./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_safe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/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_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/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_4b6a53b9-de47-4b2f-9950-05516ffab689/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 ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- 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 20:44:21,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:44:21,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:44:21,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:44:21,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:44:21,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:44:21,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:44:21,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:44:21,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:44:21,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:44:21,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:44:21,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:44:21,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:44:21,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:44:21,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:44:21,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:44:21,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:44:21,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:44:21,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:44:21,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:44:21,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:44:21,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:44:21,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:44:21,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:44:21,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:44:21,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:44:21,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:44:21,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:44:21,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:44:21,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:44:21,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:44:21,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:44:21,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:44:21,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:44:21,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:44:21,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:44:21,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:44:21,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:44:21,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:44:21,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:44:21,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:44:21,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:44:21,381 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:44:21,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:44:21,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:44:21,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:44:21,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:44:21,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:44:21,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:44:21,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:44:21,385 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:44:21,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:44:21,385 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:44:21,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:44:21,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:44:21,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:44:21,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:44:21,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:44:21,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:44:21,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:44:21,387 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:44:21,387 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:44:21,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:44:21,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:44:21,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:44:21,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:44:21,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:44:21,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:44:21,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:44:21,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:44:21,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:44:21,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:44:21,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:44:21,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:44:21,391 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:44:21,391 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:44:21,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:44:21,392 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_4b6a53b9-de47-4b2f-9950-05516ffab689/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2022-11-18 20:44:21,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:44:21,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:44:21,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:44:21,682 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:44:21,683 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:44:21,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread/fib_safe-6.i [2022-11-18 20:44:21,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/data/e44697030/f4f1468280984586a658b30ed1ca5799/FLAG6a11d4c0a [2022-11-18 20:44:22,457 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:44:22,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/sv-benchmarks/c/pthread/fib_safe-6.i [2022-11-18 20:44:22,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/data/e44697030/f4f1468280984586a658b30ed1ca5799/FLAG6a11d4c0a [2022-11-18 20:44:22,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/data/e44697030/f4f1468280984586a658b30ed1ca5799 [2022-11-18 20:44:22,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:44:22,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:44:22,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:44:22,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:44:22,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:44:22,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:44:22" (1/1) ... [2022-11-18 20:44:22,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714e3ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:22, skipping insertion in model container [2022-11-18 20:44:22,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:44:22" (1/1) ... [2022-11-18 20:44:22,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:44:22,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:44:23,196 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_4b6a53b9-de47-4b2f-9950-05516ffab689/sv-benchmarks/c/pthread/fib_safe-6.i[30241,30254] [2022-11-18 20:44:23,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:44:23,250 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:44:23,317 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_4b6a53b9-de47-4b2f-9950-05516ffab689/sv-benchmarks/c/pthread/fib_safe-6.i[30241,30254] [2022-11-18 20:44:23,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:44:23,392 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:44:23,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23 WrapperNode [2022-11-18 20:44:23,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:44:23,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:44:23,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:44:23,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:44:23,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,483 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2022-11-18 20:44:23,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:44:23,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:44:23,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:44:23,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:44:23,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,524 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:44:23,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:44:23,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:44:23,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:44:23,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (1/1) ... [2022-11-18 20:44:23,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:44:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:23,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:23,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:44:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-18 20:44:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-18 20:44:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-18 20:44:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-18 20:44:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:44:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 20:44:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:44:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:44:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:44:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:44:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 20:44:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:44:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:44:23,646 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 20:44:23,836 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:44:23,839 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:44:24,321 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:44:24,455 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:44:24,455 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:44:24,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:24 BoogieIcfgContainer [2022-11-18 20:44:24,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:44:24,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:44:24,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:44:24,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:44:24,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:44:22" (1/3) ... [2022-11-18 20:44:24,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1890e54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:44:24, skipping insertion in model container [2022-11-18 20:44:24,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:23" (2/3) ... [2022-11-18 20:44:24,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1890e54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:44:24, skipping insertion in model container [2022-11-18 20:44:24,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:24" (3/3) ... [2022-11-18 20:44:24,470 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-6.i [2022-11-18 20:44:24,480 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:44:24,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:44:24,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-18 20:44:24,492 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:44:24,551 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 20:44:24,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 188 places, 188 transitions, 386 flow [2022-11-18 20:44:24,701 INFO L130 PetriNetUnfolder]: 7/186 cut-off events. [2022-11-18 20:44:24,701 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:24,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 186 events. 7/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 339 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 155. Up to 2 conditions per place. [2022-11-18 20:44:24,711 INFO L82 GeneralOperation]: Start removeDead. Operand has 188 places, 188 transitions, 386 flow [2022-11-18 20:44:24,718 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 186 places, 186 transitions, 378 flow [2022-11-18 20:44:24,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:44:24,737 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;@3a671fca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:44:24,737 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-11-18 20:44:24,745 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-18 20:44:24,745 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:24,745 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:24,746 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] [2022-11-18 20:44:24,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:24,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:24,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1648115188, now seen corresponding path program 1 times [2022-11-18 20:44:24,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:24,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715276068] [2022-11-18 20:44:24,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:24,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:24,991 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 20:44:24,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:24,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715276068] [2022-11-18 20:44:24,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715276068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:24,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:24,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:44:24,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604451731] [2022-11-18 20:44:24,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:25,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:44:25,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:25,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:44:25,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:44:25,048 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 188 [2022-11-18 20:44:25,057 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 186 transitions, 378 flow. Second operand has 2 states, 2 states have (on average 166.5) internal successors, (333), 2 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:25,058 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:25,058 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 188 [2022-11-18 20:44:25,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:25,181 INFO L130 PetriNetUnfolder]: 13/326 cut-off events. [2022-11-18 20:44:25,181 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 20:44:25,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 326 events. 13/326 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1149 event pairs, 6 based on Foata normal form. 18/290 useless extension candidates. Maximal degree in co-relation 316. Up to 21 conditions per place. [2022-11-18 20:44:25,189 INFO L137 encePairwiseOnDemand]: 174/188 looper letters, 7 selfloop transitions, 0 changer transitions 0/171 dead transitions. [2022-11-18 20:44:25,190 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 171 transitions, 362 flow [2022-11-18 20:44:25,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:44:25,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-18 20:44:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 353 transitions. [2022-11-18 20:44:25,208 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9388297872340425 [2022-11-18 20:44:25,208 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 353 transitions. [2022-11-18 20:44:25,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 353 transitions. [2022-11-18 20:44:25,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:25,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 353 transitions. [2022-11-18 20:44:25,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 176.5) internal successors, (353), 2 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:25,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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 20:44:25,228 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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 20:44:25,230 INFO L175 Difference]: Start difference. First operand has 186 places, 186 transitions, 378 flow. Second operand 2 states and 353 transitions. [2022-11-18 20:44:25,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 171 transitions, 362 flow [2022-11-18 20:44:25,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 171 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:25,243 INFO L231 Difference]: Finished difference. Result has 174 places, 171 transitions, 346 flow [2022-11-18 20:44:25,245 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=346, PETRI_PLACES=174, PETRI_TRANSITIONS=171} [2022-11-18 20:44:25,253 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -12 predicate places. [2022-11-18 20:44:25,254 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 171 transitions, 346 flow [2022-11-18 20:44:25,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 166.5) internal successors, (333), 2 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:25,255 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:25,255 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:25,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:44:25,256 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:25,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:25,260 INFO L85 PathProgramCache]: Analyzing trace with hash 838962904, now seen corresponding path program 1 times [2022-11-18 20:44:25,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:25,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467331978] [2022-11-18 20:44:25,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:25,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:25,416 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 20:44:25,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:25,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467331978] [2022-11-18 20:44:25,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467331978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:25,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:25,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:25,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242725935] [2022-11-18 20:44:25,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:25,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:25,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:25,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:25,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:25,422 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 188 [2022-11-18 20:44:25,423 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 171 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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 20:44:25,423 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:25,423 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 188 [2022-11-18 20:44:25,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:25,616 INFO L130 PetriNetUnfolder]: 93/540 cut-off events. [2022-11-18 20:44:25,617 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:25,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 540 events. 93/540 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3087 event pairs, 61 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 735. Up to 142 conditions per place. [2022-11-18 20:44:25,627 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 21 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2022-11-18 20:44:25,628 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 173 transitions, 398 flow [2022-11-18 20:44:25,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 480 transitions. [2022-11-18 20:44:25,632 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2022-11-18 20:44:25,632 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 480 transitions. [2022-11-18 20:44:25,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 480 transitions. [2022-11-18 20:44:25,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:25,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 480 transitions. [2022-11-18 20:44:25,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 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 20:44:25,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:25,639 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:25,639 INFO L175 Difference]: Start difference. First operand has 174 places, 171 transitions, 346 flow. Second operand 3 states and 480 transitions. [2022-11-18 20:44:25,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 173 transitions, 398 flow [2022-11-18 20:44:25,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 173 transitions, 398 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:44:25,646 INFO L231 Difference]: Finished difference. Result has 175 places, 170 transitions, 348 flow [2022-11-18 20:44:25,646 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=175, PETRI_TRANSITIONS=170} [2022-11-18 20:44:25,647 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -11 predicate places. [2022-11-18 20:44:25,648 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 170 transitions, 348 flow [2022-11-18 20:44:25,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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 20:44:25,649 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:25,649 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] [2022-11-18 20:44:25,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:44:25,650 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:25,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:25,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1129701979, now seen corresponding path program 1 times [2022-11-18 20:44:25,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:25,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211589646] [2022-11-18 20:44:25,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:25,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:25,763 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 20:44:25,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:25,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211589646] [2022-11-18 20:44:25,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211589646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:25,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:25,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:25,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496155384] [2022-11-18 20:44:25,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:25,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:25,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:25,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:25,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:25,769 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2022-11-18 20:44:25,770 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 170 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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 20:44:25,770 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:25,771 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2022-11-18 20:44:25,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:25,991 INFO L130 PetriNetUnfolder]: 77/489 cut-off events. [2022-11-18 20:44:25,991 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-18 20:44:25,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 489 events. 77/489 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2591 event pairs, 31 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 650. Up to 68 conditions per place. [2022-11-18 20:44:26,003 INFO L137 encePairwiseOnDemand]: 184/188 looper letters, 17 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2022-11-18 20:44:26,003 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 171 transitions, 390 flow [2022-11-18 20:44:26,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:26,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:26,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 483 transitions. [2022-11-18 20:44:26,006 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8563829787234043 [2022-11-18 20:44:26,007 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 483 transitions. [2022-11-18 20:44:26,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 483 transitions. [2022-11-18 20:44:26,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:26,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 483 transitions. [2022-11-18 20:44:26,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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 20:44:26,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:26,012 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:26,012 INFO L175 Difference]: Start difference. First operand has 175 places, 170 transitions, 348 flow. Second operand 3 states and 483 transitions. [2022-11-18 20:44:26,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 171 transitions, 390 flow [2022-11-18 20:44:26,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 171 transitions, 386 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:26,017 INFO L231 Difference]: Finished difference. Result has 173 places, 168 transitions, 344 flow [2022-11-18 20:44:26,018 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=173, PETRI_TRANSITIONS=168} [2022-11-18 20:44:26,019 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -13 predicate places. [2022-11-18 20:44:26,019 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 168 transitions, 344 flow [2022-11-18 20:44:26,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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 20:44:26,020 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:26,020 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] [2022-11-18 20:44:26,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:44:26,021 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:26,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:26,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1358851730, now seen corresponding path program 1 times [2022-11-18 20:44:26,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:26,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769173965] [2022-11-18 20:44:26,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:26,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,123 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 20:44:26,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:26,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769173965] [2022-11-18 20:44:26,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769173965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:26,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:26,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:26,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087544930] [2022-11-18 20:44:26,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:26,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:26,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:26,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:26,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:26,133 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 188 [2022-11-18 20:44:26,135 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:26,135 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:26,136 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 188 [2022-11-18 20:44:26,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:26,310 INFO L130 PetriNetUnfolder]: 65/379 cut-off events. [2022-11-18 20:44:26,310 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:26,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 379 events. 65/379 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1962 event pairs, 50 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 509. Up to 107 conditions per place. [2022-11-18 20:44:26,316 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 20 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2022-11-18 20:44:26,316 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 390 flow [2022-11-18 20:44:26,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions. [2022-11-18 20:44:26,319 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.849290780141844 [2022-11-18 20:44:26,319 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 479 transitions. [2022-11-18 20:44:26,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 479 transitions. [2022-11-18 20:44:26,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:26,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 479 transitions. [2022-11-18 20:44:26,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 20:44:26,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:26,329 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:26,329 INFO L175 Difference]: Start difference. First operand has 173 places, 168 transitions, 344 flow. Second operand 3 states and 479 transitions. [2022-11-18 20:44:26,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 390 flow [2022-11-18 20:44:26,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 169 transitions, 386 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:26,335 INFO L231 Difference]: Finished difference. Result has 172 places, 167 transitions, 342 flow [2022-11-18 20:44:26,336 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=172, PETRI_TRANSITIONS=167} [2022-11-18 20:44:26,337 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -14 predicate places. [2022-11-18 20:44:26,343 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 167 transitions, 342 flow [2022-11-18 20:44:26,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:26,344 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:26,344 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] [2022-11-18 20:44:26,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:44:26,345 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:26,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:26,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1484569501, now seen corresponding path program 1 times [2022-11-18 20:44:26,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:26,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599993477] [2022-11-18 20:44:26,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:26,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,449 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 20:44:26,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:26,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599993477] [2022-11-18 20:44:26,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599993477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:26,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:26,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:26,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547548289] [2022-11-18 20:44:26,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:26,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:26,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:26,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:26,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:26,454 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2022-11-18 20:44:26,455 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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 20:44:26,455 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:26,456 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2022-11-18 20:44:26,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:26,617 INFO L130 PetriNetUnfolder]: 49/383 cut-off events. [2022-11-18 20:44:26,618 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 20:44:26,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 383 events. 49/383 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1988 event pairs, 24 based on Foata normal form. 0/324 useless extension candidates. Maximal degree in co-relation 487. Up to 51 conditions per place. [2022-11-18 20:44:26,625 INFO L137 encePairwiseOnDemand]: 184/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2022-11-18 20:44:26,625 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 167 transitions, 378 flow [2022-11-18 20:44:26,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2022-11-18 20:44:26,628 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8546099290780141 [2022-11-18 20:44:26,629 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 482 transitions. [2022-11-18 20:44:26,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 482 transitions. [2022-11-18 20:44:26,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:26,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 482 transitions. [2022-11-18 20:44:26,631 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 20:44:26,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:26,633 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:26,633 INFO L175 Difference]: Start difference. First operand has 172 places, 167 transitions, 342 flow. Second operand 3 states and 482 transitions. [2022-11-18 20:44:26,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 167 transitions, 378 flow [2022-11-18 20:44:26,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 167 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:26,638 INFO L231 Difference]: Finished difference. Result has 170 places, 165 transitions, 338 flow [2022-11-18 20:44:26,638 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=170, PETRI_TRANSITIONS=165} [2022-11-18 20:44:26,641 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -16 predicate places. [2022-11-18 20:44:26,642 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 165 transitions, 338 flow [2022-11-18 20:44:26,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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 20:44:26,643 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:26,643 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:26,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:44:26,644 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:26,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:26,648 INFO L85 PathProgramCache]: Analyzing trace with hash 936530402, now seen corresponding path program 1 times [2022-11-18 20:44:26,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:26,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060159032] [2022-11-18 20:44:26,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:26,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:26,742 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 20:44:26,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:26,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060159032] [2022-11-18 20:44:26,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060159032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:26,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:26,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:26,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754382987] [2022-11-18 20:44:26,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:26,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:26,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:26,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:26,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:26,749 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 188 [2022-11-18 20:44:26,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 165 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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 20:44:26,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:26,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 188 [2022-11-18 20:44:26,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:26,890 INFO L130 PetriNetUnfolder]: 69/485 cut-off events. [2022-11-18 20:44:26,890 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:26,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 629 conditions, 485 events. 69/485 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2658 event pairs, 54 based on Foata normal form. 0/420 useless extension candidates. Maximal degree in co-relation 625. Up to 115 conditions per place. [2022-11-18 20:44:26,897 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 21 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2022-11-18 20:44:26,897 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 386 flow [2022-11-18 20:44:26,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:26,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2022-11-18 20:44:26,900 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8457446808510638 [2022-11-18 20:44:26,900 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 477 transitions. [2022-11-18 20:44:26,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 477 transitions. [2022-11-18 20:44:26,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:26,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 477 transitions. [2022-11-18 20:44:26,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 20:44:26,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:26,905 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:26,905 INFO L175 Difference]: Start difference. First operand has 170 places, 165 transitions, 338 flow. Second operand 3 states and 477 transitions. [2022-11-18 20:44:26,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 386 flow [2022-11-18 20:44:26,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:26,910 INFO L231 Difference]: Finished difference. Result has 169 places, 164 transitions, 336 flow [2022-11-18 20:44:26,910 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=169, PETRI_TRANSITIONS=164} [2022-11-18 20:44:26,914 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -17 predicate places. [2022-11-18 20:44:26,914 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 164 transitions, 336 flow [2022-11-18 20:44:26,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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 20:44:26,915 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:26,916 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 20:44:26,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:44:26,916 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:26,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:26,917 INFO L85 PathProgramCache]: Analyzing trace with hash -631841407, now seen corresponding path program 1 times [2022-11-18 20:44:26,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:26,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314121264] [2022-11-18 20:44:26,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:26,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:27,020 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 20:44:27,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:27,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314121264] [2022-11-18 20:44:27,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314121264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:27,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:27,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:27,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198818480] [2022-11-18 20:44:27,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:27,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:27,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:27,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:27,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:27,032 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 188 [2022-11-18 20:44:27,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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 20:44:27,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:27,035 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 188 [2022-11-18 20:44:27,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:27,185 INFO L130 PetriNetUnfolder]: 70/441 cut-off events. [2022-11-18 20:44:27,186 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:27,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 441 events. 70/441 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2237 event pairs, 41 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 593. Up to 105 conditions per place. [2022-11-18 20:44:27,192 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 18 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2022-11-18 20:44:27,192 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 166 transitions, 382 flow [2022-11-18 20:44:27,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 477 transitions. [2022-11-18 20:44:27,195 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8457446808510638 [2022-11-18 20:44:27,195 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 477 transitions. [2022-11-18 20:44:27,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 477 transitions. [2022-11-18 20:44:27,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:27,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 477 transitions. [2022-11-18 20:44:27,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 20:44:27,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:27,201 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:27,201 INFO L175 Difference]: Start difference. First operand has 169 places, 164 transitions, 336 flow. Second operand 3 states and 477 transitions. [2022-11-18 20:44:27,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 166 transitions, 382 flow [2022-11-18 20:44:27,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:27,206 INFO L231 Difference]: Finished difference. Result has 168 places, 163 transitions, 334 flow [2022-11-18 20:44:27,207 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=168, PETRI_TRANSITIONS=163} [2022-11-18 20:44:27,208 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -18 predicate places. [2022-11-18 20:44:27,208 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 334 flow [2022-11-18 20:44:27,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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 20:44:27,209 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:27,209 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] [2022-11-18 20:44:27,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:44:27,209 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:27,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:27,210 INFO L85 PathProgramCache]: Analyzing trace with hash 70049128, now seen corresponding path program 1 times [2022-11-18 20:44:27,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:27,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265048285] [2022-11-18 20:44:27,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:27,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:27,288 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 20:44:27,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:27,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265048285] [2022-11-18 20:44:27,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265048285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:27,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:27,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:27,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901798083] [2022-11-18 20:44:27,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:27,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:27,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:27,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:27,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:27,297 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2022-11-18 20:44:27,298 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 163 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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 20:44:27,298 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:27,298 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2022-11-18 20:44:27,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:27,411 INFO L130 PetriNetUnfolder]: 49/450 cut-off events. [2022-11-18 20:44:27,412 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:27,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 450 events. 49/450 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2270 event pairs, 22 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 548. Up to 51 conditions per place. [2022-11-18 20:44:27,418 INFO L137 encePairwiseOnDemand]: 184/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2022-11-18 20:44:27,418 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 370 flow [2022-11-18 20:44:27,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:27,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:27,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2022-11-18 20:44:27,421 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8546099290780141 [2022-11-18 20:44:27,421 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 482 transitions. [2022-11-18 20:44:27,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 482 transitions. [2022-11-18 20:44:27,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:27,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 482 transitions. [2022-11-18 20:44:27,423 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 20:44:27,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:27,425 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:27,426 INFO L175 Difference]: Start difference. First operand has 168 places, 163 transitions, 334 flow. Second operand 3 states and 482 transitions. [2022-11-18 20:44:27,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 370 flow [2022-11-18 20:44:27,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 163 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:27,430 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 330 flow [2022-11-18 20:44:27,430 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2022-11-18 20:44:27,433 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -20 predicate places. [2022-11-18 20:44:27,433 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 330 flow [2022-11-18 20:44:27,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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 20:44:27,434 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:27,434 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] [2022-11-18 20:44:27,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:44:27,435 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:27,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:27,436 INFO L85 PathProgramCache]: Analyzing trace with hash -520105045, now seen corresponding path program 1 times [2022-11-18 20:44:27,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:27,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444267354] [2022-11-18 20:44:27,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:27,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:27,516 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 20:44:27,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:27,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444267354] [2022-11-18 20:44:27,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444267354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:27,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:27,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:44:27,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236455359] [2022-11-18 20:44:27,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:27,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:27,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:27,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:27,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:27,521 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2022-11-18 20:44:27,521 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:27,522 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:27,522 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2022-11-18 20:44:27,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:27,657 INFO L130 PetriNetUnfolder]: 41/594 cut-off events. [2022-11-18 20:44:27,657 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:27,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 695 conditions, 594 events. 41/594 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2777 event pairs, 14 based on Foata normal form. 0/514 useless extension candidates. Maximal degree in co-relation 691. Up to 45 conditions per place. [2022-11-18 20:44:27,665 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2022-11-18 20:44:27,666 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 166 transitions, 376 flow [2022-11-18 20:44:27,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2022-11-18 20:44:27,668 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8847517730496454 [2022-11-18 20:44:27,669 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 499 transitions. [2022-11-18 20:44:27,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 499 transitions. [2022-11-18 20:44:27,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:27,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 499 transitions. [2022-11-18 20:44:27,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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 20:44:27,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:27,673 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:27,674 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 330 flow. Second operand 3 states and 499 transitions. [2022-11-18 20:44:27,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 166 transitions, 376 flow [2022-11-18 20:44:27,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 166 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:27,679 INFO L231 Difference]: Finished difference. Result has 167 places, 162 transitions, 338 flow [2022-11-18 20:44:27,679 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=167, PETRI_TRANSITIONS=162} [2022-11-18 20:44:27,681 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -19 predicate places. [2022-11-18 20:44:27,681 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 162 transitions, 338 flow [2022-11-18 20:44:27,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:27,682 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:27,682 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] [2022-11-18 20:44:27,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:44:27,682 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:27,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:27,684 INFO L85 PathProgramCache]: Analyzing trace with hash -520104087, now seen corresponding path program 1 times [2022-11-18 20:44:27,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:27,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348583568] [2022-11-18 20:44:27,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:27,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:27,768 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 20:44:27,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:27,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348583568] [2022-11-18 20:44:27,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348583568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:27,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:27,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:27,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476044988] [2022-11-18 20:44:27,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:27,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:27,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:27,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:27,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:27,779 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2022-11-18 20:44:27,781 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 162 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 20:44:27,781 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:27,781 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2022-11-18 20:44:27,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:27,922 INFO L130 PetriNetUnfolder]: 83/640 cut-off events. [2022-11-18 20:44:27,922 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:44:27,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 640 events. 83/640 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3112 event pairs, 26 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 799. Up to 71 conditions per place. [2022-11-18 20:44:27,931 INFO L137 encePairwiseOnDemand]: 183/188 looper letters, 13 selfloop transitions, 3 changer transitions 0/162 dead transitions. [2022-11-18 20:44:27,931 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 162 transitions, 370 flow [2022-11-18 20:44:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:27,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2022-11-18 20:44:27,934 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2022-11-18 20:44:27,934 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2022-11-18 20:44:27,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2022-11-18 20:44:27,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:27,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2022-11-18 20:44:27,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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 20:44:27,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:27,939 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:27,939 INFO L175 Difference]: Start difference. First operand has 167 places, 162 transitions, 338 flow. Second operand 3 states and 489 transitions. [2022-11-18 20:44:27,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 162 transitions, 370 flow [2022-11-18 20:44:27,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 162 transitions, 368 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:44:27,943 INFO L231 Difference]: Finished difference. Result has 166 places, 160 transitions, 338 flow [2022-11-18 20:44:27,944 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=166, PETRI_TRANSITIONS=160} [2022-11-18 20:44:27,945 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -20 predicate places. [2022-11-18 20:44:27,946 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 160 transitions, 338 flow [2022-11-18 20:44:27,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 20:44:27,946 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:27,946 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] [2022-11-18 20:44:27,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:44:27,947 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:27,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:27,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1603806644, now seen corresponding path program 1 times [2022-11-18 20:44:27,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:27,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074540077] [2022-11-18 20:44:27,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:27,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:27,999 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 20:44:27,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:28,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074540077] [2022-11-18 20:44:28,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074540077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:28,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:28,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:28,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623947379] [2022-11-18 20:44:28,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:28,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:28,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:28,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:28,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:28,003 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2022-11-18 20:44:28,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 160 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 20:44:28,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:28,005 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2022-11-18 20:44:28,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:28,155 INFO L130 PetriNetUnfolder]: 91/628 cut-off events. [2022-11-18 20:44:28,155 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:28,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 822 conditions, 628 events. 91/628 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3119 event pairs, 30 based on Foata normal form. 0/572 useless extension candidates. Maximal degree in co-relation 817. Up to 81 conditions per place. [2022-11-18 20:44:28,164 INFO L137 encePairwiseOnDemand]: 184/188 looper letters, 14 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2022-11-18 20:44:28,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 160 transitions, 370 flow [2022-11-18 20:44:28,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:28,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2022-11-18 20:44:28,167 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2022-11-18 20:44:28,168 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2022-11-18 20:44:28,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2022-11-18 20:44:28,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:28,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2022-11-18 20:44:28,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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 20:44:28,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:28,173 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:28,173 INFO L175 Difference]: Start difference. First operand has 166 places, 160 transitions, 338 flow. Second operand 3 states and 489 transitions. [2022-11-18 20:44:28,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 160 transitions, 370 flow [2022-11-18 20:44:28,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 160 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:28,179 INFO L231 Difference]: Finished difference. Result has 164 places, 158 transitions, 332 flow [2022-11-18 20:44:28,179 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=164, PETRI_TRANSITIONS=158} [2022-11-18 20:44:28,180 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -22 predicate places. [2022-11-18 20:44:28,180 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 158 transitions, 332 flow [2022-11-18 20:44:28,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 20:44:28,181 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:28,181 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] [2022-11-18 20:44:28,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:44:28,182 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:28,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:28,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1934838377, now seen corresponding path program 1 times [2022-11-18 20:44:28,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:28,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514772621] [2022-11-18 20:44:28,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:28,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:28,226 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 20:44:28,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:28,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514772621] [2022-11-18 20:44:28,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514772621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:28,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:28,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:28,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537072418] [2022-11-18 20:44:28,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:28,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:28,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:28,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:28,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:28,230 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 188 [2022-11-18 20:44:28,231 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 158 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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 20:44:28,231 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:28,231 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 188 [2022-11-18 20:44:28,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:28,353 INFO L130 PetriNetUnfolder]: 49/402 cut-off events. [2022-11-18 20:44:28,354 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:28,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 402 events. 49/402 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1599 event pairs, 34 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 517. Up to 79 conditions per place. [2022-11-18 20:44:28,360 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 17 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2022-11-18 20:44:28,361 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 159 transitions, 372 flow [2022-11-18 20:44:28,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:28,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-18 20:44:28,363 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8439716312056738 [2022-11-18 20:44:28,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-18 20:44:28,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-18 20:44:28,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:28,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-18 20:44:28,366 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 20:44:28,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:28,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:28,370 INFO L175 Difference]: Start difference. First operand has 164 places, 158 transitions, 332 flow. Second operand 3 states and 476 transitions. [2022-11-18 20:44:28,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 159 transitions, 372 flow [2022-11-18 20:44:28,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 159 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:28,375 INFO L231 Difference]: Finished difference. Result has 163 places, 157 transitions, 330 flow [2022-11-18 20:44:28,375 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=163, PETRI_TRANSITIONS=157} [2022-11-18 20:44:28,376 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -23 predicate places. [2022-11-18 20:44:28,376 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 157 transitions, 330 flow [2022-11-18 20:44:28,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 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 20:44:28,377 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:28,377 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 20:44:28,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:44:28,378 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:28,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:28,378 INFO L85 PathProgramCache]: Analyzing trace with hash 431615598, now seen corresponding path program 1 times [2022-11-18 20:44:28,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:28,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778352652] [2022-11-18 20:44:28,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:28,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:28,450 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 20:44:28,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:28,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778352652] [2022-11-18 20:44:28,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778352652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:28,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:28,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:28,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834978732] [2022-11-18 20:44:28,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:28,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:28,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:28,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:28,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:28,458 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2022-11-18 20:44:28,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 157 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 20:44:28,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:28,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2022-11-18 20:44:28,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:28,591 INFO L130 PetriNetUnfolder]: 73/590 cut-off events. [2022-11-18 20:44:28,592 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:28,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 590 events. 73/590 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2914 event pairs, 50 based on Foata normal form. 0/552 useless extension candidates. Maximal degree in co-relation 751. Up to 107 conditions per place. [2022-11-18 20:44:28,600 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 15 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2022-11-18 20:44:28,600 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 158 transitions, 366 flow [2022-11-18 20:44:28,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2022-11-18 20:44:28,602 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2022-11-18 20:44:28,603 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2022-11-18 20:44:28,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2022-11-18 20:44:28,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:28,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2022-11-18 20:44:28,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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 20:44:28,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:28,607 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:28,607 INFO L175 Difference]: Start difference. First operand has 163 places, 157 transitions, 330 flow. Second operand 3 states and 489 transitions. [2022-11-18 20:44:28,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 158 transitions, 366 flow [2022-11-18 20:44:28,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 158 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:28,612 INFO L231 Difference]: Finished difference. Result has 162 places, 156 transitions, 328 flow [2022-11-18 20:44:28,612 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=160, 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=328, PETRI_PLACES=162, PETRI_TRANSITIONS=156} [2022-11-18 20:44:28,613 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -24 predicate places. [2022-11-18 20:44:28,613 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 156 transitions, 328 flow [2022-11-18 20:44:28,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 20:44:28,614 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:28,614 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] [2022-11-18 20:44:28,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:44:28,615 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:28,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:28,616 INFO L85 PathProgramCache]: Analyzing trace with hash 295509474, now seen corresponding path program 1 times [2022-11-18 20:44:28,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:28,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303561782] [2022-11-18 20:44:28,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:28,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:28,661 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 20:44:28,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:28,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303561782] [2022-11-18 20:44:28,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303561782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:28,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:28,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:28,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887459997] [2022-11-18 20:44:28,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:28,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:28,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:28,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:28,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:28,665 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2022-11-18 20:44:28,666 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 156 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 20:44:28,666 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:28,667 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2022-11-18 20:44:28,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:28,811 INFO L130 PetriNetUnfolder]: 73/582 cut-off events. [2022-11-18 20:44:28,812 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:28,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 582 events. 73/582 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2834 event pairs, 50 based on Foata normal form. 0/552 useless extension candidates. Maximal degree in co-relation 755. Up to 107 conditions per place. [2022-11-18 20:44:28,818 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2022-11-18 20:44:28,818 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 157 transitions, 366 flow [2022-11-18 20:44:28,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:28,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2022-11-18 20:44:28,821 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8528368794326241 [2022-11-18 20:44:28,821 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2022-11-18 20:44:28,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2022-11-18 20:44:28,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:28,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2022-11-18 20:44:28,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 20:44:28,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:28,826 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:28,827 INFO L175 Difference]: Start difference. First operand has 162 places, 156 transitions, 328 flow. Second operand 3 states and 481 transitions. [2022-11-18 20:44:28,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 157 transitions, 366 flow [2022-11-18 20:44:28,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 157 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:28,832 INFO L231 Difference]: Finished difference. Result has 161 places, 155 transitions, 326 flow [2022-11-18 20:44:28,833 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=159, 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=326, PETRI_PLACES=161, PETRI_TRANSITIONS=155} [2022-11-18 20:44:28,834 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -25 predicate places. [2022-11-18 20:44:28,834 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 155 transitions, 326 flow [2022-11-18 20:44:28,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 20:44:28,835 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:28,835 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] [2022-11-18 20:44:28,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:44:28,835 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:28,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:28,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1159770281, now seen corresponding path program 1 times [2022-11-18 20:44:28,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:28,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857976291] [2022-11-18 20:44:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:28,885 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 20:44:28,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:28,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857976291] [2022-11-18 20:44:28,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857976291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:28,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:28,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:28,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574662150] [2022-11-18 20:44:28,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:28,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:28,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:28,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:28,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:28,890 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 188 [2022-11-18 20:44:28,891 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 155 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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 20:44:28,891 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:28,891 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 188 [2022-11-18 20:44:28,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:29,022 INFO L130 PetriNetUnfolder]: 63/564 cut-off events. [2022-11-18 20:44:29,022 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:29,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 564 events. 63/564 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2421 event pairs, 18 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 699. Up to 51 conditions per place. [2022-11-18 20:44:29,029 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2022-11-18 20:44:29,030 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 157 transitions, 358 flow [2022-11-18 20:44:29,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:29,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:29,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2022-11-18 20:44:29,032 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8776595744680851 [2022-11-18 20:44:29,032 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 495 transitions. [2022-11-18 20:44:29,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 495 transitions. [2022-11-18 20:44:29,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:29,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 495 transitions. [2022-11-18 20:44:29,035 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 20:44:29,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:29,037 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:29,037 INFO L175 Difference]: Start difference. First operand has 161 places, 155 transitions, 326 flow. Second operand 3 states and 495 transitions. [2022-11-18 20:44:29,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 157 transitions, 358 flow [2022-11-18 20:44:29,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 157 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:29,042 INFO L231 Difference]: Finished difference. Result has 161 places, 155 transitions, 330 flow [2022-11-18 20:44:29,042 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=161, PETRI_TRANSITIONS=155} [2022-11-18 20:44:29,043 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -25 predicate places. [2022-11-18 20:44:29,043 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 155 transitions, 330 flow [2022-11-18 20:44:29,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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 20:44:29,044 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:29,044 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:29,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:44:29,044 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:29,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:29,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1839960714, now seen corresponding path program 1 times [2022-11-18 20:44:29,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:29,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467102893] [2022-11-18 20:44:29,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:29,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:29,086 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 20:44:29,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:29,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467102893] [2022-11-18 20:44:29,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467102893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:29,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:29,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:29,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818202435] [2022-11-18 20:44:29,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:29,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:29,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:29,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:29,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:29,089 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 188 [2022-11-18 20:44:29,090 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 155 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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 20:44:29,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:29,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 188 [2022-11-18 20:44:29,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:29,213 INFO L130 PetriNetUnfolder]: 81/574 cut-off events. [2022-11-18 20:44:29,213 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-18 20:44:29,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 574 events. 81/574 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2849 event pairs, 58 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 767. Up to 123 conditions per place. [2022-11-18 20:44:29,220 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2022-11-18 20:44:29,220 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 156 transitions, 368 flow [2022-11-18 20:44:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2022-11-18 20:44:29,223 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8528368794326241 [2022-11-18 20:44:29,223 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2022-11-18 20:44:29,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2022-11-18 20:44:29,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:29,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2022-11-18 20:44:29,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 20:44:29,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:29,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:29,227 INFO L175 Difference]: Start difference. First operand has 161 places, 155 transitions, 330 flow. Second operand 3 states and 481 transitions. [2022-11-18 20:44:29,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 156 transitions, 368 flow [2022-11-18 20:44:29,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 156 transitions, 366 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:44:29,231 INFO L231 Difference]: Finished difference. Result has 161 places, 154 transitions, 330 flow [2022-11-18 20:44:29,232 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=159, 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=330, PETRI_PLACES=161, PETRI_TRANSITIONS=154} [2022-11-18 20:44:29,232 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -25 predicate places. [2022-11-18 20:44:29,233 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 154 transitions, 330 flow [2022-11-18 20:44:29,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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 20:44:29,233 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:29,233 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] [2022-11-18 20:44:29,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:44:29,234 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 20:44:29,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:29,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1667479015, now seen corresponding path program 1 times [2022-11-18 20:44:29,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:29,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360794168] [2022-11-18 20:44:29,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:29,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:29,276 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 20:44:29,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:29,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360794168] [2022-11-18 20:44:29,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360794168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:29,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:29,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:29,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088555076] [2022-11-18 20:44:29,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:29,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:29,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:29,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:29,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:29,280 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 188 [2022-11-18 20:44:29,281 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 154 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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 20:44:29,281 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:29,281 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 188 [2022-11-18 20:44:29,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:29,412 INFO L130 PetriNetUnfolder]: 73/562 cut-off events. [2022-11-18 20:44:29,412 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:29,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 562 events. 73/562 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2634 event pairs, 58 based on Foata normal form. 0/548 useless extension candidates. Maximal degree in co-relation 751. Up to 123 conditions per place. [2022-11-18 20:44:29,417 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 0 selfloop transitions, 0 changer transitions 155/155 dead transitions. [2022-11-18 20:44:29,417 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 155 transitions, 372 flow [2022-11-18 20:44:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2022-11-18 20:44:29,419 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8404255319148937 [2022-11-18 20:44:29,419 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 474 transitions. [2022-11-18 20:44:29,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 474 transitions. [2022-11-18 20:44:29,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:29,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 474 transitions. [2022-11-18 20:44:29,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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 20:44:29,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:29,424 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 20:44:29,424 INFO L175 Difference]: Start difference. First operand has 161 places, 154 transitions, 330 flow. Second operand 3 states and 474 transitions. [2022-11-18 20:44:29,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 155 transitions, 372 flow [2022-11-18 20:44:29,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 155 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:29,428 INFO L231 Difference]: Finished difference. Result has 160 places, 0 transitions, 0 flow [2022-11-18 20:44:29,428 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=160, PETRI_TRANSITIONS=0} [2022-11-18 20:44:29,430 INFO L288 CegarLoopForPetriNet]: 186 programPoint places, -26 predicate places. [2022-11-18 20:44:29,431 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 0 transitions, 0 flow [2022-11-18 20:44:29,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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 20:44:29,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2022-11-18 20:44:29,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2022-11-18 20:44:29,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2022-11-18 20:44:29,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2022-11-18 20:44:29,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2022-11-18 20:44:29,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2022-11-18 20:44:29,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2022-11-18 20:44:29,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2022-11-18 20:44:29,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2022-11-18 20:44:29,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2022-11-18 20:44:29,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2022-11-18 20:44:29,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2022-11-18 20:44:29,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2022-11-18 20:44:29,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2022-11-18 20:44:29,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2022-11-18 20:44:29,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2022-11-18 20:44:29,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2022-11-18 20:44:29,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2022-11-18 20:44:29,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2022-11-18 20:44:29,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2022-11-18 20:44:29,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2022-11-18 20:44:29,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2022-11-18 20:44:29,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2022-11-18 20:44:29,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2022-11-18 20:44:29,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2022-11-18 20:44:29,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2022-11-18 20:44:29,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2022-11-18 20:44:29,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2022-11-18 20:44:29,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2022-11-18 20:44:29,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2022-11-18 20:44:29,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2022-11-18 20:44:29,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2022-11-18 20:44:29,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2022-11-18 20:44:29,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2022-11-18 20:44:29,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2022-11-18 20:44:29,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2022-11-18 20:44:29,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2022-11-18 20:44:29,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2022-11-18 20:44:29,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2022-11-18 20:44:29,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2022-11-18 20:44:29,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2022-11-18 20:44:29,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2022-11-18 20:44:29,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2022-11-18 20:44:29,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2022-11-18 20:44:29,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2022-11-18 20:44:29,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2022-11-18 20:44:29,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:44:29,450 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:29,459 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:44:29,460 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:44:29,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:44:29 BasicIcfg [2022-11-18 20:44:29,471 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:44:29,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:44:29,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:44:29,472 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:44:29,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:24" (3/4) ... [2022-11-18 20:44:29,477 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:44:29,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2022-11-18 20:44:29,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2022-11-18 20:44:29,493 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2022-11-18 20:44:29,494 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-18 20:44:29,494 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:44:29,495 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:44:29,562 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:44:29,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:44:29,564 INFO L158 Benchmark]: Toolchain (without parser) took 6867.77ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 94.7MB in the beginning and 154.7MB in the end (delta: -60.0MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-18 20:44:29,566 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:44:29,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.95ms. Allocated memory is still 130.0MB. Free memory was 94.5MB in the beginning and 95.3MB in the end (delta: -805.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:44:29,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.01ms. Allocated memory is still 130.0MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:44:29,567 INFO L158 Benchmark]: Boogie Preprocessor took 65.04ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 91.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:44:29,568 INFO L158 Benchmark]: RCFGBuilder took 908.32ms. Allocated memory is still 130.0MB. Free memory was 91.1MB in the beginning and 67.3MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 20:44:29,568 INFO L158 Benchmark]: TraceAbstraction took 5010.10ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 66.6MB in the beginning and 157.9MB in the end (delta: -91.2MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2022-11-18 20:44:29,569 INFO L158 Benchmark]: Witness Printer took 90.87ms. Allocated memory is still 207.6MB. Free memory was 157.9MB in the beginning and 154.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:44:29,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 692.95ms. Allocated memory is still 130.0MB. Free memory was 94.5MB in the beginning and 95.3MB in the end (delta: -805.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.01ms. Allocated memory is still 130.0MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.04ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 91.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 908.32ms. Allocated memory is still 130.0MB. Free memory was 91.1MB in the beginning and 67.3MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5010.10ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 66.6MB in the beginning and 157.9MB in the end (delta: -91.2MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. * Witness Printer took 90.87ms. Allocated memory is still 207.6MB. Free memory was 157.9MB in the beginning and 154.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 242 locations, 46 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.9s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 381 IncrementalHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 127 mSDtfsCounter, 381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=0, InterpolantAutomatonStates: 50, 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, 0.9s InterpolantComputationTime, 886 NumberOfCodeBlocks, 886 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 869 ConstructedInterpolants, 0 QuantifiedInterpolants, 913 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 20:44:29,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6a53b9-de47-4b2f-9950-05516ffab689/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE