./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/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_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/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_4859c4fc-1b34-4435-8dfa-16493ea4d67a/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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- 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 11:22:43,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:22:43,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:22:43,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:22:43,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:22:43,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:22:43,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:22:43,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:22:43,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:22:43,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:22:43,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:22:43,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:22:43,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:22:43,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:22:43,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:22:43,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:22:43,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:22:43,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:22:43,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:22:43,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:22:43,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:22:43,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:22:43,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:22:43,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:22:43,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:22:43,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:22:43,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:22:43,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:22:43,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:22:43,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:22:43,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:22:43,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:22:43,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:22:43,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:22:43,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:22:43,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:22:43,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:22:43,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:22:43,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:22:43,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:22:43,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:22:43,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:22:43,733 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:22:43,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:22:43,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:22:43,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:22:43,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:22:43,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:22:43,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:22:43,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:22:43,737 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:22:43,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:22:43,739 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:22:43,740 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:22:43,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:22:43,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:22:43,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:22:43,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:22:43,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:22:43,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:22:43,742 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:22:43,742 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:22:43,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:22:43,742 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:22:43,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:22:43,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:22:43,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:22:43,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:22:43,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:22:43,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:22:43,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:22:43,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:22:43,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:22:43,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:22:43,748 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:22:43,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:22:43,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:22:43,748 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_4859c4fc-1b34-4435-8dfa-16493ea4d67a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2022-11-16 11:22:44,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:22:44,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:22:44,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:22:44,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:22:44,178 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:22:44,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-11-16 11:22:44,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/data/3a17f2e96/21ce45cb736243419b8faa5efb551f0b/FLAG6aebd0433 [2022-11-16 11:22:45,007 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:22:45,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-11-16 11:22:45,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/data/3a17f2e96/21ce45cb736243419b8faa5efb551f0b/FLAG6aebd0433 [2022-11-16 11:22:45,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/data/3a17f2e96/21ce45cb736243419b8faa5efb551f0b [2022-11-16 11:22:45,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:22:45,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:22:45,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:22:45,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:22:45,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:22:45,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:22:45" (1/1) ... [2022-11-16 11:22:45,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b7a11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:45, skipping insertion in model container [2022-11-16 11:22:45,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:22:45" (1/1) ... [2022-11-16 11:22:45,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:22:45,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:22:45,623 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_4859c4fc-1b34-4435-8dfa-16493ea4d67a/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2022-11-16 11:22:46,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:22:46,195 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:22:46,213 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_4859c4fc-1b34-4435-8dfa-16493ea4d67a/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2022-11-16 11:22:46,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:22:46,403 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:22:46,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46 WrapperNode [2022-11-16 11:22:46,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:22:46,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:22:46,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:22:46,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:22:46,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,510 INFO L138 Inliner]: procedures = 354, calls = 47, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2022-11-16 11:22:46,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:22:46,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:22:46,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:22:46,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:22:46,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:22:46,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:22:46,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:22:46,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:22:46,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (1/1) ... [2022-11-16 