./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/test-hard1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-hard1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN --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 782f6af95152c43f9bba17dfd450d57dc3073723e35aa3f98da1f0b96067f4d1 --- 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-6b4ec56 [2022-11-20 11:13:29,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:13:29,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:13:29,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:13:29,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:13:29,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:13:29,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:13:29,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:13:29,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:13:29,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:13:29,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:13:29,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:13:29,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:13:29,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:13:29,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:13:29,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:13:29,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:13:29,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:13:29,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:13:29,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:13:29,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:13:29,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:13:29,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:13:29,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:13:29,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:13:29,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:13:29,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:13:29,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:13:29,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:13:29,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:13:29,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:13:29,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:13:29,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:13:29,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:13:29,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:13:29,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:13:29,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:13:29,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:13:29,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:13:29,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:13:29,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:13:29,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 11:13:29,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:13:29,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:13:29,572 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:13:29,572 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:13:29,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:13:29,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:13:29,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:13:29,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:13:29,575 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:13:29,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:13:29,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:13:29,577 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:13:29,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:13:29,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:13:29,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:13:29,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:13:29,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:13:29,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:13:29,578 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 11:13:29,579 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:13:29,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:13:29,579 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:13:29,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:13:29,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:13:29,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:13:29,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:13:29,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:13:29,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:13:29,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:13:29,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:13:29,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:13:29,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:13:29,583 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:13:29,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:13:29,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:13:29,583 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_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782f6af95152c43f9bba17dfd450d57dc3073723e35aa3f98da1f0b96067f4d1 [2022-11-20 11:13:29,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:13:29,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:13:29,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:13:29,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:13:29,986 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:13:29,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/test-hard1.wvr.c [2022-11-20 11:13:33,820 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:13:34,071 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:13:34,071 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/sv-benchmarks/c/weaver/test-hard1.wvr.c [2022-11-20 11:13:34,082 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/data/b9332e629/7f3fe0aa525241cf8bb1790515d1a5cd/FLAG439d99939 [2022-11-20 11:13:34,108 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/data/b9332e629/7f3fe0aa525241cf8bb1790515d1a5cd [2022-11-20 11:13:34,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:13:34,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:13:34,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:13:34,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:13:34,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:13:34,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f2f199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34, skipping insertion in model container [2022-11-20 11:13:34,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:13:34,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:13:34,418 WARN L237 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_6619269b-a920-48bc-be4c-1aac98261e99/sv-benchmarks/c/weaver/test-hard1.wvr.c[3373,3386] [2022-11-20 11:13:34,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:13:34,432 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:13:34,477 WARN L237 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_6619269b-a920-48bc-be4c-1aac98261e99/sv-benchmarks/c/weaver/test-hard1.wvr.c[3373,3386] [2022-11-20 11:13:34,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:13:34,494 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:13:34,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34 WrapperNode [2022-11-20 11:13:34,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:13:34,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:13:34,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:13:34,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:13:34,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,549 INFO L138 Inliner]: procedures = 24, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 149 [2022-11-20 11:13:34,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:13:34,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:13:34,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:13:34,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:13:34,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:13:34,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:13:34,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:13:34,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:13:34,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (1/1) ... [2022-11-20 11:13:34,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:13:34,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:13:34,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:13:34,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:13:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:13:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 11:13:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 11:13:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 11:13:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 11:13:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 11:13:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 11:13:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 11:13:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 11:13:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:13:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:13:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:13:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 11:13:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 11:13:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:13:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:13:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:13:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:13:34,714 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 11:13:34,879 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:13:34,882 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:13:35,667 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:13:35,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:13:35,902 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 11:13:35,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:13:35 BoogieIcfgContainer [2022-11-20 11:13:35,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:13:35,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:13:35,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:13:35,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:13:35,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:13:34" (1/3) ... [2022-11-20 11:13:35,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba08dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:13:35, skipping insertion in model container [2022-11-20 11:13:35,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:34" (2/3) ... [2022-11-20 11:13:35,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba08dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:13:35, skipping insertion in model container [2022-11-20 11:13:35,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:13:35" (3/3) ... [2022-11-20 11:13:35,927 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2022-11-20 11:13:35,940 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:13:35,955 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:13:35,956 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2022-11-20 11:13:35,956 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:13:36,139 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-20 11:13:36,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 240 places, 238 transitions, 508 flow [2022-11-20 11:13:36,389 INFO L130 PetriNetUnfolder]: 11/234 cut-off events. [2022-11-20 11:13:36,389 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 11:13:36,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 234 events. 11/234 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 242 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 158. Up to 2 conditions per place. [2022-11-20 11:13:36,400 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 238 transitions, 508 flow [2022-11-20 11:13:36,416 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 212 transitions, 448 flow [2022-11-20 11:13:36,438 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:13:36,448 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;@611101c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:13:36,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2022-11-20 11:13:36,468 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-20 11:13:36,469 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:13:36,469 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:36,471 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] [2022-11-20 11:13:36,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:36,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:36,480 INFO L85 PathProgramCache]: Analyzing trace with hash -4924633, now seen corresponding path program 1 times [2022-11-20 11:13:36,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:36,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101663897] [2022-11-20 11:13:36,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:36,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:36,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:36,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101663897] [2022-11-20 11:13:36,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101663897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:36,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:36,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:13:36,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864550647] [2022-11-20 11:13:36,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:36,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:36,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:36,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:36,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:36,920 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 238 [2022-11-20 11:13:36,928 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 212 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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) [2022-11-20 11:13:36,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:36,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 238 [2022-11-20 11:13:36,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:37,471 INFO L130 PetriNetUnfolder]: 449/1050 cut-off events. [2022-11-20 11:13:37,472 INFO L131 PetriNetUnfolder]: For 229/300 co-relation queries the response was YES. [2022-11-20 11:13:37,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1795 conditions, 1050 events. 449/1050 cut-off events. For 229/300 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5058 event pairs, 272 based on Foata normal form. 177/1073 useless extension candidates. Maximal degree in co-relation 1540. Up to 618 conditions per place. [2022-11-20 11:13:37,488 INFO L137 encePairwiseOnDemand]: 198/238 looper letters, 29 selfloop transitions, 2 changer transitions 1/174 dead transitions. [2022-11-20 11:13:37,488 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 174 transitions, 434 flow [2022-11-20 11:13:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:13:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2022-11-20 11:13:37,508 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7983193277310925 [2022-11-20 11:13:37,509 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 570 transitions. [2022-11-20 11:13:37,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 570 transitions. [2022-11-20 11:13:37,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:37,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 570 transitions. [2022-11-20 11:13:37,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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) [2022-11-20 11:13:37,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:37,529 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:37,532 INFO L175 Difference]: Start difference. First operand has 215 places, 212 transitions, 448 flow. Second operand 3 states and 570 transitions. [2022-11-20 11:13:37,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 174 transitions, 434 flow [2022-11-20 11:13:37,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 174 transitions, 418 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-20 11:13:37,543 INFO L231 Difference]: Finished difference. Result has 176 places, 173 transitions, 358 flow [2022-11-20 11:13:37,546 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=176, PETRI_TRANSITIONS=173} [2022-11-20 11:13:37,551 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -39 predicate places. [2022-11-20 11:13:37,551 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 173 transitions, 358 flow [2022-11-20 11:13:37,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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) [2022-11-20 11:13:37,552 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:37,552 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:37,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:13:37,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:37,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:37,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1021182563, now seen corresponding path program 1 times [2022-11-20 11:13:37,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:37,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459872529] [2022-11-20 11:13:37,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:37,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:37,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:37,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459872529] [2022-11-20 11:13:37,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459872529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:37,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:37,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:13:37,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578922972] [2022-11-20 11:13:37,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:37,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:37,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:37,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:37,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:37,649 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 238 [2022-11-20 11:13:37,650 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 173 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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) [2022-11-20 11:13:37,650 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:37,650 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 238 [2022-11-20 11:13:37,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:37,940 INFO L130 PetriNetUnfolder]: 449/1048 cut-off events. [2022-11-20 11:13:37,940 INFO L131 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-11-20 11:13:37,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1711 conditions, 1048 events. 449/1048 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5068 event pairs, 272 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1678. Up to 617 conditions per place. [2022-11-20 11:13:37,952 INFO L137 encePairwiseOnDemand]: 235/238 looper letters, 28 selfloop transitions, 2 changer transitions 0/172 dead transitions. [2022-11-20 11:13:37,953 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 172 transitions, 416 flow [2022-11-20 11:13:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:13:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2022-11-20 11:13:37,956 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7450980392156863 [2022-11-20 11:13:37,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 532 transitions. [2022-11-20 11:13:37,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 532 transitions. [2022-11-20 11:13:37,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:37,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 532 transitions. [2022-11-20 11:13:37,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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) [2022-11-20 11:13:37,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:37,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:37,963 INFO L175 Difference]: Start difference. First operand has 176 places, 173 transitions, 358 flow. Second operand 3 states and 532 transitions. [2022-11-20 11:13:37,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 172 transitions, 416 flow [2022-11-20 11:13:37,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 172 transitions, 412 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:13:37,970 INFO L231 Difference]: Finished difference. Result has 174 places, 172 transitions, 356 flow [2022-11-20 11:13:37,970 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=174, PETRI_TRANSITIONS=172} [2022-11-20 11:13:37,971 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -41 predicate places. [2022-11-20 11:13:37,972 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 172 transitions, 356 flow [2022-11-20 11:13:37,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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) [2022-11-20 11:13:37,973 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:37,973 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:37,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:13:37,974 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:37,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:37,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2038512627, now seen corresponding path program 1 times [2022-11-20 11:13:37,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:37,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605173] [2022-11-20 11:13:37,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:37,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:38,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:38,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605173] [2022-11-20 11:13:38,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:38,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:38,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:13:38,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989138169] [2022-11-20 11:13:38,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:38,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:38,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:38,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:38,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:38,068 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 238 [2022-11-20 11:13:38,069 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 172 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2022-11-20 11:13:38,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:38,070 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 238 [2022-11-20 11:13:38,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:38,432 INFO L130 PetriNetUnfolder]: 449/1047 cut-off events. [2022-11-20 11:13:38,432 INFO L131 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-11-20 11:13:38,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1708 conditions, 1047 events. 449/1047 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5061 event pairs, 272 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1669. Up to 615 conditions per place. [2022-11-20 11:13:38,443 INFO L137 encePairwiseOnDemand]: 235/238 looper letters, 26 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2022-11-20 11:13:38,443 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 171 transitions, 410 flow [2022-11-20 11:13:38,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:38,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:13:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 539 transitions. [2022-11-20 11:13:38,448 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7549019607843137 [2022-11-20 11:13:38,448 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 539 transitions. [2022-11-20 11:13:38,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 539 transitions. [2022-11-20 11:13:38,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:38,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 539 transitions. [2022-11-20 11:13:38,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 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) [2022-11-20 11:13:38,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:38,455 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:38,455 INFO L175 Difference]: Start difference. First operand has 174 places, 172 transitions, 356 flow. Second operand 3 states and 539 transitions. [2022-11-20 11:13:38,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 171 transitions, 410 flow [2022-11-20 11:13:38,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 171 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:13:38,461 INFO L231 Difference]: Finished difference. Result has 173 places, 171 transitions, 354 flow [2022-11-20 11:13:38,462 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=173, PETRI_TRANSITIONS=171} [2022-11-20 11:13:38,465 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -42 predicate places. [2022-11-20 11:13:38,465 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 171 transitions, 354 flow [2022-11-20 11:13:38,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2022-11-20 11:13:38,466 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:38,467 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] [2022-11-20 11:13:38,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:13:38,467 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:38,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:38,469 INFO L85 PathProgramCache]: Analyzing trace with hash -82782642, now seen corresponding path program 1 times [2022-11-20 11:13:38,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:38,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683645383] [2022-11-20 11:13:38,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:38,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:38,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:38,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683645383] [2022-11-20 11:13:38,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683645383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:38,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:38,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:13:38,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046116212] [2022-11-20 11:13:38,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:38,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:38,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:38,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:38,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:38,595 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 238 [2022-11-20 11:13:38,596 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 171 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2022-11-20 11:13:38,597 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:38,597 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 238 [2022-11-20 11:13:38,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:38,879 INFO L130 PetriNetUnfolder]: 449/1046 cut-off events. [2022-11-20 11:13:38,879 INFO L131 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-11-20 11:13:38,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1707 conditions, 1046 events. 449/1046 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5068 event pairs, 272 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1661. Up to 615 conditions per place. [2022-11-20 11:13:38,892 INFO L137 encePairwiseOnDemand]: 235/238 looper letters, 26 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2022-11-20 11:13:38,892 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 170 transitions, 408 flow [2022-11-20 11:13:38,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:38,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:13:38,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 539 transitions. [2022-11-20 11:13:38,895 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7549019607843137 [2022-11-20 11:13:38,895 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 539 transitions. [2022-11-20 11:13:38,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 539 transitions. [2022-11-20 11:13:38,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:38,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 539 transitions. [2022-11-20 11:13:38,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.66666666666666) internal successors, (539), 3 states have internal predecessors, (539), 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) [2022-11-20 11:13:38,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:38,901 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:38,901 INFO L175 Difference]: Start difference. First operand has 173 places, 171 transitions, 354 flow. Second operand 3 states and 539 transitions. [2022-11-20 11:13:38,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 170 transitions, 408 flow [2022-11-20 11:13:38,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 170 transitions, 404 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:13:38,906 INFO L231 Difference]: Finished difference. Result has 172 places, 170 transitions, 352 flow [2022-11-20 11:13:38,907 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=170, 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=352, PETRI_PLACES=172, PETRI_TRANSITIONS=170} [2022-11-20 11:13:38,908 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -43 predicate places. [2022-11-20 11:13:38,909 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 170 transitions, 352 flow [2022-11-20 11:13:38,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2022-11-20 11:13:38,909 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:38,910 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] [2022-11-20 11:13:38,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:13:38,910 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:38,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:38,911 INFO L85 PathProgramCache]: Analyzing trace with hash 154235018, now seen corresponding path program 1 times [2022-11-20 11:13:38,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:38,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611785851] [2022-11-20 11:13:38,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:38,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:39,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:39,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611785851] [2022-11-20 11:13:39,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611785851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:39,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:39,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:13:39,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116855190] [2022-11-20 11:13:39,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:39,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:39,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:39,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:39,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:39,017 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 238 [2022-11-20 11:13:39,018 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 170 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2022-11-20 11:13:39,018 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:39,018 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 238 [2022-11-20 11:13:39,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:39,292 INFO L130 PetriNetUnfolder]: 449/1045 cut-off events. [2022-11-20 11:13:39,292 INFO L131 PetriNetUnfolder]: For 40/111 co-relation queries the response was YES. [2022-11-20 11:13:39,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1703 conditions, 1045 events. 449/1045 cut-off events. For 40/111 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5070 event pairs, 272 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 1650. Up to 612 conditions per place. [2022-11-20 11:13:39,303 INFO L137 encePairwiseOnDemand]: 235/238 looper letters, 23 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2022-11-20 11:13:39,304 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 169 transitions, 400 flow [2022-11-20 11:13:39,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:13:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2022-11-20 11:13:39,306 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7633053221288515 [2022-11-20 11:13:39,307 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 545 transitions. [2022-11-20 11:13:39,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 545 transitions. [2022-11-20 11:13:39,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:39,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 545 transitions. [2022-11-20 11:13:39,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 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) [2022-11-20 11:13:39,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:39,313 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:39,313 INFO L175 Difference]: Start difference. First operand has 172 places, 170 transitions, 352 flow. Second operand 3 states and 545 transitions. [2022-11-20 11:13:39,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 169 transitions, 400 flow [2022-11-20 11:13:39,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 396 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:13:39,318 INFO L231 Difference]: Finished difference. Result has 171 places, 169 transitions, 350 flow [2022-11-20 11:13:39,319 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=171, PETRI_TRANSITIONS=169} [2022-11-20 11:13:39,322 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -44 predicate places. [2022-11-20 11:13:39,322 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 169 transitions, 350 flow [2022-11-20 11:13:39,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2022-11-20 11:13:39,323 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:39,324 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:39,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:13:39,324 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:39,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:39,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1002965325, now seen corresponding path program 1 times [2022-11-20 11:13:39,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:39,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418559401] [2022-11-20 11:13:39,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:39,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:39,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:39,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418559401] [2022-11-20 11:13:39,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418559401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:39,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:39,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:13:39,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154048049] [2022-11-20 11:13:39,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:39,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:39,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:39,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:39,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:39,423 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 238 [2022-11-20 11:13:39,425 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 169 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2022-11-20 11:13:39,425 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:39,425 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 238 [2022-11-20 11:13:39,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:39,850 INFO L130 PetriNetUnfolder]: 640/1578 cut-off events. [2022-11-20 11:13:39,850 INFO L131 PetriNetUnfolder]: For 71/536 co-relation queries the response was YES. [2022-11-20 11:13:39,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2512 conditions, 1578 events. 640/1578 cut-off events. For 71/536 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 8404 event pairs, 121 based on Foata normal form. 1/1385 useless extension candidates. Maximal degree in co-relation 2452. Up to 619 conditions per place. [2022-11-20 11:13:39,869 INFO L137 encePairwiseOnDemand]: 232/238 looper letters, 40 selfloop transitions, 4 changer transitions 0/185 dead transitions. [2022-11-20 11:13:39,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 185 transitions, 477 flow [2022-11-20 11:13:39,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:39,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:13:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2022-11-20 11:13:39,873 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7787114845938375 [2022-11-20 11:13:39,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 556 transitions. [2022-11-20 11:13:39,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 556 transitions. [2022-11-20 11:13:39,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:39,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 556 transitions. [2022-11-20 11:13:39,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 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) [2022-11-20 11:13:39,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:39,883 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:39,884 INFO L175 Difference]: Start difference. First operand has 171 places, 169 transitions, 350 flow. Second operand 3 states and 556 transitions. [2022-11-20 11:13:39,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 185 transitions, 477 flow [2022-11-20 11:13:39,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 185 transitions, 473 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:13:39,891 INFO L231 Difference]: Finished difference. Result has 171 places, 170 transitions, 370 flow [2022-11-20 11:13:39,891 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=370, PETRI_PLACES=171, PETRI_TRANSITIONS=170} [2022-11-20 11:13:39,895 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -44 predicate places. [2022-11-20 11:13:39,895 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 170 transitions, 370 flow [2022-11-20 11:13:39,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2022-11-20 11:13:39,897 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:39,898 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] [2022-11-20 11:13:39,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:13:39,899 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:39,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:39,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1777028818, now seen corresponding path program 1 times [2022-11-20 11:13:39,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:39,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820888318] [2022-11-20 11:13:39,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:39,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:40,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:40,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820888318] [2022-11-20 11:13:40,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820888318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:40,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:40,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:13:40,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256806706] [2022-11-20 11:13:40,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:40,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:40,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:40,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:40,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:40,041 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 238 [2022-11-20 11:13:40,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 170 transitions, 370 flow. Second operand has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2022-11-20 11:13:40,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:40,043 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 238 [2022-11-20 11:13:40,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:40,530 INFO L130 PetriNetUnfolder]: 847/2002 cut-off events. [2022-11-20 11:13:40,530 INFO L131 PetriNetUnfolder]: For 456/724 co-relation queries the response was YES. [2022-11-20 11:13:40,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3511 conditions, 2002 events. 847/2002 cut-off events. For 456/724 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 12265 event pairs, 163 based on Foata normal form. 3/1715 useless extension candidates. Maximal degree in co-relation 1636. Up to 795 conditions per place. [2022-11-20 11:13:40,586 INFO L137 encePairwiseOnDemand]: 232/238 looper letters, 38 selfloop transitions, 3 changer transitions 8/186 dead transitions. [2022-11-20 11:13:40,586 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 186 transitions, 509 flow [2022-11-20 11:13:40,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:13:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 553 transitions. [2022-11-20 11:13:40,589 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7745098039215687 [2022-11-20 11:13:40,590 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 553 transitions. [2022-11-20 11:13:40,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 553 transitions. [2022-11-20 11:13:40,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:40,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 553 transitions. [2022-11-20 11:13:40,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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) [2022-11-20 11:13:40,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:40,595 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:40,595 INFO L175 Difference]: Start difference. First operand has 171 places, 170 transitions, 370 flow. Second operand 3 states and 553 transitions. [2022-11-20 11:13:40,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 186 transitions, 509 flow [2022-11-20 11:13:40,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 186 transitions, 497 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:13:40,602 INFO L231 Difference]: Finished difference. Result has 170 places, 164 transitions, 358 flow [2022-11-20 11:13:40,603 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=170, PETRI_TRANSITIONS=164} [2022-11-20 11:13:40,603 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -45 predicate places. [2022-11-20 11:13:40,604 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 164 transitions, 358 flow [2022-11-20 11:13:40,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2022-11-20 11:13:40,604 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:40,605 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:40,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:13:40,605 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:40,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:40,606 INFO L85 PathProgramCache]: Analyzing trace with hash -734553961, now seen corresponding path program 1 times [2022-11-20 11:13:40,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:40,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874820435] [2022-11-20 11:13:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:40,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:40,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:40,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:40,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874820435] [2022-11-20 11:13:40,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874820435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:40,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:40,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:13:40,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584299870] [2022-11-20 11:13:40,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:40,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:40,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:40,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:40,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:40,687 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 238 [2022-11-20 11:13:40,688 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 164 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2022-11-20 11:13:40,688 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:40,688 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 238 [2022-11-20 11:13:40,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:41,264 INFO L130 PetriNetUnfolder]: 1031/2568 cut-off events. [2022-11-20 11:13:41,265 INFO L131 PetriNetUnfolder]: For 568/994 co-relation queries the response was YES. [2022-11-20 11:13:41,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4661 conditions, 2568 events. 1031/2568 cut-off events. For 568/994 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 17225 event pairs, 238 based on Foata normal form. 2/2186 useless extension candidates. Maximal degree in co-relation 1707. Up to 932 conditions per place. [2022-11-20 11:13:41,292 INFO L137 encePairwiseOnDemand]: 230/238 looper letters, 37 selfloop transitions, 9 changer transitions 0/182 dead transitions. [2022-11-20 11:13:41,292 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 182 transitions, 505 flow [2022-11-20 11:13:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:41,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:13:41,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2022-11-20 11:13:41,295 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7843137254901961 [2022-11-20 11:13:41,296 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 560 transitions. [2022-11-20 11:13:41,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 560 transitions. [2022-11-20 11:13:41,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:41,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 560 transitions. [2022-11-20 11:13:41,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.66666666666666) internal successors, (560), 3 states have internal predecessors, (560), 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) [2022-11-20 11:13:41,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:41,301 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:41,301 INFO L175 Difference]: Start difference. First operand has 170 places, 164 transitions, 358 flow. Second operand 3 states and 560 transitions. [2022-11-20 11:13:41,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 182 transitions, 505 flow [2022-11-20 11:13:41,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 182 transitions, 500 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:13:41,307 INFO L231 Difference]: Finished difference. Result has 167 places, 169 transitions, 417 flow [2022-11-20 11:13:41,307 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=417, PETRI_PLACES=167, PETRI_TRANSITIONS=169} [2022-11-20 11:13:41,308 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -48 predicate places. [2022-11-20 11:13:41,308 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 169 transitions, 417 flow [2022-11-20 11:13:41,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2022-11-20 11:13:41,309 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:41,309 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:41,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 11:13:41,310 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:41,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:41,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1531699830, now seen corresponding path program 1 times [2022-11-20 11:13:41,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:41,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497734786] [2022-11-20 11:13:41,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:41,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:41,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:41,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497734786] [2022-11-20 11:13:41,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497734786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:41,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:41,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:13:41,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958199654] [2022-11-20 11:13:41,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:41,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:13:41,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:41,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:13:41,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:13:41,360 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 238 [2022-11-20 11:13:41,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 169 transitions, 417 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2022-11-20 11:13:41,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:41,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 238 [2022-11-20 11:13:41,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:42,074 INFO L130 PetriNetUnfolder]: 1296/3397 cut-off events. [2022-11-20 11:13:42,074 INFO L131 PetriNetUnfolder]: For 2702/2960 co-relation queries the response was YES. [2022-11-20 11:13:42,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7122 conditions, 3397 events. 1296/3397 cut-off events. For 2702/2960 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 24729 event pairs, 255 based on Foata normal form. 5/2935 useless extension candidates. Maximal degree in co-relation 2866. Up to 1050 conditions per place. [2022-11-20 11:13:42,118 INFO L137 encePairwiseOnDemand]: 230/238 looper letters, 51 selfloop transitions, 9 changer transitions 0/195 dead transitions. [2022-11-20 11:13:42,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 195 transitions, 656 flow [2022-11-20 11:13:42,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:13:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:13:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2022-11-20 11:13:42,120 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7871148459383753 [2022-11-20 11:13:42,121 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2022-11-20 11:13:42,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2022-11-20 11:13:42,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:42,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2022-11-20 11:13:42,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2022-11-20 11:13:42,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:42,127 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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) [2022-11-20 11:13:42,127 INFO L175 Difference]: Start difference. First operand has 167 places, 169 transitions, 417 flow. Second operand 3 states and 562 transitions. [2022-11-20 11:13:42,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 195 transitions, 656 flow [2022-11-20 11:13:42,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 195 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:13:42,138 INFO L231 Difference]: Finished difference. Result has 168 places, 174 transitions, 461 flow [2022-11-20 11:13:42,139 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=461, PETRI_PLACES=168, PETRI_TRANSITIONS=174} [2022-11-20 11:13:42,140 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -47 predicate places. [2022-11-20 11:13:42,140 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 174 transitions, 461 flow [2022-11-20 11:13:42,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2022-11-20 11:13:42,141 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:42,141 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:42,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 11:13:42,141 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:42,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:42,142 INFO L85 PathProgramCache]: Analyzing trace with hash 777751023, now seen corresponding path program 1 times [2022-11-20 11:13:42,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:42,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728446426] [2022-11-20 11:13:42,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:42,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:43,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:43,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728446426] [2022-11-20 11:13:43,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728446426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:43,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:43,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:13:43,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970716481] [2022-11-20 11:13:43,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:43,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:13:43,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:43,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:13:43,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:13:43,029 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 238 [2022-11-20 11:13:43,030 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 174 transitions, 461 flow. Second operand has 6 states, 6 states have (on average 151.16666666666666) internal successors, (907), 6 states have internal predecessors, (907), 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) [2022-11-20 11:13:43,031 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:43,031 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 238 [2022-11-20 11:13:43,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:46,068 INFO L130 PetriNetUnfolder]: 8700/13029 cut-off events. [2022-11-20 11:13:46,068 INFO L131 PetriNetUnfolder]: For 22791/22791 co-relation queries the response was YES. [2022-11-20 11:13:46,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40226 conditions, 13029 events. 8700/13029 cut-off events. For 22791/22791 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 71758 event pairs, 768 based on Foata normal form. 0/12466 useless extension candidates. Maximal degree in co-relation 11560. Up to 5548 conditions per place. [2022-11-20 11:13:46,255 INFO L137 encePairwiseOnDemand]: 233/238 looper letters, 169 selfloop transitions, 4 changer transitions 1/285 dead transitions. [2022-11-20 11:13:46,256 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 285 transitions, 1415 flow [2022-11-20 11:13:46,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:13:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:13:46,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 989 transitions. [2022-11-20 11:13:46,261 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6925770308123249 [2022-11-20 11:13:46,261 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 989 transitions. [2022-11-20 11:13:46,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 989 transitions. [2022-11-20 11:13:46,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:46,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 989 transitions. [2022-11-20 11:13:46,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 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) [2022-11-20 11:13:46,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 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) [2022-11-20 11:13:46,274 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 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) [2022-11-20 11:13:46,274 INFO L175 Difference]: Start difference. First operand has 168 places, 174 transitions, 461 flow. Second operand 6 states and 989 transitions. [2022-11-20 11:13:46,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 285 transitions, 1415 flow [2022-11-20 11:13:46,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 285 transitions, 1333 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:13:46,293 INFO L231 Difference]: Finished difference. Result has 170 places, 172 transitions, 447 flow [2022-11-20 11:13:46,295 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=447, PETRI_PLACES=170, PETRI_TRANSITIONS=172} [2022-11-20 11:13:46,297 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -45 predicate places. [2022-11-20 11:13:46,298 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 172 transitions, 447 flow [2022-11-20 11:13:46,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 151.16666666666666) internal successors, (907), 6 states have internal predecessors, (907), 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) [2022-11-20 11:13:46,299 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:46,299 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:46,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:13:46,300 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:46,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:46,300 INFO L85 PathProgramCache]: Analyzing trace with hash 693657062, now seen corresponding path program 1 times [2022-11-20 11:13:46,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:46,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856965046] [2022-11-20 11:13:46,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:46,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:47,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:47,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856965046] [2022-11-20 11:13:47,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856965046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:47,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:47,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:13:47,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081213247] [2022-11-20 11:13:47,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:47,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:13:47,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:47,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:13:47,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:13:47,193 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 238 [2022-11-20 11:13:47,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 172 transitions, 447 flow. Second operand has 6 states, 6 states have (on average 152.33333333333334) internal successors, (914), 6 states have internal predecessors, (914), 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) [2022-11-20 11:13:47,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:47,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 238 [2022-11-20 11:13:47,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:49,948 INFO L130 PetriNetUnfolder]: 7804/11839 cut-off events. [2022-11-20 11:13:49,948 INFO L131 PetriNetUnfolder]: For 13910/13910 co-relation queries the response was YES. [2022-11-20 11:13:49,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34239 conditions, 11839 events. 7804/11839 cut-off events. For 13910/13910 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 65648 event pairs, 2712 based on Foata normal form. 0/11347 useless extension candidates. Maximal degree in co-relation 9758. Up to 7600 conditions per place. [2022-11-20 11:13:50,084 INFO L137 encePairwiseOnDemand]: 233/238 looper letters, 132 selfloop transitions, 4 changer transitions 0/247 dead transitions. [2022-11-20 11:13:50,085 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 247 transitions, 1085 flow [2022-11-20 11:13:50,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:13:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:13:50,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 975 transitions. [2022-11-20 11:13:50,088 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6827731092436975 [2022-11-20 11:13:50,089 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 975 transitions. [2022-11-20 11:13:50,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 975 transitions. [2022-11-20 11:13:50,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:50,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 975 transitions. [2022-11-20 11:13:50,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.5) internal successors, (975), 6 states have internal predecessors, (975), 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) [2022-11-20 11:13:50,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 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) [2022-11-20 11:13:50,097 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 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) [2022-11-20 11:13:50,097 INFO L175 Difference]: Start difference. First operand has 170 places, 172 transitions, 447 flow. Second operand 6 states and 975 transitions. [2022-11-20 11:13:50,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 247 transitions, 1085 flow [2022-11-20 11:13:50,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 247 transitions, 1078 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:13:50,110 INFO L231 Difference]: Finished difference. Result has 169 places, 171 transitions, 446 flow [2022-11-20 11:13:50,110 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=446, PETRI_PLACES=169, PETRI_TRANSITIONS=171} [2022-11-20 11:13:50,111 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -46 predicate places. [2022-11-20 11:13:50,111 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 171 transitions, 446 flow [2022-11-20 11:13:50,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.33333333333334) internal successors, (914), 6 states have internal predecessors, (914), 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) [2022-11-20 11:13:50,112 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:50,112 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:50,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:13:50,113 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:50,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:50,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1367373059, now seen corresponding path program 1 times [2022-11-20 11:13:50,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:50,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740311729] [2022-11-20 11:13:50,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:50,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:51,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:51,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:51,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740311729] [2022-11-20 11:13:51,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740311729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:51,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:51,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:13:51,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039911868] [2022-11-20 11:13:51,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:51,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:13:51,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:51,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:13:51,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:13:51,042 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 238 [2022-11-20 11:13:51,044 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 171 transitions, 446 flow. Second operand has 6 states, 6 states have (on average 153.5) internal successors, (921), 6 states have internal predecessors, (921), 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) [2022-11-20 11:13:51,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:51,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 238 [2022-11-20 11:13:51,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:53,694 INFO L130 PetriNetUnfolder]: 7582/11664 cut-off events. [2022-11-20 11:13:53,694 INFO L131 PetriNetUnfolder]: For 13212/13212 co-relation queries the response was YES. [2022-11-20 11:13:53,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33159 conditions, 11664 events. 7582/11664 cut-off events. For 13212/13212 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 65213 event pairs, 3306 based on Foata normal form. 0/11226 useless extension candidates. Maximal degree in co-relation 25046. Up to 9288 conditions per place. [2022-11-20 11:13:53,816 INFO L137 encePairwiseOnDemand]: 233/238 looper letters, 111 selfloop transitions, 4 changer transitions 0/226 dead transitions. [2022-11-20 11:13:53,817 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 226 transitions, 946 flow [2022-11-20 11:13:53,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:13:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:13:53,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 962 transitions. [2022-11-20 11:13:53,820 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6736694677871149 [2022-11-20 11:13:53,820 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 962 transitions. [2022-11-20 11:13:53,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 962 transitions. [2022-11-20 11:13:53,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:53,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 962 transitions. [2022-11-20 11:13:53,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 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) [2022-11-20 11:13:53,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 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) [2022-11-20 11:13:53,828 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 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) [2022-11-20 11:13:53,829 INFO L175 Difference]: Start difference. First operand has 169 places, 171 transitions, 446 flow. Second operand 6 states and 962 transitions. [2022-11-20 11:13:53,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 226 transitions, 946 flow [2022-11-20 11:13:53,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 226 transitions, 939 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:13:53,840 INFO L231 Difference]: Finished difference. Result has 169 places, 170 transitions, 445 flow [2022-11-20 11:13:53,840 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=445, PETRI_PLACES=169, PETRI_TRANSITIONS=170} [2022-11-20 11:13:53,841 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -46 predicate places. [2022-11-20 11:13:53,841 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 170 transitions, 445 flow [2022-11-20 11:13:53,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.5) internal successors, (921), 6 states have internal predecessors, (921), 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) [2022-11-20 11:13:53,842 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:13:53,842 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:53,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 11:13:53,843 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-11-20 11:13:53,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:13:53,843 INFO L85 PathProgramCache]: Analyzing trace with hash -689727066, now seen corresponding path program 1 times [2022-11-20 11:13:53,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:13:53,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468671621] [2022-11-20 11:13:53,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:13:53,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:13:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:13:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:13:54,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:13:54,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468671621] [2022-11-20 11:13:54,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468671621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:13:54,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:13:54,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:13:54,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388370427] [2022-11-20 11:13:54,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:13:54,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:13:54,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:13:54,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:13:54,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:13:54,669 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 238 [2022-11-20 11:13:54,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 170 transitions, 445 flow. Second operand has 6 states, 6 states have (on average 154.66666666666666) internal successors, (928), 6 states have internal predecessors, (928), 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) [2022-11-20 11:13:54,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:13:54,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 238 [2022-11-20 11:13:54,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:13:57,094 INFO L130 PetriNetUnfolder]: 7685/11756 cut-off events. [2022-11-20 11:13:57,094 INFO L131 PetriNetUnfolder]: For 13372/13372 co-relation queries the response was YES. [2022-11-20 11:13:57,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33364 conditions, 11756 events. 7685/11756 cut-off events. For 13372/13372 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 65539 event pairs, 3517 based on Foata normal form. 12/11334 useless extension candidates. Maximal degree in co-relation 31521. Up to 9904 conditions per place. [2022-11-20 11:13:57,143 INFO L137 encePairwiseOnDemand]: 233/238 looper letters, 0 selfloop transitions, 0 changer transitions 189/189 dead transitions. [2022-11-20 11:13:57,143 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 189 transitions, 695 flow [2022-11-20 11:13:57,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:13:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:13:57,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 949 transitions. [2022-11-20 11:13:57,146 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6645658263305322 [2022-11-20 11:13:57,147 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 949 transitions. [2022-11-20 11:13:57,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 949 transitions. [2022-11-20 11:13:57,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:13:57,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 949 transitions. [2022-11-20 11:13:57,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.16666666666666) internal successors, (949), 6 states have internal predecessors, (949), 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) [2022-11-20 11:13:57,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 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) [2022-11-20 11:13:57,154 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 238.0) internal successors, (1666), 7 states have internal predecessors, (1666), 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) [2022-11-20 11:13:57,155 INFO L175 Difference]: Start difference. First operand has 169 places, 170 transitions, 445 flow. Second operand 6 states and 949 transitions. [2022-11-20 11:13:57,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 189 transitions, 695 flow [2022-11-20 11:13:57,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 189 transitions, 688 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:13:57,162 INFO L231 Difference]: Finished difference. Result has 169 places, 0 transitions, 0 flow [2022-11-20 11:13:57,162 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=169, PETRI_TRANSITIONS=0} [2022-11-20 11:13:57,163 INFO L288 CegarLoopForPetriNet]: 215 programPoint places, -46 predicate places. [2022-11-20 11:13:57,163 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 0 transitions, 0 flow [2022-11-20 11:13:57,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.66666666666666) internal successors, (928), 6 states have internal predecessors, (928), 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) [2022-11-20 11:13:57,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 83 remaining) [2022-11-20 11:13:57,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2022-11-20 11:13:57,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2022-11-20 11:13:57,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2022-11-20 11:13:57,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2022-11-20 11:13:57,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2022-11-20 11:13:57,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2022-11-20 11:13:57,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2022-11-20 11:13:57,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2022-11-20 11:13:57,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2022-11-20 11:13:57,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2022-11-20 11:13:57,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2022-11-20 11:13:57,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2022-11-20 11:13:57,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2022-11-20 11:13:57,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2022-11-20 11:13:57,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2022-11-20 11:13:57,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2022-11-20 11:13:57,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2022-11-20 11:13:57,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2022-11-20 11:13:57,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2022-11-20 11:13:57,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2022-11-20 11:13:57,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2022-11-20 11:13:57,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2022-11-20 11:13:57,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2022-11-20 11:13:57,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2022-11-20 11:13:57,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2022-11-20 11:13:57,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2022-11-20 11:13:57,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2022-11-20 11:13:57,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2022-11-20 11:13:57,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2022-11-20 11:13:57,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2022-11-20 11:13:57,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2022-11-20 11:13:57,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2022-11-20 11:13:57,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2022-11-20 11:13:57,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2022-11-20 11:13:57,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2022-11-20 11:13:57,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2022-11-20 11:13:57,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2022-11-20 11:13:57,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2022-11-20 11:13:57,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 83 remaining) [2022-11-20 11:13:57,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 83 remaining) [2022-11-20 11:13:57,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 83 remaining) [2022-11-20 11:13:57,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 83 remaining) [2022-11-20 11:13:57,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2022-11-20 11:13:57,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2022-11-20 11:13:57,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2022-11-20 11:13:57,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2022-11-20 11:13:57,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (35 of 83 remaining) [2022-11-20 11:13:57,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (34 of 83 remaining) [2022-11-20 11:13:57,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (33 of 83 remaining) [2022-11-20 11:13:57,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2022-11-20 11:13:57,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2022-11-20 11:13:57,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2022-11-20 11:13:57,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2022-11-20 11:13:57,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2022-11-20 11:13:57,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2022-11-20 11:13:57,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2022-11-20 11:13:57,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2022-11-20 11:13:57,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2022-11-20 11:13:57,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2022-11-20 11:13:57,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2022-11-20 11:13:57,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2022-11-20 11:13:57,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2022-11-20 11:13:57,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2022-11-20 11:13:57,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2022-11-20 11:13:57,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2022-11-20 11:13:57,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2022-11-20 11:13:57,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2022-11-20 11:13:57,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2022-11-20 11:13:57,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2022-11-20 11:13:57,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2022-11-20 11:13:57,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2022-11-20 11:13:57,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2022-11-20 11:13:57,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2022-11-20 11:13:57,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2022-11-20 11:13:57,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2022-11-20 11:13:57,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2022-11-20 11:13:57,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2022-11-20 11:13:57,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2022-11-20 11:13:57,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2022-11-20 11:13:57,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2022-11-20 11:13:57,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2022-11-20 11:13:57,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2022-11-20 11:13:57,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 11:13:57,189 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:13:57,196 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 11:13:57,196 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:13:57,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:13:57 BasicIcfg [2022-11-20 11:13:57,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:13:57,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:13:57,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:13:57,204 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:13:57,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:13:35" (3/4) ... [2022-11-20 11:13:57,208 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:13:57,214 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 11:13:57,215 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 11:13:57,215 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 11:13:57,216 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-20 11:13:57,222 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-20 11:13:57,223 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:13:57,223 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:13:57,224 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:13:57,300 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:13:57,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:13:57,301 INFO L158 Benchmark]: Toolchain (without parser) took 23184.31ms. Allocated memory was 157.3MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 118.5MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 442.2MB. Max. memory is 16.1GB. [2022-11-20 11:13:57,301 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 157.3MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:13:57,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.10ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 106.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:13:57,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.40ms. Allocated memory is still 157.3MB. Free memory was 106.3MB in the beginning and 104.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:13:57,303 INFO L158 Benchmark]: Boogie Preprocessor took 52.24ms. Allocated memory is still 157.3MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:13:57,303 INFO L158 Benchmark]: RCFGBuilder took 1306.45ms. Allocated memory is still 157.3MB. Free memory was 102.1MB in the beginning and 60.9MB in the end (delta: 41.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 11:13:57,304 INFO L158 Benchmark]: TraceAbstraction took 21287.93ms. Allocated memory was 157.3MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 60.2MB in the beginning and 4.1GB in the end (delta: -4.1GB). Peak memory consumption was 561.8MB. Max. memory is 16.1GB. [2022-11-20 11:13:57,305 INFO L158 Benchmark]: Witness Printer took 96.62ms. Allocated memory is still 4.6GB. Free memory was 4.1GB in the beginning and 4.1GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:13:57,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 157.3MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.10ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 106.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.40ms. Allocated memory is still 157.3MB. Free memory was 106.3MB in the beginning and 104.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.24ms. Allocated memory is still 157.3MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1306.45ms. Allocated memory is still 157.3MB. Free memory was 102.1MB in the beginning and 60.9MB in the end (delta: 41.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21287.93ms. Allocated memory was 157.3MB in the beginning and 4.6GB in the end (delta: 4.5GB). Free memory was 60.2MB in the beginning and 4.1GB in the end (delta: -4.1GB). Peak memory consumption was 561.8MB. Max. memory is 16.1GB. * Witness Printer took 96.62ms. Allocated memory is still 4.6GB. Free memory was 4.1GB in the beginning and 4.1GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 292 locations, 83 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: 21.0s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 229 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 101 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1049 IncrementalHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 101 mSDtfsCounter, 1049 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=461occurred in iteration=9, InterpolantAutomatonStates: 51, 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, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 882 NumberOfCodeBlocks, 882 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 869 ConstructedInterpolants, 0 QuantifiedInterpolants, 1211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 11:13:57,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6619269b-a920-48bc-be4c-1aac98261e99/bin/uautomizer-ug76WZFUDN/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