:01,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:38:01,637 INFO L130 PetriNetUnfolder]: 235/1182 cut-off events. [2022-11-16 11:38:01,637 INFO L131 PetriNetUnfolder]: For 410/441 co-relation queries the response was YES. [2022-11-16 11:38:01,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2167 conditions, 1182 events. 235/1182 cut-off events. For 410/441 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7862 event pairs, 111 based on Foata normal form. 2/1033 useless extension candidates. Maximal degree in co-relation 2113. Up to 471 conditions per place. [2022-11-16 11:38:01,649 INFO L137 encePairwiseOnDemand]: 137/145 looper letters, 55 selfloop transitions, 10 changer transitions 0/158 dead transitions. [2022-11-16 11:38:01,650 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 158 transitions, 582 flow [2022-11-16 11:38:01,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:38:01,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:38:01,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2022-11-16 11:38:01,657 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8137931034482758 [2022-11-16 11:38:01,657 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 354 transitions. [2022-11-16 11:38:01,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 354 transitions. [2022-11-16 11:38:01,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:38:01,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 354 transitions. [2022-11-16 11:38:01,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,665 INFO L175 Difference]: Start difference. First operand has 134 places, 140 transitions, 380 flow. Second operand 3 states and 354 transitions. [2022-11-16 11:38:01,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 158 transitions, 582 flow [2022-11-16 11:38:01,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 158 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:38:01,673 INFO L231 Difference]: Finished difference. Result has 135 places, 148 transitions, 436 flow [2022-11-16 11:38:01,674 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=436, PETRI_PLACES=135, PETRI_TRANSITIONS=148} [2022-11-16 11:38:01,675 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -1 predicate places. [2022-11-16 11:38:01,675 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 148 transitions, 436 flow [2022-11-16 11:38:01,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,675 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:38:01,676 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:01,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:38:01,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-16 11:38:01,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:01,677 INFO L85 PathProgramCache]: Analyzing trace with hash -502937414, now seen corresponding path program 1 times [2022-11-16 11:38:01,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:01,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061855311] [2022-11-16 11:38:01,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:01,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:01,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:01,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061855311] [2022-11-16 11:38:01,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061855311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:01,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:01,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:38:01,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920476590] [2022-11-16 11:38:01,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:01,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:38:01,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:01,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:38:01,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:38:01,886 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 145 [2022-11-16 11:38:01,887 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 148 transitions, 436 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,887 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:38:01,887 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 145 [2022-11-16 11:38:01,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:38:01,941 INFO L130 PetriNetUnfolder]: 1/187 cut-off events. [2022-11-16 11:38:01,941 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-16 11:38:01,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 187 events. 1/187 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 194 event pairs, 0 based on Foata normal form. 2/176 useless extension candidates. Maximal degree in co-relation 198. Up to 21 conditions per place. [2022-11-16 11:38:01,942 INFO L137 encePairwiseOnDemand]: 141/145 looper letters, 7 selfloop transitions, 4 changer transitions 1/122 dead transitions. [2022-11-16 11:38:01,942 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 122 transitions, 320 flow [2022-11-16 11:38:01,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:38:01,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:38:01,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2022-11-16 11:38:01,945 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8919540229885058 [2022-11-16 11:38:01,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions. [2022-11-16 11:38:01,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions. [2022-11-16 11:38:01,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:38:01,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions. [2022-11-16 11:38:01,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,949 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,949 INFO L175 Difference]: Start difference. First operand has 135 places, 148 transitions, 436 flow. Second operand 3 states and 388 transitions. [2022-11-16 11:38:01,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 122 transitions, 320 flow [2022-11-16 11:38:01,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 122 transitions, 290 flow, removed 11 selfloop flow, removed 4 redundant places. [2022-11-16 11:38:01,955 INFO L231 Difference]: Finished difference. Result has 127 places, 121 transitions, 274 flow [2022-11-16 11:38:01,955 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=127, PETRI_TRANSITIONS=121} [2022-11-16 11:38:01,956 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -9 predicate places. [2022-11-16 11:38:01,957 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 121 transitions, 274 flow [2022-11-16 11:38:01,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:01,957 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:38:01,958 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:01,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:38:01,958 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-16 11:38:01,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:01,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1867257995, now seen corresponding path program 1 times [2022-11-16 11:38:01,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:01,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900918887] [2022-11-16 