11:22:46,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:22:46,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:22:46,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:22:46,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:22:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-11-16 11:22:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-11-16 11:22:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-11-16 11:22:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-11-16 11:22:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-11-16 11:22:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:22:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:22:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:22:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:22:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 11:22:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:22:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:22:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:22:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:22:46,673 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 11:22:47,074 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:22:47,076 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:22:47,447 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:22:47,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:22:47,461 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:22:47,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:22:47 BoogieIcfgContainer [2022-11-16 11:22:47,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:22:47,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:22:47,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:22:47,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:22:47,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:22:45" (1/3) ... [2022-11-16 11:22:47,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d1d2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:22:47, skipping insertion in model container [2022-11-16 11:22:47,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:46" (2/3) ... [2022-11-16 11:22:47,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d1d2e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:22:47, skipping insertion in model container [2022-11-16 11:22:47,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:22:47" (3/3) ... [2022-11-16 11:22:47,482 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-11-16 11:22:47,494 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:22:47,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:22:47,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-16 11:22:47,509 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:22:47,621 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 11:22:47,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 141 places, 135 transitions, 286 flow [2022-11-16 11:22:47,734 INFO L130 PetriNetUnfolder]: 1/133 cut-off events. [2022-11-16 11:22:47,734 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 11:22:47,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 133 events. 1/133 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2022-11-16 11:22:47,741 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 135 transitions, 286 flow [2022-11-16 11:22:47,747 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 123 transitions, 255 flow [2022-11-16 11:22:47,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:22:47,768 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;@553dfc6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:22:47,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-11-16 11:22:47,788 INFO L130 PetriNetUnfolder]: 0/60 cut-off events. [2022-11-16 11:22:47,788 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:22:47,788 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:22:47,789 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:47,790 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-16 11:22:47,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:47,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1773544669, now seen corresponding path program 1 times [2022-11-16 11:22:47,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:47,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754492882] [2022-11-16 11:22:47,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:47,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:48,391 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 11:22:48,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:48,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754492882] [2022-11-16 11:22:48,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754492882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:48,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:48,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:22:48,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167263070] [2022-11-16 11:22:48,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:48,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:22:48,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:48,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:22:48,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:22:48,490 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 135 [2022-11-16 11:22:48,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 123 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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 11:22:48,502 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:22:48,503 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 135 [2022-11-16 11:22:48,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:22:48,698 INFO L130 PetriNetUnfolder]: 61/350 cut-off events. [2022-11-16 11:22:48,698 INFO L131 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2022-11-16 11:22:48,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 532 conditions, 350 events. 61/350 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1386 event pairs, 37 based on Foata normal form. 5/304 useless extension candidates. Maximal degree in co-relation 427. Up to 126 conditions per place. [2022-11-16 11:22:48,705 INFO L137 encePairwiseOnDemand]: 129/135 looper letters, 22 selfloop transitions, 4 changer transitions 0/127 dead transitions. [2022-11-16 11:22:48,705 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 127 transitions, 318 flow [2022-11-16 11:22:48,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:22:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:22:48,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2022-11-16 11:22:48,723 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8987654320987655 [2022-11-16 11:22:48,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 364 transitions. [2022-11-16 11:22:48,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 364 transitions. [2022-11-16 11:22:48,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:22:48,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 364 transitions. [2022-11-16 11:22:48,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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 11:22:48,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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 11:22:48,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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 11:22:48,746 INFO L175 Difference]: Start difference. First operand has 129 places, 123 transitions, 255 flow. Second operand 3 states and 364 transitions. [2022-11-16 11:22:48,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 127 transitions, 318 flow [2022-11-16 11:22:48,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 127 transitions, 312 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-16 11:22:48,756 INFO L231 Difference]: Finished difference. Result has 129 places, 124 transitions, 276 flow [2022-11-16 11:22:48,759 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=129, PETRI_TRANSITIONS=124} [2022-11-16 11:22:48,763 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, 0 predicate places. [2022-11-16 11:22:48,764 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 124 transitions, 276 flow [2022-11-16 11:22:48,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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 11:22:48,765 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:22:48,765 