./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f696f3d7a078e1a0d9bb5ce793945c7092990826a45e57529562474d0b18f4a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:34:39,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:34:39,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:34:39,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:34:39,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:34:39,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:34:39,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:34:39,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:34:39,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:34:39,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:34:39,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:34:39,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:34:39,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:34:39,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:34:39,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:34:39,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:34:39,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:34:39,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:34:39,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:34:39,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:34:39,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:34:39,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:34:39,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:34:39,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:34:39,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:34:39,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:34:39,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:34:39,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:34:39,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:34:39,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:34:39,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:34:39,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:34:39,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:34:39,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:34:39,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:34:39,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:34:39,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:34:39,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:34:39,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:34:39,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:34:39,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:34:39,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 19:34:39,391 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:34:39,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:34:39,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:34:39,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:34:39,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:34:39,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:34:39,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:34:39,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:34:39,395 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:34:39,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:34:39,397 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:34:39,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:34:39,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:34:39,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:34:39,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:34:39,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:34:39,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:34:39,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:34:39,399 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 19:34:39,399 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:34:39,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:34:39,399 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:34:39,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:34:39,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:34:39,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:34:39,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:34:39,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:34:39,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:34:39,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:34:39,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:34:39,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:34:39,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:34:39,402 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:34:39,402 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:34:39,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:34:39,402 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_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f696f3d7a078e1a0d9bb5ce793945c7092990826a45e57529562474d0b18f4a [2022-11-18 19:34:39,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:34:39,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:34:39,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:34:39,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:34:39,797 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:34:39,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2022-11-18 19:34:39,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/data/6b4af0138/cff23593002f4657bbe04bcdf7966a7a/FLAG7b2b00b82 [2022-11-18 19:34:40,528 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:34:40,529 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2022-11-18 19:34:40,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/data/6b4af0138/cff23593002f4657bbe04bcdf7966a7a/FLAG7b2b00b82 [2022-11-18 19:34:40,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/data/6b4af0138/cff23593002f4657bbe04bcdf7966a7a [2022-11-18 19:34:40,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:34:40,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:34:40,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:34:40,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:34:40,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:34:40,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:34:40" (1/1) ... [2022-11-18 19:34:40,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76888da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:40, skipping insertion in model container [2022-11-18 19:34:40,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:34:40" (1/1) ... [2022-11-18 19:34:40,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:34:40,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:34:41,149 WARN L234 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_a12910cc-3d88-4c0f-9b41-d6c37605c41c/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c[3027,3040] [2022-11-18 19:34:41,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:34:41,159 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:34:41,189 WARN L234 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_a12910cc-3d88-4c0f-9b41-d6c37605c41c/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c[3027,3040] [2022-11-18 19:34:41,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:34:41,205 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:34:41,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41 WrapperNode [2022-11-18 19:34:41,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:34:41,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:34:41,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:34:41,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:34:41,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,253 INFO L138 Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 258 [2022-11-18 19:34:41,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:34:41,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:34:41,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:34:41,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:34:41,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,283 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:34:41,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:34:41,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:34:41,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:34:41,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (1/1) ... [2022-11-18 19:34:41,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:34:41,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:34:41,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:34:41,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:34:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:34:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 19:34:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 