11:38:01,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:01,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:02,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:02,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900918887] [2022-11-16 11:38:02,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900918887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:02,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:02,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:38:02,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828333388] [2022-11-16 11:38:02,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:02,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:38:02,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:02,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:38:02,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:38:02,053 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 145 [2022-11-16 11:38:02,054 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 121 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,054 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:38:02,054 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 145 [2022-11-16 11:38:02,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:38:02,139 INFO L130 PetriNetUnfolder]: 1/183 cut-off events. [2022-11-16 11:38:02,139 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-16 11:38:02,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 183 events. 1/183 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 182 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 209. Up to 44 conditions per place. [2022-11-16 11:38:02,141 INFO L137 encePairwiseOnDemand]: 142/145 looper letters, 25 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2022-11-16 11:38:02,141 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 120 transitions, 326 flow [2022-11-16 11:38:02,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:38:02,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:38:02,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2022-11-16 11:38:02,143 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7701149425287356 [2022-11-16 11:38:02,143 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2022-11-16 11:38:02,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2022-11-16 11:38:02,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:38:02,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2022-11-16 11:38:02,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,153 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,154 INFO L175 Difference]: Start difference. First operand has 127 places, 121 transitions, 274 flow. Second operand 3 states and 335 transitions. [2022-11-16 11:38:02,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 120 transitions, 326 flow [2022-11-16 11:38:02,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 120 transitions, 322 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:38:02,158 INFO L231 Difference]: Finished difference. Result has 126 places, 120 transitions, 272 flow [2022-11-16 11:38:02,159 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=126, PETRI_TRANSITIONS=120} [2022-11-16 11:38:02,162 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -10 predicate places. [2022-11-16 11:38:02,162 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 120 transitions, 272 flow [2022-11-16 11:38:02,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,168 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:38:02,169 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:02,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:38:02,170 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-16 11:38:02,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:02,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1371464854, now seen corresponding path program 1 times [2022-11-16 11:38:02,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:02,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521850850] [2022-11-16 11:38:02,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:02,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:02,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:02,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:02,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521850850] [2022-11-16 11:38:02,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521850850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:02,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:02,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:38:02,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863665347] [2022-11-16 11:38:02,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:02,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:38:02,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:02,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:38:02,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:38:02,320 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 145 [2022-11-16 11:38:02,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 120 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,321 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:38:02,321 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 145 [2022-11-16 11:38:02,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:38:02,388 INFO L130 PetriNetUnfolder]: 1/181 cut-off events. [2022-11-16 11:38:02,388 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-11-16 11:38:02,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 181 events. 1/181 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 175 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 205. Up to 43 conditions per place. [2022-11-16 11:38:02,389 INFO L137 encePairwiseOnDemand]: 142/145 looper letters, 25 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2022-11-16 11:38:02,390 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 119 transitions, 324 flow [2022-11-16 11:38:02,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:38:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:38:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 332 transitions. [2022-11-16 11:38:02,392 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7632183908045977 [2022-11-16 11:38:02,392 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 332 transitions. [2022-11-16 11:38:02,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 332 transitions. [2022-11-16 11:38:02,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:38:02,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 332 transitions. [2022-11-16 11:38:02,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,396 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,397 INFO L175 Difference]: Start difference. First operand has 126 places, 120 transitions, 272 flow. Second operand 3 states and 332 transitions. [2022-11-16 11:38:02,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 119 transitions, 324 flow [2022-11-16 11:38:02,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 119 transitions, 320 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:38:02,402 INFO L231 Difference]: Finished difference. Result has 125 places, 119 transitions, 270 flow [2022-11-16 11:38:02,403 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=125, PETRI_TRANSITIONS=119} [2022-11-16 11:38:02,406 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -11 predicate places. [2022-11-16 11:38:02,406 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 119 transitions, 270 flow [2022-11-16 11:38:02,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,407 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:38:02,407 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:02,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:38:02,408 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-16 11:38:02,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:02,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1547957304, now seen corresponding path program 1 times [2022-11-16 11:38:02,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:02,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5859263] [2022-11-16 11:38:02,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:02,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:02,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:02,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5859263] [2022-11-16 11:38:02,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5859263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:02,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:02,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:38:02,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385635988] [2022-11-16 11:38:02,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:02,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:38:02,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:02,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:38:02,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:38:02,534 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 145 [2022-11-16 11:38:02,534 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 119 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,535 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:38:02,535 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 145 [2022-11-16 11:38:02,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:38:02,608 INFO L130 PetriNetUnfolder]: 1/179 cut-off events. [2022-11-16 11:38:02,608 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-11-16 11:38:02,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 179 events. 1/179 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 169 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 201. Up to 40 conditions per place. [2022-11-16 11:38:02,609 INFO L137 encePairwiseOnDemand]: 142/145 looper letters, 23 selfloop transitions, 2 changer transitions 1/118 dead transitions. [2022-11-16 11:38:02,609 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 118 transitions, 318 flow [2022-11-16 11:38:02,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:38:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:38:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 333 transitions. [2022-11-16 11:38:02,611 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7655172413793103 [2022-11-16 11:38:02,611 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 333 transitions. [2022-11-16 11:38:02,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 333 transitions. [2022-11-16 11:38:02,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:38:02,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 333 transitions. [2022-11-16 11:38:02,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,615 INFO L175 Difference]: Start difference. First operand has 125 places, 119 transitions, 270 flow. Second operand 3 states and 333 transitions. [2022-11-16 11:38:02,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 118 transitions, 318 flow [2022-11-16 11:38:02,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 118 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:38:02,619 INFO L231 Difference]: Finished difference. Result has 124 places, 117 transitions, 266 flow [2022-11-16 11:38:02,619 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=266, PETRI_PLACES=124, PETRI_TRANSITIONS=117} [2022-11-16 11:38:02,622 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -12 predicate places. [2022-11-16 11:38:02,623 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 117 transitions, 266 flow [2022-11-16 11:38:02,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:02,623 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:38:02,623 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:02,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:38:02,624 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-16 11:38:02,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash 297957641, now seen corresponding path program 1 times [2022-11-16 11:38:02,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:02,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681550738] [2022-11-16 11:38:02,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:02,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:03,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:03,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:03,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681550738] [2022-11-16 11:38:03,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681550738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:03,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:03,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:38:03,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471889563] [2022-11-16 11:38:03,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:03,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:38:03,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:03,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:38:03,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:38:03,244 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 145 [2022-11-16 11:38:03,245 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 266 flow. Second operand has 6 states, 6 states have (on average 124.66666666666667) internal successors, (748), 6 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:03,245 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:38:03,245 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 145 [2022-11-16 11:38:03,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:38:03,291 INFO L130 PetriNetUnfolder]: 1/177 cut-off events. [2022-11-16 11:38:03,291 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 11:38:03,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 177 events. 