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] [2022-11-16 11:22:48,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:22:48,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-16 11:22:48,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:48,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1344703879, now seen corresponding path program 1 times [2022-11-16 11:22:48,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:48,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918724751] [2022-11-16 11:22:48,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:48,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:48,929 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 11:22:48,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:48,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918724751] [2022-11-16 11:22:48,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918724751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:48,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:48,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:22:48,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703924279] [2022-11-16 11:22:48,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:48,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:22:48,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:48,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:22:48,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:22:48,935 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 135 [2022-11-16 11:22:48,936 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 124 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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 11:22:48,936 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:22:48,937 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 135 [2022-11-16 11:22:48,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:22:49,074 INFO L130 PetriNetUnfolder]: 56/364 cut-off events. [2022-11-16 11:22:49,074 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2022-11-16 11:22:49,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 570 conditions, 364 events. 56/364 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1455 event pairs, 28 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 428. Up to 96 conditions per place. [2022-11-16 11:22:49,084 INFO L137 encePairwiseOnDemand]: 127/135 looper letters, 22 selfloop transitions, 6 changer transitions 0/132 dead transitions. [2022-11-16 11:22:49,085 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 132 transitions, 352 flow [2022-11-16 11:22:49,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:22:49,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:22:49,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2022-11-16 11:22:49,095 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9135802469135802 [2022-11-16 11:22:49,095 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 370 transitions. [2022-11-16 11:22:49,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 370 transitions. [2022-11-16 11:22:49,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:22:49,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 370 transitions. [2022-11-16 11:22:49,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 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 11:22:49,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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 11:22:49,105 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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 11:22:49,105 INFO L175 Difference]: Start difference. First operand has 129 places, 124 transitions, 276 flow. Second operand 3 states and 370 transitions. [2022-11-16 11:22:49,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 132 transitions, 352 flow [2022-11-16 11:22:49,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 132 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:22:49,117 INFO L231 Difference]: Finished difference. Result has 131 places, 129 transitions, 318 flow [2022-11-16 11:22:49,118 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=131, PETRI_TRANSITIONS=129} [2022-11-16 11:22:49,119 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, 2 predicate places. [2022-11-16 11:22:49,119 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 129 transitions, 318 flow [2022-11-16 11:22:49,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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 11:22:49,121 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:22:49,121 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] [2022-11-16 11:22:49,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:22:49,122 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-16 11:22:49,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:49,124 INFO L85 PathProgramCache]: Analyzing trace with hash -718110753, now seen corresponding path program 1 times [2022-11-16 11:22:49,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:49,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362847366] [2022-11-16 11:22:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:49,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:49,297 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 11:22:49,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:49,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362847366] [2022-11-16 11:22:49,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362847366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:49,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:49,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:22:49,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816902887] [2022-11-16 11:22:49,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:49,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:22:49,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:49,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:22:49,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:22:49,302 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 135 [2022-11-16 11:22:49,303 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 129 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 11:22:49,303 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:22:49,303 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 135 [2022-11-16 11:22:49,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:22:49,511 INFO L130 PetriNetUnfolder]: 92/500 cut-off events. [2022-11-16 11:22:49,511 INFO L131 PetriNetUnfolder]: For 136/146 co-relation queries the response was YES. [2022-11-16 11:22:49,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 879 conditions, 500 events. 92/500 cut-off events. For 136/146 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2293 event pairs, 36 based on Foata normal form. 3/458 useless extension candidates. Maximal degree in co-relation 731. Up to 150 conditions per place. [2022-11-16 11:22:49,518 INFO L137 encePairwiseOnDemand]: 127/135 looper letters, 36 selfloop transitions, 11 changer transitions 0/149 dead transitions. [2022-11-16 11:22:49,519 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 149 transitions, 493 flow [2022-11-16 11:22:49,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:22:49,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:22:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions. [2022-11-16 11:22:49,523 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9185185185185185 [2022-11-16 11:22:49,523 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 372 transitions. [2022-11-16 11:22:49,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 372 transitions. [2022-11-16 11:22:49,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:22:49,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 372 transitions. [2022-11-16 11:22:49,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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 11:22:49,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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 11:22:49,530 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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 11:22:49,530 INFO L175 Difference]: Start difference. First operand has 131 places, 129 transitions, 318 flow. Second operand 3 states and 372 transitions. [2022-11-16 11:22:49,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 149 transitions, 493 flow [2022-11-16 11:22:49,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 149 transitions, 469 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-16 11:22:49,541 INFO L231 Difference]: Finished difference. Result has 133 places, 137 transitions, 394 flow [2022-11-16 11:22:49,541 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=133, PETRI_TRANSITIONS=137} [2022-11-16 11:22:49,542 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, 4 predicate places. [2022-11-16 11:22:49,542 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 137 transitions, 394 flow [2022-11-16 11:22:49,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 11:22:49,543 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:22:49,543 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] [2022-11-16 11:22:49,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:22:49,544 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-16 11:22:49,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:49,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1917582544, now seen corresponding path program 1 times [2022-11-16 11:22:49,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:49,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250367676] [2022-11-16 11:22:49,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:49,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,406 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 11:22:50,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:50,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250367676] [2022-11-16 11:22:50,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250367676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:50,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:50,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:22:50,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537093618] [2022-11-16 11:22:50,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:50,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:50,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:50,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:50,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:22:50,421 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 135 [2022-11-16 11:22:50,423 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 137 transitions, 394 flow. Second operand has 6 states, 6 states have (on average 112.83333333333333) internal successors, (677), 6 states have internal predecessors, (677), 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 11:22:50,423 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:22:50,423 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 135 [2022-11-16 11:22:50,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:22:50,608 INFO L130 PetriNetUnfolder]: 32/319 cut-off events. [2022-11-16 11:22:50,608 INFO L131 PetriNetUnfolder]: For 89/126 co-relation queries the response was YES. [2022-11-16 11:22:50,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 319 events. 32/319 cut-off events. For 89/126 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1206 event pairs, 1 based on Foata normal form. 16/311 useless extension candidates. Maximal degree in co-relation 487. Up to 57 conditions per place. [2022-11-16 11:22:50,612 INFO L137 encePairwiseOnDemand]: 130/135 looper letters, 14 selfloop transitions, 4 changer transitions 0/136 dead transitions. [2022-11-16 11:22:50,612 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 136 transitions, 428 flow [2022-11-16 11:22:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:22:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:22:50,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 685 transitions. [2022-11-16 11:22:50,617 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.845679012345679 [2022-11-16 11:22:50,617 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 685 transitions. [2022-11-16 11:22:50,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 685 transitions. [2022-11-16 11:22:50,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:22:50,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 685 transitions. [2022-11-16 11:22:50,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 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 11:22:50,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 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 11:22:50,629 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 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 11:22:50,630 INFO L175 Difference]: Start difference. First operand has 133 places, 137 transitions, 394 flow. Second operand 6 states and 685 transitions. [2022-11-16 11:22:50,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 136 transitions, 428 flow [2022-11-16 11:22:50,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 136 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:22:50,642 INFO L231 Difference]: Finished difference. Result has 135 places, 136 transitions, 378 flow [2022-11-16 11:22:50,643 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=135, PETRI_TRANSITIONS=136} [2022-11-16 11:22:50,650 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, 6 predicate places. [2022-11-16 11:22:50,651 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 136 transitions, 378 flow [2022-11-16 11:22:50,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.83333333333333) internal successors, (677), 6 states have internal predecessors, (677), 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 11:22:50,652 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:22:50,652 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] [2022-11-16 11:22:50,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:22:50,654 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-16 11:22:50,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:50,655 INFO L85 PathProgramCache]: Analyzing trace with hash 535164637, now seen corresponding path program 1 times [2022-11-16 11:22:50,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:50,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930256848] [2022-11-16 11:22:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:50,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:50,895 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 11:22:50,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:50,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930256848] [2022-11-16 11:22:50,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930256848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:50,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:50,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:22:50,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140754453] [2022-11-16 11:22:50,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:50,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:22:50,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:50,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:22:50,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:22:50,902 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 135 [2022-11-16 11:22:50,903 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 136 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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 11:22:50,903 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:22:50,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 135 [2022-11-16 11:22:50,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:22:50,992 INFO L130 PetriNetUnfolder]: 8/207 cut-off events. [2022-11-16 11:22:50,992 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-16 11:22:50,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 207 events. 8/207 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 446 event pairs, 2 based on Foata normal form. 4/204 useless extension candidates. Maximal degree in co-relation 249. Up to 23 conditions per place. [2022-11-16 11:22:50,994 INFO L137 encePairwiseOnDemand]: 129/135 looper letters, 11 selfloop transitions, 6 changer transitions 1/118 dead transitions. [2022-11-16 11:22:50,995 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 118 transitions, 319 flow [2022-11-16 11:22:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:22:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:22:50,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2022-11-16 11:22:50,998 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9160493827160494 [2022-11-16 11:22:50,998 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 371 transitions. [2022-11-16 11:22:50,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 371 transitions. [2022-11-16 11:22:50,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:22:50,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 371 transitions. [2022-11-16 11:22:51,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 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 11:22:51,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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 11:22:51,002 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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 11:22:51,003 INFO L175 Difference]: Start difference. First operand has 135 places, 136 transitions, 378 flow. Second operand 3 states and 371 transitions. [2022-11-16 11:22:51,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 118 transitions, 319 flow [2022-11-16 11:22:51,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 118 transitions, 278 flow, removed 11 selfloop flow, removed 10 redundant places. [2022-11-16 11:22:51,006 INFO L231 Difference]: Finished difference. Result has 123 places, 115 transitions, 247 flow [2022-11-16 11:22:51,007 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=123, PETRI_TRANSITIONS=115} [2022-11-16 11:22:51,010 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -6 predicate places. [2022-11-16 11:22:51,010 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 115 transitions, 247 flow [2022-11-16 11:22:51,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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 11:22:51,011 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:22:51,011 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] [2022-11-16 11:22:51,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:22:51,012 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting f1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-16 11:22:51,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:51,013 INFO L85 PathProgramCache]: Analyzing trace with hash -193437503, now seen corresponding path program 1 times [2022-11-16 11:22:51,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:51,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744929916] [2022-11-16 11:22:51,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:51,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:51,140 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 11:22:51,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:51,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744929916] [2022-11-16 11:22:51,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744929916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:51,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:51,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:22:51,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649778406] [2022-11-16 11:22:51,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:51,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:22:51,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:51,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:22:51,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:22:51,148 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 135 [2022-11-16 11:22:51,149 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 115 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 11:22:51,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:22:51,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 135 [2022-11-16 11:22:51,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:22:51,221 INFO L130 PetriNetUnfolder]: 14/223 cut-off events. [2022-11-16 11:22:51,221 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 11:22:51,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 223 events. 14/223 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 568 event pairs, 12 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 179. Up to 47 conditions per place. [2022-11-16 11:22:51,224 INFO L137 encePairwiseOnDemand]: 132/135 looper letters, 14 selfloop transitions, 2 changer transitions 0/115 dead transitions. [2022-11-16 11:22:51,224 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 115 transitions, 281 flow [2022-11-16 11:22:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:22:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:22:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2022-11-16 11:22:51,227 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8716049382716049 [2022-11-16 11:22:51,227 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 353 transitions. [2022-11-16 11:22:51,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 353 transitions. [2022-11-16 11:22:51,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:22:51,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 353 transitions. [2022-11-16 11:22:51,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 11:22:51,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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 11:22:51,232 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 states have internal predecessors, (540), 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 11:22:51,232 INFO L175 Difference]: Start difference. First operand has 123 places, 115 transitions, 247 flow. Second operand 3 states and 353 transitions. [2022-11-16 11:22:51,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 115 transitions, 281 flow [2022-11-16 11:22:51,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 115 transitions, 275 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:22:51,236 INFO L231 Difference]: Finished difference. Result has 122 places, 114 transitions, 243 flow [2022-11-16 11:22:51,236 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=243, PETRI_PLACES=122, PETRI_TRANSITIONS=114} [2022-11-16 11:22:51,239 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -7 predicate places. [2022-11-16 11:22:51,239 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 243 flow [2022-11-16 11:22:51,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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 11:22:51,240 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:22:51,240 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:51,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:22:51,241 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-11-16 11:22:51,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:51,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1906591815, now seen corresponding path program 1 times [2022-11-16 11:22:51,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:22:51,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620773355] [2022-11-16 11:22:51,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:22:51,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:22:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:22:52,105 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 11:22:52,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:22:52,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620773355] [2022-11-16 11:22:52,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620773355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:22:52,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:22:52,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:22:52,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049486106] [2022-11-16 11:22:52,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:22:52,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:22:52,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:22:52,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:22:52,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:22:52,118 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 135 [2022-11-16 11:22:52,119 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 243 flow. Second operand has 6 states, 6 states have (on average 113.83333333333333) internal successors, (683), 6 states have internal predecessors, (683), 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 11:22:52,119 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:22:52,119 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 135 [2022-11-16 11:22:52,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:22:52,211 INFO L130 PetriNetUnfolder]: 2/166 cut-off events. [2022-11-16 11:22:52,211 INFO L131 PetriNetUnfolder]: For 2/14 co-relation queries the response was YES. [2022-11-16 11:22:52,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 166 events. 2/166 cut-off events. For 2/14 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 214 event pairs, 2 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 148. Up to 15 conditions per place. [2022-11-16 11:22:52,212 INFO L137 encePairwiseOnDemand]: 130/135 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions. [2022-11-16 11:22:52,212 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 113 transitions, 275 flow [2022-11-16 11:22:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:22:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:22:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 684 transitions. [2022-11-16 11:22:52,216 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2022-11-16 11:22:52,216 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 684 transitions. [2022-11-16 11:22:52,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 684 transitions. [2022-11-16 11:22:52,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:22:52,217 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 684 transitions. [2022-11-16 11:22:52,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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 11:22:52,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 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 11:22:52,224 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 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 11:22:52,224 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 243 flow. Second operand 6 states and 684 transitions. [2022-11-16 11:22:52,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 113 transitions, 275 flow [2022-11-16 11:22:52,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 113 transitions, 271 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:22:52,227 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2022-11-16 11:22:52,227 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2022-11-16 11:22:52,229 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -5 predicate places. [2022-11-16 11:22:52,229 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2022-11-16 11:22:52,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.83333333333333) internal successors, (683), 6 states have internal predecessors, (683), 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 11:22:52,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2022-11-16 11:22:52,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2022-11-16 11:22:52,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 14 remaining) [2022-11-16 11:22:52,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 14 remaining) [2022-11-16 11:22:52,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2022-11-16 11:22:52,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2022-11-16 11:22:52,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2022-11-16 11:22:52,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2022-11-16 11:22:52,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2022-11-16 11:22:52,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2022-11-16 11:22:52,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2022-11-16 11:22:52,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2022-11-16 11:22:52,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2022-11-16 11:22:52,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2022-11-16 11:22:52,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:22:52,243 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:22:52,251 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:22:52,251 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:22:52,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:22:52 BasicIcfg [2022-11-16 11:22:52,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:22:52,259 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:22:52,259 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:22:52,259 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:22:52,260 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:22:47" (3/4) ... [2022-11-16 11:22:52,263 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:22:52,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2022-11-16 11:22:52,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2022-11-16 11:22:52,278 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-16 11:22:52,278 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 11:22:52,279 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 11:22:52,279 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:22:52,279 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:22:52,334 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:22:52,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:22:52,336 INFO L158 Benchmark]: Toolchain (without parser) took 7073.88ms. Allocated memory was 113.2MB in the beginning and 172.0MB in the end (delta: 58.7MB). Free memory was 78.8MB in the beginning and 65.7MB in the end (delta: 13.2MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2022-11-16 11:22:52,336 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory was 67.0MB in the beginning and 66.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:22:52,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1140.91ms. Allocated memory is still 113.2MB. Free memory was 78.8MB in the beginning and 62.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 11:22:52,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.97ms. Allocated memory is still 113.2MB. Free memory was 62.0MB in the beginning and 59.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:22:52,337 INFO L158 Benchmark]: Boogie Preprocessor took 49.89ms. Allocated memory is still 113.2MB. Free memory was 59.2MB in the beginning and 56.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:22:52,338 INFO L158 Benchmark]: RCFGBuilder took 902.98ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 56.2MB in the beginning and 98.0MB in the end (delta: -41.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-11-16 11:22:52,338 INFO L158 Benchmark]: TraceAbstraction took 4790.14ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 97.2MB in the beginning and 68.8MB in the end (delta: 28.4MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2022-11-16 11:22:52,339 INFO L158 Benchmark]: Witness Printer took 75.39ms. Allocated memory is still 172.0MB. Free memory was 68.8MB in the beginning and 65.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:22:52,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory was 67.0MB in the beginning and 66.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1140.91ms. Allocated memory is still 113.2MB. Free memory was 78.8MB in the beginning and 62.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.97ms. Allocated memory is still 113.2MB. Free memory was 62.0MB in the beginning and 59.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.89ms. Allocated memory is still 113.2MB. Free memory was 59.2MB in the beginning and 56.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 902.98ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 56.2MB in the beginning and 98.0MB in the end (delta: -41.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4790.14ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 97.2MB in the beginning and 68.8MB in the end (delta: 28.4MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Witness Printer took 75.39ms. Allocated memory is still 172.0MB. Free memory was 68.8MB in the beginning and 65.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1378]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1379]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1360]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 187 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 178 IncrementalHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 83 mSDtfsCounter, 178 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=394occurred in iteration=3, InterpolantAutomatonStates: 27, 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, 2.3s InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 681 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:22:52,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4859c4fc-1b34-4435-8dfa-16493ea4d67a/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