19:34:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 19:34:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 19:34:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 19:34:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 19:34:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:34:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:34:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:34:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 19:34:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 19:34:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:34:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:34:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:34:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:34:41,379 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 19:34:41,528 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:34:41,530 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:34:42,013 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:34:42,195 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:34:42,196 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:34:42,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:34:42 BoogieIcfgContainer [2022-11-18 19:34:42,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:34:42,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:34:42,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:34:42,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:34:42,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:34:40" (1/3) ... [2022-11-18 19:34:42,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28dd1aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:34:42, skipping insertion in model container [2022-11-18 19:34:42,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:34:41" (2/3) ... [2022-11-18 19:34:42,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28dd1aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:34:42, skipping insertion in model container [2022-11-18 19:34:42,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:34:42" (3/3) ... [2022-11-18 19:34:42,212 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2022-11-18 19:34:42,222 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 19:34:42,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:34:42,233 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-11-18 19:34:42,234 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 19:34:42,349 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 19:34:42,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 203 transitions, 430 flow [2022-11-18 19:34:42,531 INFO L130 PetriNetUnfolder]: 10/200 cut-off events. [2022-11-18 19:34:42,531 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 19:34:42,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 200 events. 10/200 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 277 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 158. Up to 2 conditions per place. [2022-11-18 19:34:42,540 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 203 transitions, 430 flow [2022-11-18 19:34:42,552 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 187 places, 187 transitions, 389 flow [2022-11-18 19:34:42,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:34:42,583 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;@6300b41b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:34:42,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2022-11-18 19:34:42,604 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2022-11-18 19:34:42,604 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:34:42,604 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:42,605 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] [2022-11-18 19:34:42,606 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:42,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:42,612 INFO L85 PathProgramCache]: Analyzing trace with hash -480011544, now seen corresponding path program 1 times [2022-11-18 19:34:42,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:42,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026339906] [2022-11-18 19:34:42,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:42,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:42,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:42,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026339906] [2022-11-18 19:34:42,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026339906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:42,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:42,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:34:42,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628346442] [2022-11-18 19:34:42,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:42,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:34:42,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:42,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:34:42,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:34:42,985 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 203 [2022-11-18 19:34:42,997 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 187 transitions, 389 flow. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:42,997 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:42,998 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 203 [2022-11-18 19:34:42,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:43,214 INFO L130 PetriNetUnfolder]: 83/351 cut-off events. [2022-11-18 19:34:43,214 INFO L131 PetriNetUnfolder]: For 51/65 co-relation queries the response was YES. [2022-11-18 19:34:43,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 351 events. 83/351 cut-off events. For 51/65 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1118 event pairs, 38 based on Foata normal form. 22/309 useless extension candidates. Maximal degree in co-relation 356. Up to 131 conditions per place. [2022-11-18 19:34:43,225 INFO L137 encePairwiseOnDemand]: 173/203 looper letters, 26 selfloop transitions, 2 changer transitions 2/159 dead transitions. [2022-11-18 19:34:43,226 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 159 transitions, 389 flow [2022-11-18 19:34:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:34:43,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:34:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 491 transitions. [2022-11-18 19:34:43,244 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.80623973727422 [2022-11-18 19:34:43,245 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 491 transitions. [2022-11-18 19:34:43,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 491 transitions. [2022-11-18 19:34:43,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:43,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 491 transitions. [2022-11-18 19:34:43,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,265 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,267 INFO L175 Difference]: Start difference. First operand has 187 places, 187 transitions, 389 flow. Second operand 3 states and 491 transitions. [2022-11-18 19:34:43,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 159 transitions, 389 flow [2022-11-18 19:34:43,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 159 transitions, 380 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 19:34:43,277 INFO L231 Difference]: Finished difference. Result has 159 places, 157 transitions, 324 flow [2022-11-18 19:34:43,280 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=159, PETRI_TRANSITIONS=157} [2022-11-18 19:34:43,284 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -28 predicate places. [2022-11-18 19:34:43,284 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 157 transitions, 324 flow [2022-11-18 19:34:43,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,285 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:43,285 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] [2022-11-18 19:34:43,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:34:43,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:43,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:43,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1355584632, now seen corresponding path program 1 times [2022-11-18 19:34:43,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:43,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637004728] [2022-11-18 19:34:43,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:43,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:43,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:43,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637004728] [2022-11-18 19:34:43,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637004728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:43,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:43,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:34:43,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198145714] [2022-11-18 19:34:43,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:43,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:34:43,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:43,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:34:43,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:34:43,424 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 203 [2022-11-18 19:34:43,425 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 157 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,425 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:43,425 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 203 [2022-11-18 19:34:43,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:43,573 INFO L130 PetriNetUnfolder]: 83/348 cut-off events. [2022-11-18 19:34:43,573 INFO L131 PetriNetUnfolder]: For 8/22 co-relation queries the response was YES. [2022-11-18 19:34:43,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 348 events. 83/348 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1116 event pairs, 38 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 469. Up to 125 conditions per place. [2022-11-18 19:34:43,576 INFO L137 encePairwiseOnDemand]: 200/203 looper letters, 20 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2022-11-18 19:34:43,576 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 156 transitions, 366 flow [2022-11-18 19:34:43,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:34:43,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:34:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-18 19:34:43,581 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7816091954022989 [2022-11-18 19:34:43,582 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-18 19:34:43,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-18 19:34:43,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:43,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-18 19:34:43,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,589 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,589 INFO L175 Difference]: Start difference. First operand has 159 places, 157 transitions, 324 flow. Second operand 3 states and 476 transitions. [2022-11-18 19:34:43,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 156 transitions, 366 flow [2022-11-18 19:34:43,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 156 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:34:43,597 INFO L231 Difference]: Finished difference. Result has 156 places, 156 transitions, 322 flow [2022-11-18 19:34:43,598 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=156, PETRI_TRANSITIONS=156} [2022-11-18 19:34:43,599 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -31 predicate places. [2022-11-18 19:34:43,600 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 156 transitions, 322 flow [2022-11-18 19:34:43,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,600 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:43,600 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] [2022-11-18 19:34:43,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:34:43,601 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:43,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:43,602 INFO L85 PathProgramCache]: Analyzing trace with hash 519159417, now seen corresponding path program 1 times [2022-11-18 19:34:43,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:43,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078412311] [2022-11-18 19:34:43,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:43,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:43,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:43,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078412311] [2022-11-18 19:34:43,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078412311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:43,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:43,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:34:43,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175820686] [2022-11-18 19:34:43,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:43,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:34:43,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:43,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:34:43,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:34:43,741 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 203 [2022-11-18 19:34:43,742 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 156 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:43,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 203 [2022-11-18 19:34:43,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:43,893 INFO L130 PetriNetUnfolder]: 83/347 cut-off events. [2022-11-18 19:34:43,894 INFO L131 PetriNetUnfolder]: For 8/22 co-relation queries the response was YES. [2022-11-18 19:34:43,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 347 events. 83/347 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1112 event pairs, 38 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 461. Up to 125 conditions per place. [2022-11-18 19:34:43,898 INFO L137 encePairwiseOnDemand]: 200/203 looper letters, 20 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2022-11-18 19:34:43,899 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 155 transitions, 364 flow [2022-11-18 19:34:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:34:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:34:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-18 19:34:43,903 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7816091954022989 [2022-11-18 19:34:43,903 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-18 19:34:43,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-18 19:34:43,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:43,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-18 19:34:43,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,908 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,908 INFO L175 Difference]: Start difference. First operand has 156 places, 156 transitions, 322 flow. Second operand 3 states and 476 transitions. [2022-11-18 19:34:43,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 155 transitions, 364 flow [2022-11-18 19:34:43,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 155 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:34:43,915 INFO L231 Difference]: Finished difference. Result has 155 places, 155 transitions, 320 flow [2022-11-18 19:34:43,916 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=155, PETRI_TRANSITIONS=155} [2022-11-18 19:34:43,918 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -32 predicate places. [2022-11-18 19:34:43,918 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 155 transitions, 320 flow [2022-11-18 19:34:43,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:43,919 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:43,919 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:34:43,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:34:43,920 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:43,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:43,921 INFO L85 PathProgramCache]: Analyzing trace with hash -103858925, now seen corresponding path program 1 times [2022-11-18 19:34:43,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:43,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346821838] [2022-11-18 19:34:43,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:43,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:44,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:44,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346821838] [2022-11-18 19:34:44,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346821838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:44,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:44,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:34:44,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226766224] [2022-11-18 19:34:44,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:44,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:34:44,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:44,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:34:44,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:34:44,027 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 203 [2022-11-18 19:34:44,028 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 155 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,028 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:44,029 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 203 [2022-11-18 19:34:44,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:44,149 INFO L130 PetriNetUnfolder]: 83/346 cut-off events. [2022-11-18 19:34:44,149 INFO L131 PetriNetUnfolder]: For 8/22 co-relation queries the response was YES. [2022-11-18 19:34:44,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 346 events. 83/346 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1111 event pairs, 38 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 453. Up to 125 conditions per place. [2022-11-18 19:34:44,152 INFO L137 encePairwiseOnDemand]: 200/203 looper letters, 20 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2022-11-18 19:34:44,153 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 154 transitions, 362 flow [2022-11-18 19:34:44,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:34:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:34:44,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-18 19:34:44,156 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7816091954022989 [2022-11-18 19:34:44,156 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-18 19:34:44,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-18 19:34:44,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:44,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-18 19:34:44,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,166 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,167 INFO L175 Difference]: Start difference. First operand has 155 places, 155 transitions, 320 flow. Second operand 3 states and 476 transitions. [2022-11-18 19:34:44,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 154 transitions, 362 flow [2022-11-18 19:34:44,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 154 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:34:44,176 INFO L231 Difference]: Finished difference. Result has 154 places, 154 transitions, 318 flow [2022-11-18 19:34:44,176 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=154, PETRI_TRANSITIONS=154} [2022-11-18 19:34:44,178 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -33 predicate places. [2022-11-18 19:34:44,178 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 154 transitions, 318 flow [2022-11-18 19:34:44,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,179 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:44,179 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] [2022-11-18 19:34:44,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:34:44,180 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:44,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:44,180 INFO L85 PathProgramCache]: Analyzing trace with hash -670139487, now seen corresponding path program 1 times [2022-11-18 19:34:44,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:44,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594231872] [2022-11-18 19:34:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:44,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:44,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:44,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:44,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594231872] [2022-11-18 19:34:44,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594231872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:44,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:44,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:34:44,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786245955] [2022-11-18 19:34:44,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:44,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:34:44,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:44,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:34:44,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:34:44,268 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 203 [2022-11-18 19:34:44,269 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 154 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,269 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:44,269 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 203 [2022-11-18 19:34:44,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:44,429 INFO L130 PetriNetUnfolder]: 129/527 cut-off events. [2022-11-18 19:34:44,429 INFO L131 PetriNetUnfolder]: For 15/39 co-relation queries the response was YES. [2022-11-18 19:34:44,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 527 events. 129/527 cut-off events. For 15/39 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2247 event pairs, 19 based on Foata normal form. 1/453 useless extension candidates. Maximal degree in co-relation 702. Up to 132 conditions per place. [2022-11-18 19:34:44,433 INFO L137 encePairwiseOnDemand]: 194/203 looper letters, 29 selfloop transitions, 6 changer transitions 0/164 dead transitions. [2022-11-18 19:34:44,433 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 164 transitions, 413 flow [2022-11-18 19:34:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:34:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:34:44,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2022-11-18 19:34:44,435 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7914614121510674 [2022-11-18 19:34:44,436 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 482 transitions. [2022-11-18 19:34:44,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 482 transitions. [2022-11-18 19:34:44,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:44,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 482 transitions. [2022-11-18 19:34:44,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,440 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,440 INFO L175 Difference]: Start difference. First operand has 154 places, 154 transitions, 318 flow. Second operand 3 states and 482 transitions. [2022-11-18 19:34:44,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 164 transitions, 413 flow [2022-11-18 19:34:44,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 164 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:34:44,444 INFO L231 Difference]: Finished difference. Result has 153 places, 156 transitions, 352 flow [2022-11-18 19:34:44,445 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=153, PETRI_TRANSITIONS=156} [2022-11-18 19:34:44,448 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -34 predicate places. [2022-11-18 19:34:44,448 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 156 transitions, 352 flow [2022-11-18 19:34:44,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,449 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:44,449 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:34:44,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:34:44,449 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:44,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:44,451 INFO L85 PathProgramCache]: Analyzing trace with hash 241066506, now seen corresponding path program 1 times [2022-11-18 19:34:44,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:44,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417468285] [2022-11-18 19:34:44,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:44,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:44,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:44,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417468285] [2022-11-18 19:34:44,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417468285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:44,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:44,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:34:44,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576870927] [2022-11-18 19:34:44,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:44,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:34:44,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:44,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:34:44,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:34:44,526 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2022-11-18 19:34:44,527 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 156 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,527 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:44,527 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2022-11-18 19:34:44,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:44,677 INFO L130 PetriNetUnfolder]: 168/662 cut-off events. [2022-11-18 19:34:44,677 INFO L131 PetriNetUnfolder]: For 212/278 co-relation queries the response was YES. [2022-11-18 19:34:44,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 662 events. 168/662 cut-off events. For 212/278 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3248 event pairs, 41 based on Foata normal form. 1/572 useless extension candidates. Maximal degree in co-relation 761. Up to 144 conditions per place. [2022-11-18 19:34:44,683 INFO L137 encePairwiseOnDemand]: 199/203 looper letters, 33 selfloop transitions, 5 changer transitions 0/170 dead transitions. [2022-11-18 19:34:44,684 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 170 transitions, 489 flow [2022-11-18 19:34:44,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:34:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:34:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2022-11-18 19:34:44,686 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8078817733990148 [2022-11-18 19:34:44,686 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 492 transitions. [2022-11-18 19:34:44,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 492 transitions. [2022-11-18 19:34:44,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:44,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 492 transitions. [2022-11-18 19:34:44,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,692 INFO L175 Difference]: Start difference. First operand has 153 places, 156 transitions, 352 flow. Second operand 3 states and 492 transitions. [2022-11-18 19:34:44,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 170 transitions, 489 flow [2022-11-18 19:34:44,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 170 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:34:44,699 INFO L231 Difference]: Finished difference. Result has 153 places, 159 transitions, 377 flow [2022-11-18 19:34:44,700 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=377, PETRI_PLACES=153, PETRI_TRANSITIONS=159} [2022-11-18 19:34:44,703 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -34 predicate places. [2022-11-18 19:34:44,704 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 159 transitions, 377 flow [2022-11-18 19:34:44,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,705 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:44,705 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] [2022-11-18 19:34:44,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:34:44,706 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:44,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:44,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1077447997, now seen corresponding path program 1 times [2022-11-18 19:34:44,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:44,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261908209] [2022-11-18 19:34:44,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:44,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:44,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:44,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261908209] [2022-11-18 19:34:44,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261908209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:44,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:44,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:34:44,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798025554] [2022-11-18 19:34:44,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:44,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:34:44,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:44,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:34:44,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:34:44,759 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2022-11-18 19:34:44,760 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 159 transitions, 377 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:44,761 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:44,761 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2022-11-18 19:34:44,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:45,038 INFO L130 PetriNetUnfolder]: 269/1077 cut-off events. [2022-11-18 19:34:45,038 INFO L131 PetriNetUnfolder]: For 399/564 co-relation queries the response was YES. [2022-11-18 19:34:45,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 1077 events. 269/1077 cut-off events. For 399/564 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6547 event pairs, 100 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 776. Up to 285 conditions per place. [2022-11-18 19:34:45,048 INFO L137 encePairwiseOnDemand]: 199/203 looper letters, 42 selfloop transitions, 5 changer transitions 0/178 dead transitions. [2022-11-18 19:34:45,048 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 178 transitions, 553 flow [2022-11-18 19:34:45,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:34:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:34:45,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2022-11-18 19:34:45,050 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8111658456486043 [2022-11-18 19:34:45,050 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 494 transitions. [2022-11-18 19:34:45,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 494 transitions. [2022-11-18 19:34:45,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:45,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 494 transitions. [2022-11-18 19:34:45,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,055 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,056 INFO L175 Difference]: Start difference. First operand has 153 places, 159 transitions, 377 flow. Second operand 3 states and 494 transitions. [2022-11-18 19:34:45,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 178 transitions, 553 flow [2022-11-18 19:34:45,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 178 transitions, 546 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:34:45,061 INFO L231 Difference]: Finished difference. Result has 154 places, 162 transitions, 409 flow [2022-11-18 19:34:45,062 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=154, PETRI_TRANSITIONS=162} [2022-11-18 19:34:45,063 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -33 predicate places. [2022-11-18 19:34:45,063 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 162 transitions, 409 flow [2022-11-18 19:34:45,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,064 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:45,064 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:34:45,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:34:45,066 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:45,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:45,067 INFO L85 PathProgramCache]: Analyzing trace with hash -104910581, now seen corresponding path program 1 times [2022-11-18 19:34:45,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:45,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351917568] [2022-11-18 19:34:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:45,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:45,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:45,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351917568] [2022-11-18 19:34:45,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351917568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:45,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:45,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:34:45,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77356789] [2022-11-18 19:34:45,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:45,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:34:45,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:45,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:34:45,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:34:45,126 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2022-11-18 19:34:45,126 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 162 transitions, 409 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,126 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:45,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2022-11-18 19:34:45,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:45,411 INFO L130 PetriNetUnfolder]: 339/1471 cut-off events. [2022-11-18 19:34:45,412 INFO L131 PetriNetUnfolder]: For 729/935 co-relation queries the response was YES. [2022-11-18 19:34:45,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2607 conditions, 1471 events. 339/1471 cut-off events. For 729/935 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 10161 event pairs, 47 based on Foata normal form. 30/1315 useless extension candidates. Maximal degree in co-relation 1541. Up to 397 conditions per place. [2022-11-18 19:34:45,423 INFO L137 encePairwiseOnDemand]: 196/203 looper letters, 50 selfloop transitions, 7 changer transitions 0/187 dead transitions. [2022-11-18 19:34:45,424 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 187 transitions, 649 flow [2022-11-18 19:34:45,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:34:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:34:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2022-11-18 19:34:45,426 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.812807881773399 [2022-11-18 19:34:45,426 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 495 transitions. [2022-11-18 19:34:45,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 495 transitions. [2022-11-18 19:34:45,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:45,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 495 transitions. [2022-11-18 19:34:45,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,431 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,431 INFO L175 Difference]: Start difference. First operand has 154 places, 162 transitions, 409 flow. Second operand 3 states and 495 transitions. [2022-11-18 19:34:45,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 187 transitions, 649 flow [2022-11-18 19:34:45,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 187 transitions, 640 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:34:45,436 INFO L231 Difference]: Finished difference. Result has 156 places, 166 transitions, 452 flow [2022-11-18 19:34:45,436 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=156, PETRI_TRANSITIONS=166} [2022-11-18 19:34:45,437 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -31 predicate places. [2022-11-18 19:34:45,437 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 166 transitions, 452 flow [2022-11-18 19:34:45,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,438 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:45,438 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] [2022-11-18 19:34:45,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:34:45,438 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:45,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:45,439 INFO L85 PathProgramCache]: Analyzing trace with hash -557130740, now seen corresponding path program 1 times [2022-11-18 19:34:45,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:45,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614928902] [2022-11-18 19:34:45,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:45,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:45,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:45,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614928902] [2022-11-18 19:34:45,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614928902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:45,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:45,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:34:45,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789926748] [2022-11-18 19:34:45,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:45,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:34:45,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:45,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:34:45,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:34:45,968 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 203 [2022-11-18 19:34:45,969 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 166 transitions, 452 flow. Second operand has 6 states, 6 states have (on average 138.0) internal successors, (828), 6 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:45,969 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:45,969 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 203 [2022-11-18 19:34:45,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:47,029 INFO L130 PetriNetUnfolder]: 2314/4372 cut-off events. [2022-11-18 19:34:47,029 INFO L131 PetriNetUnfolder]: For 6604/6940 co-relation queries the response was YES. [2022-11-18 19:34:47,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12298 conditions, 4372 events. 2314/4372 cut-off events. For 6604/6940 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 25984 event pairs, 137 based on Foata normal form. 12/4016 useless extension candidates. Maximal degree in co-relation 7099. Up to 1551 conditions per place. [2022-11-18 19:34:47,079 INFO L137 encePairwiseOnDemand]: 198/203 looper letters, 156 selfloop transitions, 4 changer transitions 0/273 dead transitions. [2022-11-18 19:34:47,079 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 273 transitions, 1402 flow [2022-11-18 19:34:47,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:34:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:34:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 887 transitions. [2022-11-18 19:34:47,083 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7282430213464697 [2022-11-18 19:34:47,083 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 887 transitions. [2022-11-18 19:34:47,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 887 transitions. [2022-11-18 19:34:47,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:47,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 887 transitions. [2022-11-18 19:34:47,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:47,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:47,090 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:47,091 INFO L175 Difference]: Start difference. First operand has 156 places, 166 transitions, 452 flow. Second operand 6 states and 887 transitions. [2022-11-18 19:34:47,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 273 transitions, 1402 flow [2022-11-18 19:34:47,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 273 transitions, 1340 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:34:47,109 INFO L231 Difference]: Finished difference. Result has 158 places, 165 transitions, 444 flow [2022-11-18 19:34:47,110 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=444, PETRI_PLACES=158, PETRI_TRANSITIONS=165} [2022-11-18 19:34:47,111 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -29 predicate places. [2022-11-18 19:34:47,111 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 165 transitions, 444 flow [2022-11-18 19:34:47,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.0) internal successors, (828), 6 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:47,113 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:47,113 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] [2022-11-18 19:34:47,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:34:47,113 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:47,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:47,114 INFO L85 PathProgramCache]: Analyzing trace with hash -386779891, now seen corresponding path program 1 times [2022-11-18 19:34:47,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:47,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827293388] [2022-11-18 19:34:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:47,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:47,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:47,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827293388] [2022-11-18 19:34:47,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827293388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:47,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:47,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:34:47,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161826631] [2022-11-18 19:34:47,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:47,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:34:47,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:47,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:34:47,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:34:47,748 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 203 [2022-11-18 19:34:47,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 165 transitions, 444 flow. Second operand has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:47,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:47,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 203 [2022-11-18 19:34:47,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:48,672 INFO L130 PetriNetUnfolder]: 2070/4146 cut-off events. [2022-11-18 19:34:48,673 INFO L131 PetriNetUnfolder]: For 4862/5168 co-relation queries the response was YES. [2022-11-18 19:34:48,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11075 conditions, 4146 events. 2070/4146 cut-off events. For 4862/5168 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 25725 event pairs, 559 based on Foata normal form. 0/3664 useless extension candidates. Maximal degree in co-relation 4378. Up to 2310 conditions per place. [2022-11-18 19:34:48,723 INFO L137 encePairwiseOnDemand]: 198/203 looper letters, 103 selfloop transitions, 4 changer transitions 0/220 dead transitions. [2022-11-18 19:34:48,724 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 220 transitions, 960 flow [2022-11-18 19:34:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:34:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:34:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 870 transitions. [2022-11-18 19:34:48,729 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2022-11-18 19:34:48,729 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 870 transitions. [2022-11-18 19:34:48,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 870 transitions. [2022-11-18 19:34:48,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:48,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 870 transitions. [2022-11-18 19:34:48,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:48,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:48,740 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:48,740 INFO L175 Difference]: Start difference. First operand has 158 places, 165 transitions, 444 flow. Second operand 6 states and 870 transitions. [2022-11-18 19:34:48,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 220 transitions, 960 flow [2022-11-18 19:34:48,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 220 transitions, 953 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 19:34:48,750 INFO L231 Difference]: Finished difference. Result has 158 places, 164 transitions, 443 flow [2022-11-18 19:34:48,752 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=443, PETRI_PLACES=158, PETRI_TRANSITIONS=164} [2022-11-18 19:34:48,753 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -29 predicate places. [2022-11-18 19:34:48,753 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 164 transitions, 443 flow [2022-11-18 19:34:48,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:48,754 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:34:48,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:34:48,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:34:48,756 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-18 19:34:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:34:48,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1198021067, now seen corresponding path program 1 times [2022-11-18 19:34:48,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:34:48,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307992016] [2022-11-18 19:34:48,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:34:48,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:34:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:34:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:34:49,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:34:49,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307992016] [2022-11-18 19:34:49,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307992016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:34:49,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:34:49,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:34:49,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249616843] [2022-11-18 19:34:49,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:34:49,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:34:49,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:34:49,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:34:49,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:34:49,486 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 203 [2022-11-18 19:34:49,488 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 164 transitions, 443 flow. Second operand has 6 states, 6 states have (on average 140.33333333333334) internal successors, (842), 6 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:49,488 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:34:49,488 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 203 [2022-11-18 19:34:49,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:34:50,292 INFO L130 PetriNetUnfolder]: 2058/4064 cut-off events. [2022-11-18 19:34:50,292 INFO L131 PetriNetUnfolder]: For 4610/4704 co-relation queries the response was YES. [2022-11-18 19:34:50,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10854 conditions, 4064 events. 2058/4064 cut-off events. For 4610/4704 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 24792 event pairs, 690 based on Foata normal form. 16/3691 useless extension candidates. Maximal degree in co-relation 8739. Up to 2849 conditions per place. [2022-11-18 19:34:50,314 INFO L137 encePairwiseOnDemand]: 198/203 looper letters, 0 selfloop transitions, 0 changer transitions 171/171 dead transitions. [2022-11-18 19:34:50,314 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 171 transitions, 605 flow [2022-11-18 19:34:50,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:34:50,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 19:34:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 853 transitions. [2022-11-18 19:34:50,317 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7003284072249589 [2022-11-18 19:34:50,318 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 853 transitions. [2022-11-18 19:34:50,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 853 transitions. [2022-11-18 19:34:50,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:34:50,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 853 transitions. [2022-11-18 19:34:50,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 142.16666666666666) internal successors, (853), 6 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:50,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:50,324 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:50,325 INFO L175 Difference]: Start difference. First operand has 158 places, 164 transitions, 443 flow. Second operand 6 states and 853 transitions. [2022-11-18 19:34:50,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 171 transitions, 605 flow [2022-11-18 19:34:50,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 171 transitions, 598 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 19:34:50,332 INFO L231 Difference]: Finished difference. Result has 158 places, 0 transitions, 0 flow [2022-11-18 19:34:50,332 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=158, PETRI_TRANSITIONS=0} [2022-11-18 19:34:50,333 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -29 predicate places. [2022-11-18 19:34:50,333 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 0 transitions, 0 flow [2022-11-18 19:34:50,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 140.33333333333334) internal successors, (842), 6 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:34:50,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (63 of 64 remaining) [2022-11-18 19:34:50,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (62 of 64 remaining) [2022-11-18 19:34:50,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (61 of 64 remaining) [2022-11-18 19:34:50,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (60 of 64 remaining) [2022-11-18 19:34:50,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (59 of 64 remaining) [2022-11-18 19:34:50,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (58 of 64 remaining) [2022-11-18 19:34:50,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (57 of 64 remaining) [2022-11-18 19:34:50,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (56 of 64 remaining) [2022-11-18 19:34:50,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (55 of 64 remaining) [2022-11-18 19:34:50,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (54 of 64 remaining) [2022-11-18 19:34:50,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (53 of 64 remaining) [2022-11-18 19:34:50,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 64 remaining) [2022-11-18 19:34:50,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 64 remaining) [2022-11-18 19:34:50,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 64 remaining) [2022-11-18 19:34:50,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 64 remaining) [2022-11-18 19:34:50,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 64 remaining) [2022-11-18 19:34:50,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 64 remaining) [2022-11-18 19:34:50,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 64 remaining) [2022-11-18 19:34:50,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (45 of 64 remaining) [2022-11-18 19:34:50,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (44 of 64 remaining) [2022-11-18 19:34:50,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (43 of 64 remaining) [2022-11-18 19:34:50,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (42 of 64 remaining) [2022-11-18 19:34:50,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (41 of 64 remaining) [2022-11-18 19:34:50,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (40 of 64 remaining) [2022-11-18 19:34:50,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 64 remaining) [2022-11-18 19:34:50,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 64 remaining) [2022-11-18 19:34:50,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (37 of 64 remaining) [2022-11-18 19:34:50,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 64 remaining) [2022-11-18 19:34:50,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 64 remaining) [2022-11-18 19:34:50,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (34 of 64 remaining) [2022-11-18 19:34:50,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 64 remaining) [2022-11-18 19:34:50,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 64 remaining) [2022-11-18 19:34:50,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (31 of 64 remaining) [2022-11-18 19:34:50,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (30 of 64 remaining) [2022-11-18 19:34:50,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (29 of 64 remaining) [2022-11-18 19:34:50,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (28 of 64 remaining) [2022-11-18 19:34:50,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (27 of 64 remaining) [2022-11-18 19:34:50,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 64 remaining) [2022-11-18 19:34:50,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 64 remaining) [2022-11-18 19:34:50,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 64 remaining) [2022-11-18 19:34:50,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 64 remaining) [2022-11-18 19:34:50,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 64 remaining) [2022-11-18 19:34:50,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 64 remaining) [2022-11-18 19:34:50,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 64 remaining) [2022-11-18 19:34:50,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 64 remaining) [2022-11-18 19:34:50,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (18 of 64 remaining) [2022-11-18 19:34:50,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (17 of 64 remaining) [2022-11-18 19:34:50,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 64 remaining) [2022-11-18 19:34:50,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (15 of 64 remaining) [2022-11-18 19:34:50,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (14 of 64 remaining) [2022-11-18 19:34:50,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (13 of 64 remaining) [2022-11-18 19:34:50,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 64 remaining) [2022-11-18 19:34:50,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 64 remaining) [2022-11-18 19:34:50,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 64 remaining) [2022-11-18 19:34:50,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 64 remaining) [2022-11-18 19:34:50,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (8 of 64 remaining) [2022-11-18 19:34:50,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 64 remaining) [2022-11-18 19:34:50,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 64 remaining) [2022-11-18 19:34:50,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 64 remaining) [2022-11-18 19:34:50,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 64 remaining) [2022-11-18 19:34:50,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 64 remaining) [2022-11-18 19:34:50,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 64 remaining) [2022-11-18 19:34:50,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 64 remaining) [2022-11-18 19:34:50,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 64 remaining) [2022-11-18 19:34:50,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:34:50,357 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:34:50,363 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 19:34:50,364 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:34:50,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:34:50 BasicIcfg [2022-11-18 19:34:50,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:34:50,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:34:50,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:34:50,376 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:34:50,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:34:42" (3/4) ... [2022-11-18 19:34:50,380 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:34:50,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 19:34:50,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 19:34:50,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 19:34:50,397 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-18 19:34:50,397 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 19:34:50,397 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 19:34:50,398 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:34:50,461 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:34:50,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:34:50,462 INFO L158 Benchmark]: Toolchain (without parser) took 9598.84ms. Allocated memory was 109.1MB in the beginning and 459.3MB in the end (delta: 350.2MB). Free memory was 81.3MB in the beginning and 297.9MB in the end (delta: -216.6MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2022-11-18 19:34:50,463 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:34:50,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.18ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 82.3MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:34:50,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.22ms. Allocated memory is still 109.1MB. Free memory was 82.3MB in the beginning and 79.9MB in the end (delta: 2.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:34:50,464 INFO L158 Benchmark]: Boogie Preprocessor took 33.43ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 78.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:34:50,464 INFO L158 Benchmark]: RCFGBuilder took 911.59ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 77.8MB in the beginning and 108.1MB in the end (delta: -30.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-18 19:34:50,465 INFO L158 Benchmark]: TraceAbstraction took 8170.38ms. Allocated memory was 140.5MB in the beginning and 459.3MB in the end (delta: 318.8MB). Free memory was 107.5MB in the beginning and 301.1MB in the end (delta: -193.5MB). Peak memory consumption was 252.7MB. Max. memory is 16.1GB. [2022-11-18 19:34:50,465 INFO L158 Benchmark]: Witness Printer took 85.63ms. Allocated memory is still 459.3MB. Free memory was 301.1MB in the beginning and 297.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:34:50,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.18ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 82.3MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.22ms. Allocated memory is still 109.1MB. Free memory was 82.3MB in the beginning and 79.9MB in the end (delta: 2.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.43ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 78.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 911.59ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 77.8MB in the beginning and 108.1MB in the end (delta: -30.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8170.38ms. Allocated memory was 140.5MB in the beginning and 459.3MB in the end (delta: 318.8MB). Free memory was 107.5MB in the beginning and 301.1MB in the end (delta: -193.5MB). Peak memory consumption was 252.7MB. Max. memory is 16.1GB. * Witness Printer took 85.63ms. Allocated memory is still 459.3MB. Free memory was 301.1MB in the beginning and 297.9MB 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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 7 procedures, 247 locations, 64 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: 8.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 577 IncrementalHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 78 mSDtfsCounter, 577 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=452occurred in iteration=8, InterpolantAutomatonStates: 42, 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, 652 NumberOfCodeBlocks, 652 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 641 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 37 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 19:34:50,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a12910cc-3d88-4c0f-9b41-d6c37605c41c/bin/uautomizer-TMbwUNV5ro/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