1/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 160 event pairs, 0 based on Foata normal form. 1/174 useless extension candidates. Maximal degree in co-relation 164. Up to 9 conditions per place. [2022-11-16 11:38:03,292 INFO L137 encePairwiseOnDemand]: 140/145 looper letters, 0 selfloop transitions, 0 changer transitions 116/116 dead transitions. [2022-11-16 11:38:03,292 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 116 transitions, 282 flow [2022-11-16 11:38:03,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:38:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:38:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 748 transitions. [2022-11-16 11:38:03,294 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8597701149425288 [2022-11-16 11:38:03,295 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 748 transitions. [2022-11-16 11:38:03,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 748 transitions. [2022-11-16 11:38:03,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:38:03,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 748 transitions. [2022-11-16 11:38:03,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 124.66666666666667) internal successors, (748), 6 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:03,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:03,300 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:03,300 INFO L175 Difference]: Start difference. First operand has 124 places, 117 transitions, 266 flow. Second operand 6 states and 748 transitions. [2022-11-16 11:38:03,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 116 transitions, 282 flow [2022-11-16 11:38:03,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 116 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:38:03,303 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2022-11-16 11:38:03,303 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2022-11-16 11:38:03,304 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -11 predicate places. [2022-11-16 11:38:03,304 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2022-11-16 11:38:03,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.66666666666667) internal successors, (748), 6 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:03,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2022-11-16 11:38:03,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2022-11-16 11:38:03,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2022-11-16 11:38:03,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2022-11-16 11:38:03,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2022-11-16 11:38:03,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2022-11-16 11:38:03,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2022-11-16 11:38:03,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 16 remaining) [2022-11-16 11:38:03,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2022-11-16 11:38:03,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2022-11-16 11:38:03,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2022-11-16 11:38:03,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2022-11-16 11:38:03,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2022-11-16 11:38:03,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2022-11-16 11:38:03,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2022-11-16 11:38:03,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2022-11-16 11:38:03,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:38:03,312 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:03,318 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:38:03,319 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:38:03,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:38:03 BasicIcfg [2022-11-16 11:38:03,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:38:03,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:38:03,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:38:03,325 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:38:03,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:59" (3/4) ... [2022-11-16 11:38:03,329 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:38:03,337 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-16 11:38:03,345 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-16 11:38:03,345 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:38:03,346 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:38:03,346 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:38:03,408 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:38:03,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:38:03,408 INFO L158 Benchmark]: Toolchain (without parser) took 5428.19ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 91.1MB in the beginning and 72.5MB in the end (delta: 18.6MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2022-11-16 11:38:03,409 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:38:03,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.34ms. Allocated memory is still 132.1MB. Free memory was 91.0MB in the beginning and 96.5MB in the end (delta: -5.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:38:03,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.67ms. Allocated memory is still 132.1MB. Free memory was 96.5MB in the beginning and 93.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:38:03,410 INFO L158 Benchmark]: Boogie Preprocessor took 70.51ms. Allocated memory is still 132.1MB. Free memory was 93.8MB in the beginning and 92.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:38:03,410 INFO L158 Benchmark]: RCFGBuilder took 681.94ms. Allocated memory is still 132.1MB. Free memory was 92.5MB in the beginning and 76.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 11:38:03,411 INFO L158 Benchmark]: TraceAbstraction took 3728.68ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 75.7MB in the beginning and 75.6MB in the end (delta: 80.8kB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-16 11:38:03,411 INFO L158 Benchmark]: Witness Printer took 82.72ms. Allocated memory is still 159.4MB. Free memory was 75.6MB in the beginning and 72.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:38:03,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 767.34ms. Allocated memory is still 132.1MB. Free memory was 91.0MB in the beginning and 96.5MB in the end (delta: -5.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.67ms. Allocated memory is still 132.1MB. Free memory was 96.5MB in the beginning and 93.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.51ms. Allocated memory is still 132.1MB. Free memory was 93.8MB in the beginning and 92.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 681.94ms. Allocated memory is still 132.1MB. Free memory was 92.5MB in the beginning and 76.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3728.68ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 75.7MB in the beginning and 75.6MB in the end (delta: 80.8kB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Witness Printer took 82.72ms. Allocated memory is still 159.4MB. Free memory was 75.6MB in the beginning and 72.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 186 locations, 16 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 138 mSDtfsCounter, 180 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=436occurred in iteration=2, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 423 NumberOfCodeBlocks, 423 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:38:03,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_839430b6-1050-436a-8b28-bbe9395f5945/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE