./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:02:03,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:02:03,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 12:02:03,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:02:03,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:02:03,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:02:03,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:02:03,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:02:03,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:02:03,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:02:03,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:02:03,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:02:03,304 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:02:03,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:02:03,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:02:03,306 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:02:03,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:02:03,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:02:03,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:02:03,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:02:03,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:02:03,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:02:03,310 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 12:02:03,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:02:03,311 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:02:03,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:02:03,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:02:03,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:02:03,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:02:03,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:02:03,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:02:03,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:02:03,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:02:03,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:02:03,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:02:03,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:02:03,318 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:02:03,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:02:03,319 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:02:03,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:02:03,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:02:03,320 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-26 12:02:03,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:02:03,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:02:03,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:02:03,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:02:03,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:02:03,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-26 12:02:06,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:02:07,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:02:07,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-26 12:02:07,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/data/2275a75b8/fbc163cbc4674e778818f680ad67f2c9/FLAG8d5692236 [2023-11-26 12:02:07,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/data/2275a75b8/fbc163cbc4674e778818f680ad67f2c9 [2023-11-26 12:02:07,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:02:07,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:02:07,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:07,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:02:07,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:02:07,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c92c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07, skipping insertion in model container [2023-11-26 12:02:07,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,220 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:02:07,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:07,550 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:02:07,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:07,658 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:02:07,659 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:02:07,667 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:02:07,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07 WrapperNode [2023-11-26 12:02:07,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:07,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:07,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:02:07,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:02:07,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,781 INFO L138 Inliner]: procedures = 27, calls = 84, calls flagged for inlining = 23, calls inlined = 29, statements flattened = 692 [2023-11-26 12:02:07,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:07,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:02:07,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:02:07,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:02:07,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:02:07,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:02:07,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:02:07,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:02:07,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (1/1) ... [2023-11-26 12:02:07,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:02:07,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:07,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:08,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:02:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:02:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:02:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 12:02:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 12:02:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 12:02:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 12:02:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 12:02:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 12:02:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 12:02:08,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 12:02:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-26 12:02:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-26 12:02:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 12:02:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 12:02:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 12:02:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:02:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:02:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:02:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:02:08,075 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 12:02:08,283 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:02:08,285 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:02:09,434 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:02:10,503 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:02:10,503 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-26 12:02:10,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:10 BoogieIcfgContainer [2023-11-26 12:02:10,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:02:10,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:02:10,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:02:10,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:02:10,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:02:07" (1/3) ... [2023-11-26 12:02:10,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520cb372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:10, skipping insertion in model container [2023-11-26 12:02:10,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:07" (2/3) ... [2023-11-26 12:02:10,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520cb372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:10, skipping insertion in model container [2023-11-26 12:02:10,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:10" (3/3) ... [2023-11-26 12:02:10,514 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series2.wvr.c [2023-11-26 12:02:10,523 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:02:10,534 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:02:10,534 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 103 error locations. [2023-11-26 12:02:10,534 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 12:02:10,687 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-26 12:02:10,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 467 places, 476 transitions, 980 flow [2023-11-26 12:02:10,929 INFO L124 PetriNetUnfolderBase]: 22/472 cut-off events. [2023-11-26 12:02:10,929 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-26 12:02:10,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 472 events. 22/472 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 693 event pairs, 0 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 383. Up to 2 conditions per place. [2023-11-26 12:02:10,939 INFO L82 GeneralOperation]: Start removeDead. Operand has 467 places, 476 transitions, 980 flow [2023-11-26 12:02:10,953 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 447 transitions, 918 flow [2023-11-26 12:02:10,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:02:10,969 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=LoopHeads, 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;@755f834a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:02:10,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 186 error locations. [2023-11-26 12:02:10,976 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 12:02:10,977 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-26 12:02:10,977 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:02:10,977 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:10,978 INFO L208 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] [2023-11-26 12:02:10,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:10,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:10,983 INFO L85 PathProgramCache]: Analyzing trace with hash -361342956, now seen corresponding path program 1 times [2023-11-26 12:02:10,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:10,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220163864] [2023-11-26 12:02:10,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:10,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:11,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:11,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220163864] [2023-11-26 12:02:11,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220163864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:11,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:11,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:11,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801441139] [2023-11-26 12:02:11,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:11,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:11,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:11,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:11,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:11,308 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 476 [2023-11-26 12:02:11,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 447 transitions, 918 flow. Second operand has 3 states, 3 states have (on average 353.3333333333333) internal successors, (1060), 3 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:11,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:11,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 476 [2023-11-26 12:02:11,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:12,054 INFO L124 PetriNetUnfolderBase]: 451/1265 cut-off events. [2023-11-26 12:02:12,055 INFO L125 PetriNetUnfolderBase]: For 211/318 co-relation queries the response was YES. [2023-11-26 12:02:12,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2006 conditions, 1265 events. 451/1265 cut-off events. For 211/318 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5544 event pairs, 272 based on Foata normal form. 186/1303 useless extension candidates. Maximal degree in co-relation 1562. Up to 614 conditions per place. [2023-11-26 12:02:12,074 INFO L140 encePairwiseOnDemand]: 380/476 looper letters, 25 selfloop transitions, 2 changer transitions 7/353 dead transitions. [2023-11-26 12:02:12,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 353 transitions, 784 flow [2023-11-26 12:02:12,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1177 transitions. [2023-11-26 12:02:12,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8242296918767507 [2023-11-26 12:02:12,100 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1177 transitions. [2023-11-26 12:02:12,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1177 transitions. [2023-11-26 12:02:12,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:12,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1177 transitions. [2023-11-26 12:02:12,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:12,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:12,128 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:12,130 INFO L175 Difference]: Start difference. First operand has 439 places, 447 transitions, 918 flow. Second operand 3 states and 1177 transitions. [2023-11-26 12:02:12,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 353 transitions, 784 flow [2023-11-26 12:02:12,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 353 transitions, 768 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-26 12:02:12,153 INFO L231 Difference]: Finished difference. Result has 353 places, 346 transitions, 704 flow [2023-11-26 12:02:12,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=353, PETRI_TRANSITIONS=346} [2023-11-26 12:02:12,161 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -86 predicate places. [2023-11-26 12:02:12,161 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 346 transitions, 704 flow [2023-11-26 12:02:12,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 353.3333333333333) internal successors, (1060), 3 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:12,163 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:12,163 INFO L208 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] [2023-11-26 12:02:12,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:02:12,164 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:12,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:12,164 INFO L85 PathProgramCache]: Analyzing trace with hash -41516963, now seen corresponding path program 1 times [2023-11-26 12:02:12,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:12,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595573074] [2023-11-26 12:02:12,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:12,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:12,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:12,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595573074] [2023-11-26 12:02:12,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595573074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:12,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:12,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:12,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259135954] [2023-11-26 12:02:12,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:12,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:12,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:12,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:12,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:12,319 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 476 [2023-11-26 12:02:12,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 346 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:12,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:12,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 476 [2023-11-26 12:02:12,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:12,890 INFO L124 PetriNetUnfolderBase]: 451/1257 cut-off events. [2023-11-26 12:02:12,891 INFO L125 PetriNetUnfolderBase]: For 40/147 co-relation queries the response was YES. [2023-11-26 12:02:12,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1916 conditions, 1257 events. 451/1257 cut-off events. For 40/147 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5497 event pairs, 272 based on Foata normal form. 0/1117 useless extension candidates. Maximal degree in co-relation 1877. Up to 613 conditions per place. [2023-11-26 12:02:12,906 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 24 selfloop transitions, 2 changer transitions 0/345 dead transitions. [2023-11-26 12:02:12,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 345 transitions, 754 flow [2023-11-26 12:02:12,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1086 transitions. [2023-11-26 12:02:12,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2023-11-26 12:02:12,912 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1086 transitions. [2023-11-26 12:02:12,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1086 transitions. [2023-11-26 12:02:12,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:12,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1086 transitions. [2023-11-26 12:02:12,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:12,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:12,924 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:12,924 INFO L175 Difference]: Start difference. First operand has 353 places, 346 transitions, 704 flow. Second operand 3 states and 1086 transitions. [2023-11-26 12:02:12,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 345 transitions, 754 flow [2023-11-26 12:02:12,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 345 transitions, 750 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:12,935 INFO L231 Difference]: Finished difference. Result has 345 places, 345 transitions, 702 flow [2023-11-26 12:02:12,936 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=345, PETRI_TRANSITIONS=345} [2023-11-26 12:02:12,937 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -94 predicate places. [2023-11-26 12:02:12,937 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 345 transitions, 702 flow [2023-11-26 12:02:12,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:12,939 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:12,939 INFO L208 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] [2023-11-26 12:02:12,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:02:12,940 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:12,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:12,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1669345835, now seen corresponding path program 1 times [2023-11-26 12:02:12,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:12,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955119125] [2023-11-26 12:02:12,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:12,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:13,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:13,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955119125] [2023-11-26 12:02:13,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955119125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:13,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:13,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:13,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778149657] [2023-11-26 12:02:13,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:13,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:13,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:13,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:13,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:13,118 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 476 [2023-11-26 12:02:13,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 345 transitions, 702 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:13,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:13,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 476 [2023-11-26 12:02:13,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:13,594 INFO L124 PetriNetUnfolderBase]: 451/1256 cut-off events. [2023-11-26 12:02:13,594 INFO L125 PetriNetUnfolderBase]: For 40/147 co-relation queries the response was YES. [2023-11-26 12:02:13,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1256 events. 451/1256 cut-off events. For 40/147 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5469 event pairs, 272 based on Foata normal form. 0/1117 useless extension candidates. Maximal degree in co-relation 1868. Up to 613 conditions per place. [2023-11-26 12:02:13,609 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 24 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2023-11-26 12:02:13,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 344 transitions, 752 flow [2023-11-26 12:02:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1086 transitions. [2023-11-26 12:02:13,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2023-11-26 12:02:13,614 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1086 transitions. [2023-11-26 12:02:13,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1086 transitions. [2023-11-26 12:02:13,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:13,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1086 transitions. [2023-11-26 12:02:13,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:13,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:13,626 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:13,626 INFO L175 Difference]: Start difference. First operand has 345 places, 345 transitions, 702 flow. Second operand 3 states and 1086 transitions. [2023-11-26 12:02:13,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 344 transitions, 752 flow [2023-11-26 12:02:13,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 344 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:13,636 INFO L231 Difference]: Finished difference. Result has 344 places, 344 transitions, 700 flow [2023-11-26 12:02:13,637 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=344, PETRI_TRANSITIONS=344} [2023-11-26 12:02:13,638 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -95 predicate places. [2023-11-26 12:02:13,639 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 344 transitions, 700 flow [2023-11-26 12:02:13,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:13,640 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:13,640 INFO L208 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] [2023-11-26 12:02:13,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:02:13,641 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:13,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:13,642 INFO L85 PathProgramCache]: Analyzing trace with hash -322177251, now seen corresponding path program 1 times [2023-11-26 12:02:13,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:13,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457113138] [2023-11-26 12:02:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:13,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:13,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:13,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:13,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457113138] [2023-11-26 12:02:13,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457113138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:13,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:13,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:13,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127478086] [2023-11-26 12:02:13,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:13,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:13,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:13,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:13,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:13,784 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 476 [2023-11-26 12:02:13,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 344 transitions, 700 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:13,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:13,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 476 [2023-11-26 12:02:13,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:14,196 INFO L124 PetriNetUnfolderBase]: 451/1255 cut-off events. [2023-11-26 12:02:14,197 INFO L125 PetriNetUnfolderBase]: For 40/147 co-relation queries the response was YES. [2023-11-26 12:02:14,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1914 conditions, 1255 events. 451/1255 cut-off events. For 40/147 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 5500 event pairs, 272 based on Foata normal form. 0/1117 useless extension candidates. Maximal degree in co-relation 1859. Up to 613 conditions per place. [2023-11-26 12:02:14,210 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 24 selfloop transitions, 2 changer transitions 0/343 dead transitions. [2023-11-26 12:02:14,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 343 transitions, 750 flow [2023-11-26 12:02:14,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1086 transitions. [2023-11-26 12:02:14,215 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2023-11-26 12:02:14,215 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1086 transitions. [2023-11-26 12:02:14,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1086 transitions. [2023-11-26 12:02:14,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:14,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1086 transitions. [2023-11-26 12:02:14,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:14,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:14,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:14,227 INFO L175 Difference]: Start difference. First operand has 344 places, 344 transitions, 700 flow. Second operand 3 states and 1086 transitions. [2023-11-26 12:02:14,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 343 transitions, 750 flow [2023-11-26 12:02:14,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 343 transitions, 746 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:14,236 INFO L231 Difference]: Finished difference. Result has 343 places, 343 transitions, 698 flow [2023-11-26 12:02:14,237 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=698, PETRI_PLACES=343, PETRI_TRANSITIONS=343} [2023-11-26 12:02:14,238 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -96 predicate places. [2023-11-26 12:02:14,238 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 343 transitions, 698 flow [2023-11-26 12:02:14,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:14,239 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:14,239 INFO L208 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] [2023-11-26 12:02:14,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:02:14,240 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:14,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:14,240 INFO L85 PathProgramCache]: Analyzing trace with hash 764868423, now seen corresponding path program 1 times [2023-11-26 12:02:14,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:14,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14139377] [2023-11-26 12:02:14,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:14,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:14,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:14,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14139377] [2023-11-26 12:02:14,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14139377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:14,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:14,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:14,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014023124] [2023-11-26 12:02:14,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:14,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:14,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:14,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:14,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:14,300 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 476 [2023-11-26 12:02:14,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 343 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:14,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:14,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 476 [2023-11-26 12:02:14,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:14,931 INFO L124 PetriNetUnfolderBase]: 595/1823 cut-off events. [2023-11-26 12:02:14,931 INFO L125 PetriNetUnfolderBase]: For 57/143 co-relation queries the response was YES. [2023-11-26 12:02:14,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2684 conditions, 1823 events. 595/1823 cut-off events. For 57/143 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 10277 event pairs, 228 based on Foata normal form. 0/1605 useless extension candidates. Maximal degree in co-relation 2621. Up to 435 conditions per place. [2023-11-26 12:02:14,951 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 36 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2023-11-26 12:02:14,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 357 transitions, 807 flow [2023-11-26 12:02:14,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:14,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1110 transitions. [2023-11-26 12:02:14,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7773109243697479 [2023-11-26 12:02:14,955 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1110 transitions. [2023-11-26 12:02:14,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1110 transitions. [2023-11-26 12:02:14,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:14,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1110 transitions. [2023-11-26 12:02:14,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 370.0) internal successors, (1110), 3 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:14,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:14,966 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:14,966 INFO L175 Difference]: Start difference. First operand has 343 places, 343 transitions, 698 flow. Second operand 3 states and 1110 transitions. [2023-11-26 12:02:14,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 357 transitions, 807 flow [2023-11-26 12:02:14,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 357 transitions, 803 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:14,975 INFO L231 Difference]: Finished difference. Result has 343 places, 343 transitions, 702 flow [2023-11-26 12:02:14,976 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=343, PETRI_TRANSITIONS=343} [2023-11-26 12:02:14,979 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -96 predicate places. [2023-11-26 12:02:14,979 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 343 transitions, 702 flow [2023-11-26 12:02:14,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:14,980 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:14,981 INFO L208 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] [2023-11-26 12:02:14,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:02:14,982 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:14,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:14,983 INFO L85 PathProgramCache]: Analyzing trace with hash 324171339, now seen corresponding path program 1 times [2023-11-26 12:02:14,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:14,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530079644] [2023-11-26 12:02:14,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:14,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:15,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:15,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530079644] [2023-11-26 12:02:15,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530079644] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:15,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:15,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:15,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246368692] [2023-11-26 12:02:15,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:15,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:15,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:15,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:15,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:15,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-26 12:02:15,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 343 transitions, 702 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:15,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:15,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-26 12:02:15,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:15,634 INFO L124 PetriNetUnfolderBase]: 595/1668 cut-off events. [2023-11-26 12:02:15,634 INFO L125 PetriNetUnfolderBase]: For 153/273 co-relation queries the response was YES. [2023-11-26 12:02:15,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2675 conditions, 1668 events. 595/1668 cut-off events. For 153/273 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 8819 event pairs, 375 based on Foata normal form. 0/1476 useless extension candidates. Maximal degree in co-relation 1348. Up to 808 conditions per place. [2023-11-26 12:02:15,653 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 24 selfloop transitions, 2 changer transitions 0/342 dead transitions. [2023-11-26 12:02:15,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 342 transitions, 752 flow [2023-11-26 12:02:15,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-26 12:02:15,657 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-26 12:02:15,658 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-26 12:02:15,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-26 12:02:15,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:15,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-26 12:02:15,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:15,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:15,669 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:15,669 INFO L175 Difference]: Start difference. First operand has 343 places, 343 transitions, 702 flow. Second operand 3 states and 1088 transitions. [2023-11-26 12:02:15,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 342 transitions, 752 flow [2023-11-26 12:02:15,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 342 transitions, 750 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:15,678 INFO L231 Difference]: Finished difference. Result has 343 places, 342 transitions, 702 flow [2023-11-26 12:02:15,679 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=343, PETRI_TRANSITIONS=342} [2023-11-26 12:02:15,680 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -96 predicate places. [2023-11-26 12:02:15,680 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 342 transitions, 702 flow [2023-11-26 12:02:15,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:15,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:15,681 INFO L208 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] [2023-11-26 12:02:15,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:02:15,682 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:15,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:15,682 INFO L85 PathProgramCache]: Analyzing trace with hash 617110432, now seen corresponding path program 1 times [2023-11-26 12:02:15,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:15,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494753747] [2023-11-26 12:02:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:15,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:15,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:15,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:15,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494753747] [2023-11-26 12:02:15,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494753747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:15,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:15,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:15,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257350761] [2023-11-26 12:02:15,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:15,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:15,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:15,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:15,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:15,746 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 476 [2023-11-26 12:02:15,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 342 transitions, 702 flow. Second operand has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:15,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:15,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 476 [2023-11-26 12:02:15,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:16,358 INFO L124 PetriNetUnfolderBase]: 595/1667 cut-off events. [2023-11-26 12:02:16,358 INFO L125 PetriNetUnfolderBase]: For 152/272 co-relation queries the response was YES. [2023-11-26 12:02:16,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2629 conditions, 1667 events. 595/1667 cut-off events. For 152/272 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 8836 event pairs, 375 based on Foata normal form. 0/1476 useless extension candidates. Maximal degree in co-relation 2557. Up to 809 conditions per place. [2023-11-26 12:02:16,377 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 25 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2023-11-26 12:02:16,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 341 transitions, 754 flow [2023-11-26 12:02:16,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1086 transitions. [2023-11-26 12:02:16,383 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2023-11-26 12:02:16,383 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1086 transitions. [2023-11-26 12:02:16,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1086 transitions. [2023-11-26 12:02:16,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:16,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1086 transitions. [2023-11-26 12:02:16,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:16,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:16,396 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:16,396 INFO L175 Difference]: Start difference. First operand has 343 places, 342 transitions, 702 flow. Second operand 3 states and 1086 transitions. [2023-11-26 12:02:16,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 341 transitions, 754 flow [2023-11-26 12:02:16,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 341 transitions, 750 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:16,407 INFO L231 Difference]: Finished difference. Result has 342 places, 341 transitions, 700 flow [2023-11-26 12:02:16,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=696, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=342, PETRI_TRANSITIONS=341} [2023-11-26 12:02:16,408 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -97 predicate places. [2023-11-26 12:02:16,409 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 341 transitions, 700 flow [2023-11-26 12:02:16,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.3333333333333) internal successors, (1063), 3 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:16,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:16,410 INFO L208 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] [2023-11-26 12:02:16,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 12:02:16,411 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:16,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:16,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1875235280, now seen corresponding path program 1 times [2023-11-26 12:02:16,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:16,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682071982] [2023-11-26 12:02:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:16,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:16,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:16,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682071982] [2023-11-26 12:02:16,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682071982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:16,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:16,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:16,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433921020] [2023-11-26 12:02:16,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:16,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:16,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:16,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:16,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:16,480 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 476 [2023-11-26 12:02:16,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 341 transitions, 700 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:16,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:16,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 476 [2023-11-26 12:02:16,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:17,167 INFO L124 PetriNetUnfolderBase]: 749/1942 cut-off events. [2023-11-26 12:02:17,167 INFO L125 PetriNetUnfolderBase]: For 199/336 co-relation queries the response was YES. [2023-11-26 12:02:17,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3137 conditions, 1942 events. 749/1942 cut-off events. For 199/336 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 10666 event pairs, 262 based on Foata normal form. 0/1731 useless extension candidates. Maximal degree in co-relation 3057. Up to 544 conditions per place. [2023-11-26 12:02:17,188 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 37 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2023-11-26 12:02:17,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 355 transitions, 814 flow [2023-11-26 12:02:17,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:17,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1109 transitions. [2023-11-26 12:02:17,192 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7766106442577031 [2023-11-26 12:02:17,192 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1109 transitions. [2023-11-26 12:02:17,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1109 transitions. [2023-11-26 12:02:17,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:17,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1109 transitions. [2023-11-26 12:02:17,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 369.6666666666667) internal successors, (1109), 3 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:17,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:17,203 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:17,203 INFO L175 Difference]: Start difference. First operand has 342 places, 341 transitions, 700 flow. Second operand 3 states and 1109 transitions. [2023-11-26 12:02:17,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 355 transitions, 814 flow [2023-11-26 12:02:17,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 355 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:17,212 INFO L231 Difference]: Finished difference. Result has 342 places, 341 transitions, 704 flow [2023-11-26 12:02:17,213 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=342, PETRI_TRANSITIONS=341} [2023-11-26 12:02:17,213 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -97 predicate places. [2023-11-26 12:02:17,214 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 341 transitions, 704 flow [2023-11-26 12:02:17,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:17,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:17,215 INFO L208 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] [2023-11-26 12:02:17,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 12:02:17,215 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:17,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:17,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1911406734, now seen corresponding path program 1 times [2023-11-26 12:02:17,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:17,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300563960] [2023-11-26 12:02:17,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:17,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:17,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:17,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300563960] [2023-11-26 12:02:17,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300563960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:17,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:17,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:17,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076303033] [2023-11-26 12:02:17,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:17,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:17,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:17,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:17,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:17,273 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-26 12:02:17,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 341 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:17,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:17,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-26 12:02:17,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:17,918 INFO L124 PetriNetUnfolderBase]: 749/2097 cut-off events. [2023-11-26 12:02:17,918 INFO L125 PetriNetUnfolderBase]: For 307/446 co-relation queries the response was YES. [2023-11-26 12:02:17,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3456 conditions, 2097 events. 749/2097 cut-off events. For 307/446 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12549 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 1839. Up to 1018 conditions per place. [2023-11-26 12:02:17,940 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 25 selfloop transitions, 2 changer transitions 0/340 dead transitions. [2023-11-26 12:02:17,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 340 transitions, 756 flow [2023-11-26 12:02:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-26 12:02:17,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-26 12:02:17,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-26 12:02:17,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-26 12:02:17,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:17,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-26 12:02:17,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:17,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:17,955 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:17,955 INFO L175 Difference]: Start difference. First operand has 342 places, 341 transitions, 704 flow. Second operand 3 states and 1088 transitions. [2023-11-26 12:02:17,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 340 transitions, 756 flow [2023-11-26 12:02:17,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 340 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:17,964 INFO L231 Difference]: Finished difference. Result has 342 places, 340 transitions, 704 flow [2023-11-26 12:02:17,965 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=342, PETRI_TRANSITIONS=340} [2023-11-26 12:02:17,966 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -97 predicate places. [2023-11-26 12:02:17,966 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 340 transitions, 704 flow [2023-11-26 12:02:17,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:17,967 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:17,967 INFO L208 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] [2023-11-26 12:02:17,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 12:02:17,967 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:17,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:17,968 INFO L85 PathProgramCache]: Analyzing trace with hash 43780869, now seen corresponding path program 1 times [2023-11-26 12:02:17,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:17,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471212992] [2023-11-26 12:02:17,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:17,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:18,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:18,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471212992] [2023-11-26 12:02:18,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471212992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:18,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:18,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:18,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626582485] [2023-11-26 12:02:18,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:18,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:18,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:18,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:18,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:18,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 476 [2023-11-26 12:02:18,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 340 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:18,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:18,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 476 [2023-11-26 12:02:18,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:18,631 INFO L124 PetriNetUnfolderBase]: 749/2096 cut-off events. [2023-11-26 12:02:18,631 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-26 12:02:18,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3401 conditions, 2096 events. 749/2096 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12546 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3312. Up to 1016 conditions per place. [2023-11-26 12:02:18,655 INFO L140 encePairwiseOnDemand]: 474/476 looper letters, 24 selfloop transitions, 1 changer transitions 0/339 dead transitions. [2023-11-26 12:02:18,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 339 transitions, 752 flow [2023-11-26 12:02:18,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:18,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1095 transitions. [2023-11-26 12:02:18,660 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7668067226890757 [2023-11-26 12:02:18,660 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1095 transitions. [2023-11-26 12:02:18,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1095 transitions. [2023-11-26 12:02:18,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:18,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1095 transitions. [2023-11-26 12:02:18,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:18,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:18,670 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:18,671 INFO L175 Difference]: Start difference. First operand has 342 places, 340 transitions, 704 flow. Second operand 3 states and 1095 transitions. [2023-11-26 12:02:18,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 339 transitions, 752 flow [2023-11-26 12:02:18,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 339 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:18,680 INFO L231 Difference]: Finished difference. Result has 341 places, 339 transitions, 700 flow [2023-11-26 12:02:18,681 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=341, PETRI_TRANSITIONS=339} [2023-11-26 12:02:18,682 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -98 predicate places. [2023-11-26 12:02:18,682 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 339 transitions, 700 flow [2023-11-26 12:02:18,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:18,684 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:18,684 INFO L208 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] [2023-11-26 12:02:18,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 12:02:18,684 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:18,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:18,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1765821374, now seen corresponding path program 1 times [2023-11-26 12:02:18,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:18,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000393966] [2023-11-26 12:02:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:18,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:19,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:19,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000393966] [2023-11-26 12:02:19,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000393966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:19,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:19,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:19,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714030879] [2023-11-26 12:02:19,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:19,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:02:19,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:19,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:19,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:19,788 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 476 [2023-11-26 12:02:19,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 339 transitions, 700 flow. Second operand has 6 states, 6 states have (on average 304.5) internal successors, (1827), 6 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:19,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:19,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 476 [2023-11-26 12:02:19,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:22,282 INFO L124 PetriNetUnfolderBase]: 3789/6811 cut-off events. [2023-11-26 12:02:22,282 INFO L125 PetriNetUnfolderBase]: For 1154/1154 co-relation queries the response was YES. [2023-11-26 12:02:22,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12903 conditions, 6811 events. 3789/6811 cut-off events. For 1154/1154 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 42389 event pairs, 2656 based on Foata normal form. 0/6305 useless extension candidates. Maximal degree in co-relation 12815. Up to 4943 conditions per place. [2023-11-26 12:02:22,343 INFO L140 encePairwiseOnDemand]: 458/476 looper letters, 62 selfloop transitions, 15 changer transitions 0/336 dead transitions. [2023-11-26 12:02:22,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 336 transitions, 848 flow [2023-11-26 12:02:22,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:02:22,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1896 transitions. [2023-11-26 12:02:22,350 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6638655462184874 [2023-11-26 12:02:22,350 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1896 transitions. [2023-11-26 12:02:22,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1896 transitions. [2023-11-26 12:02:22,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:22,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1896 transitions. [2023-11-26 12:02:22,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:22,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:22,365 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:22,366 INFO L175 Difference]: Start difference. First operand has 341 places, 339 transitions, 700 flow. Second operand 6 states and 1896 transitions. [2023-11-26 12:02:22,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 336 transitions, 848 flow [2023-11-26 12:02:22,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 336 transitions, 847 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:22,375 INFO L231 Difference]: Finished difference. Result has 342 places, 336 transitions, 723 flow [2023-11-26 12:02:22,376 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=723, PETRI_PLACES=342, PETRI_TRANSITIONS=336} [2023-11-26 12:02:22,376 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -97 predicate places. [2023-11-26 12:02:22,377 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 336 transitions, 723 flow [2023-11-26 12:02:22,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 304.5) internal successors, (1827), 6 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:22,377 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:22,378 INFO L208 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] [2023-11-26 12:02:22,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 12:02:22,378 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:22,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:22,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1652046895, now seen corresponding path program 1 times [2023-11-26 12:02:22,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:22,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569092156] [2023-11-26 12:02:22,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:22,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:22,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:22,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569092156] [2023-11-26 12:02:22,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569092156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:22,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:22,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:22,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190973875] [2023-11-26 12:02:22,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:22,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:22,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:22,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:22,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:22,443 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-26 12:02:22,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 336 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:22,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:22,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-26 12:02:22,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:23,071 INFO L124 PetriNetUnfolderBase]: 749/2092 cut-off events. [2023-11-26 12:02:23,072 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-26 12:02:23,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3413 conditions, 2092 events. 749/2092 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12554 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3363. Up to 1018 conditions per place. [2023-11-26 12:02:23,094 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 25 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2023-11-26 12:02:23,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 335 transitions, 775 flow [2023-11-26 12:02:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-26 12:02:23,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-26 12:02:23,098 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-26 12:02:23,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-26 12:02:23,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:23,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-26 12:02:23,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:23,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:23,107 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:23,107 INFO L175 Difference]: Start difference. First operand has 342 places, 336 transitions, 723 flow. Second operand 3 states and 1088 transitions. [2023-11-26 12:02:23,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 335 transitions, 775 flow [2023-11-26 12:02:23,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 335 transitions, 745 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 12:02:23,118 INFO L231 Difference]: Finished difference. Result has 338 places, 335 transitions, 695 flow [2023-11-26 12:02:23,119 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=691, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=695, PETRI_PLACES=338, PETRI_TRANSITIONS=335} [2023-11-26 12:02:23,120 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -101 predicate places. [2023-11-26 12:02:23,121 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 335 transitions, 695 flow [2023-11-26 12:02:23,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:23,122 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:23,122 INFO L208 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] [2023-11-26 12:02:23,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 12:02:23,122 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:23,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:23,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1161508258, now seen corresponding path program 1 times [2023-11-26 12:02:23,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:23,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174879071] [2023-11-26 12:02:23,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:23,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:23,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174879071] [2023-11-26 12:02:23,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174879071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:23,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:23,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:23,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811613429] [2023-11-26 12:02:23,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:23,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:23,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:23,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:23,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:23,255 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 476 [2023-11-26 12:02:23,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 335 transitions, 695 flow. Second operand has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:23,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:23,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 476 [2023-11-26 12:02:23,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:23,831 INFO L124 PetriNetUnfolderBase]: 749/2091 cut-off events. [2023-11-26 12:02:23,832 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-26 12:02:23,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3397 conditions, 2091 events. 749/2091 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12532 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3308. Up to 1016 conditions per place. [2023-11-26 12:02:23,855 INFO L140 encePairwiseOnDemand]: 474/476 looper letters, 24 selfloop transitions, 1 changer transitions 0/334 dead transitions. [2023-11-26 12:02:23,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 334 transitions, 743 flow [2023-11-26 12:02:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:23,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1095 transitions. [2023-11-26 12:02:23,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7668067226890757 [2023-11-26 12:02:23,860 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1095 transitions. [2023-11-26 12:02:23,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1095 transitions. [2023-11-26 12:02:23,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:23,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1095 transitions. [2023-11-26 12:02:23,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:23,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:23,871 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:23,871 INFO L175 Difference]: Start difference. First operand has 338 places, 335 transitions, 695 flow. Second operand 3 states and 1095 transitions. [2023-11-26 12:02:23,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 334 transitions, 743 flow [2023-11-26 12:02:23,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 334 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:23,880 INFO L231 Difference]: Finished difference. Result has 337 places, 334 transitions, 691 flow [2023-11-26 12:02:23,881 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=691, PETRI_PLACES=337, PETRI_TRANSITIONS=334} [2023-11-26 12:02:23,882 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-26 12:02:23,882 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 334 transitions, 691 flow [2023-11-26 12:02:23,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:23,883 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:23,883 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:23,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 12:02:23,884 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:23,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:23,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1974261894, now seen corresponding path program 1 times [2023-11-26 12:02:23,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:23,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394238615] [2023-11-26 12:02:23,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:23,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:23,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:23,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394238615] [2023-11-26 12:02:23,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394238615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:23,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:23,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:23,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683228298] [2023-11-26 12:02:23,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:23,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:23,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:23,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:23,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:23,968 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-26 12:02:23,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 334 transitions, 691 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:23,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:23,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-26 12:02:23,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:24,711 INFO L124 PetriNetUnfolderBase]: 749/2090 cut-off events. [2023-11-26 12:02:24,711 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-26 12:02:24,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3397 conditions, 2090 events. 749/2090 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12524 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3308. Up to 1018 conditions per place. [2023-11-26 12:02:24,739 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 25 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2023-11-26 12:02:24,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 333 transitions, 743 flow [2023-11-26 12:02:24,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-26 12:02:24,745 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-26 12:02:24,745 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-26 12:02:24,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-26 12:02:24,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:24,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-26 12:02:24,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:24,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:24,757 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:24,757 INFO L175 Difference]: Start difference. First operand has 337 places, 334 transitions, 691 flow. Second operand 3 states and 1088 transitions. [2023-11-26 12:02:24,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 333 transitions, 743 flow [2023-11-26 12:02:24,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 333 transitions, 742 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:24,770 INFO L231 Difference]: Finished difference. Result has 337 places, 333 transitions, 692 flow [2023-11-26 12:02:24,771 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=337, PETRI_TRANSITIONS=333} [2023-11-26 12:02:24,772 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-26 12:02:24,773 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 333 transitions, 692 flow [2023-11-26 12:02:24,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:24,774 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:24,774 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:24,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 12:02:24,774 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:24,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:24,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1355634316, now seen corresponding path program 1 times [2023-11-26 12:02:24,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:24,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947936421] [2023-11-26 12:02:24,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:24,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:24,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:24,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947936421] [2023-11-26 12:02:24,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947936421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:24,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:24,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:24,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049224969] [2023-11-26 12:02:24,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:24,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:24,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:24,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:24,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:24,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-26 12:02:24,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 333 transitions, 692 flow. Second operand has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:24,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:24,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-26 12:02:24,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:25,650 INFO L124 PetriNetUnfolderBase]: 749/2088 cut-off events. [2023-11-26 12:02:25,651 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-26 12:02:25,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3397 conditions, 2088 events. 749/2088 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12544 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3308. Up to 1018 conditions per place. [2023-11-26 12:02:25,674 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 26 selfloop transitions, 1 changer transitions 0/331 dead transitions. [2023-11-26 12:02:25,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 331 transitions, 742 flow [2023-11-26 12:02:25,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:25,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:25,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1089 transitions. [2023-11-26 12:02:25,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7626050420168067 [2023-11-26 12:02:25,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1089 transitions. [2023-11-26 12:02:25,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1089 transitions. [2023-11-26 12:02:25,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:25,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1089 transitions. [2023-11-26 12:02:25,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 363.0) internal successors, (1089), 3 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:25,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:25,691 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:25,692 INFO L175 Difference]: Start difference. First operand has 337 places, 333 transitions, 692 flow. Second operand 3 states and 1089 transitions. [2023-11-26 12:02:25,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 331 transitions, 742 flow [2023-11-26 12:02:25,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 331 transitions, 738 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:25,703 INFO L231 Difference]: Finished difference. Result has 335 places, 331 transitions, 686 flow [2023-11-26 12:02:25,704 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=686, PETRI_PLACES=335, PETRI_TRANSITIONS=331} [2023-11-26 12:02:25,704 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -104 predicate places. [2023-11-26 12:02:25,705 INFO L495 AbstractCegarLoop]: Abstraction has has 335 places, 331 transitions, 686 flow [2023-11-26 12:02:25,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:25,705 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:25,706 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:25,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 12:02:25,706 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:25,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:25,707 INFO L85 PathProgramCache]: Analyzing trace with hash -450698239, now seen corresponding path program 1 times [2023-11-26 12:02:25,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:25,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267898200] [2023-11-26 12:02:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:25,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:25,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267898200] [2023-11-26 12:02:25,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267898200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:25,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:25,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:25,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452392116] [2023-11-26 12:02:25,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:25,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:25,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:25,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:25,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:25,839 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 476 [2023-11-26 12:02:25,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 331 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:25,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:25,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 476 [2023-11-26 12:02:25,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:26,422 INFO L124 PetriNetUnfolderBase]: 749/2087 cut-off events. [2023-11-26 12:02:26,423 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-26 12:02:26,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3395 conditions, 2087 events. 749/2087 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12480 event pairs, 488 based on Foata normal form. 0/1848 useless extension candidates. Maximal degree in co-relation 3306. Up to 1018 conditions per place. [2023-11-26 12:02:26,443 INFO L140 encePairwiseOnDemand]: 473/476 looper letters, 25 selfloop transitions, 2 changer transitions 0/330 dead transitions. [2023-11-26 12:02:26,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 330 transitions, 738 flow [2023-11-26 12:02:26,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:26,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1088 transitions. [2023-11-26 12:02:26,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2023-11-26 12:02:26,448 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1088 transitions. [2023-11-26 12:02:26,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1088 transitions. [2023-11-26 12:02:26,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:26,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1088 transitions. [2023-11-26 12:02:26,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:26,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:26,456 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:26,457 INFO L175 Difference]: Start difference. First operand has 335 places, 331 transitions, 686 flow. Second operand 3 states and 1088 transitions. [2023-11-26 12:02:26,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 330 transitions, 738 flow [2023-11-26 12:02:26,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 330 transitions, 737 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:02:26,466 INFO L231 Difference]: Finished difference. Result has 335 places, 330 transitions, 687 flow [2023-11-26 12:02:26,466 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=687, PETRI_PLACES=335, PETRI_TRANSITIONS=330} [2023-11-26 12:02:26,467 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -104 predicate places. [2023-11-26 12:02:26,467 INFO L495 AbstractCegarLoop]: Abstraction has has 335 places, 330 transitions, 687 flow [2023-11-26 12:02:26,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.3333333333333) internal successors, (1066), 3 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:26,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:26,468 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:26,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 12:02:26,469 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:26,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:26,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1334187948, now seen corresponding path program 1 times [2023-11-26 12:02:26,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:26,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019055170] [2023-11-26 12:02:26,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:26,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:27,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:27,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019055170] [2023-11-26 12:02:27,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019055170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:27,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:27,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:27,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603981604] [2023-11-26 12:02:27,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:27,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:02:27,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:27,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:27,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:27,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 476 [2023-11-26 12:02:27,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 330 transitions, 687 flow. Second operand has 6 states, 6 states have (on average 340.8333333333333) internal successors, (2045), 6 states have internal predecessors, (2045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:27,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:27,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 476 [2023-11-26 12:02:27,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:29,820 INFO L124 PetriNetUnfolderBase]: 3629/5981 cut-off events. [2023-11-26 12:02:29,820 INFO L125 PetriNetUnfolderBase]: For 978/978 co-relation queries the response was YES. [2023-11-26 12:02:29,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11620 conditions, 5981 events. 3629/5981 cut-off events. For 978/978 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 31051 event pairs, 354 based on Foata normal form. 0/5755 useless extension candidates. Maximal degree in co-relation 11530. Up to 1700 conditions per place. [2023-11-26 12:02:29,890 INFO L140 encePairwiseOnDemand]: 471/476 looper letters, 93 selfloop transitions, 4 changer transitions 0/385 dead transitions. [2023-11-26 12:02:29,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 385 transitions, 1023 flow [2023-11-26 12:02:29,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:02:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2122 transitions. [2023-11-26 12:02:29,897 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7429971988795518 [2023-11-26 12:02:29,898 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2122 transitions. [2023-11-26 12:02:29,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2122 transitions. [2023-11-26 12:02:29,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:29,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2122 transitions. [2023-11-26 12:02:29,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 353.6666666666667) internal successors, (2122), 6 states have internal predecessors, (2122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:29,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:29,913 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:29,914 INFO L175 Difference]: Start difference. First operand has 335 places, 330 transitions, 687 flow. Second operand 6 states and 2122 transitions. [2023-11-26 12:02:29,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 385 transitions, 1023 flow [2023-11-26 12:02:29,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 385 transitions, 1019 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:02:29,923 INFO L231 Difference]: Finished difference. Result has 337 places, 329 transitions, 689 flow [2023-11-26 12:02:29,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=689, PETRI_PLACES=337, PETRI_TRANSITIONS=329} [2023-11-26 12:02:29,925 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-26 12:02:29,925 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 329 transitions, 689 flow [2023-11-26 12:02:29,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 340.8333333333333) internal successors, (2045), 6 states have internal predecessors, (2045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:29,926 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:29,926 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:29,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 12:02:29,927 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:29,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:29,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1140703, now seen corresponding path program 1 times [2023-11-26 12:02:29,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:29,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5133908] [2023-11-26 12:02:29,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:29,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:31,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:31,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5133908] [2023-11-26 12:02:31,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5133908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:31,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:31,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:31,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498824590] [2023-11-26 12:02:31,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:31,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:02:31,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:31,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:31,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:31,390 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 476 [2023-11-26 12:02:31,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 329 transitions, 689 flow. Second operand has 6 states, 6 states have (on average 341.1666666666667) internal successors, (2047), 6 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:31,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:31,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 476 [2023-11-26 12:02:31,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:32,717 INFO L124 PetriNetUnfolderBase]: 1469/3100 cut-off events. [2023-11-26 12:02:32,717 INFO L125 PetriNetUnfolderBase]: For 530/631 co-relation queries the response was YES. [2023-11-26 12:02:32,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5621 conditions, 3100 events. 1469/3100 cut-off events. For 530/631 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 17004 event pairs, 458 based on Foata normal form. 0/2869 useless extension candidates. Maximal degree in co-relation 5531. Up to 961 conditions per place. [2023-11-26 12:02:32,746 INFO L140 encePairwiseOnDemand]: 471/476 looper letters, 81 selfloop transitions, 4 changer transitions 0/372 dead transitions. [2023-11-26 12:02:32,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 372 transitions, 977 flow [2023-11-26 12:02:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:32,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:02:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2110 transitions. [2023-11-26 12:02:32,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.738795518207283 [2023-11-26 12:02:32,755 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2110 transitions. [2023-11-26 12:02:32,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2110 transitions. [2023-11-26 12:02:32,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:32,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2110 transitions. [2023-11-26 12:02:32,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 351.6666666666667) internal successors, (2110), 6 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:32,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:32,770 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:32,770 INFO L175 Difference]: Start difference. First operand has 337 places, 329 transitions, 689 flow. Second operand 6 states and 2110 transitions. [2023-11-26 12:02:32,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 372 transitions, 977 flow [2023-11-26 12:02:32,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 372 transitions, 970 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:02:32,780 INFO L231 Difference]: Finished difference. Result has 337 places, 328 transitions, 688 flow [2023-11-26 12:02:32,781 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=680, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=688, PETRI_PLACES=337, PETRI_TRANSITIONS=328} [2023-11-26 12:02:32,782 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-26 12:02:32,782 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 328 transitions, 688 flow [2023-11-26 12:02:32,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 341.1666666666667) internal successors, (2047), 6 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:32,783 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:32,783 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:32,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 12:02:32,784 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:32,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:32,784 INFO L85 PathProgramCache]: Analyzing trace with hash 497129142, now seen corresponding path program 1 times [2023-11-26 12:02:32,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:32,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835679340] [2023-11-26 12:02:32,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:32,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:33,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:33,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835679340] [2023-11-26 12:02:33,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835679340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:33,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:33,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:33,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39946153] [2023-11-26 12:02:33,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:33,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:02:33,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:33,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:33,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:34,295 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 476 [2023-11-26 12:02:34,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 328 transitions, 688 flow. Second operand has 6 states, 6 states have (on average 341.5) internal successors, (2049), 6 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:34,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:34,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 476 [2023-11-26 12:02:34,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:35,192 INFO L124 PetriNetUnfolderBase]: 909/2313 cut-off events. [2023-11-26 12:02:35,193 INFO L125 PetriNetUnfolderBase]: For 378/503 co-relation queries the response was YES. [2023-11-26 12:02:35,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3963 conditions, 2313 events. 909/2313 cut-off events. For 378/503 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 13408 event pairs, 482 based on Foata normal form. 0/2079 useless extension candidates. Maximal degree in co-relation 3873. Up to 1009 conditions per place. [2023-11-26 12:02:35,215 INFO L140 encePairwiseOnDemand]: 471/476 looper letters, 69 selfloop transitions, 4 changer transitions 0/359 dead transitions. [2023-11-26 12:02:35,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 359 transitions, 928 flow [2023-11-26 12:02:35,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:02:35,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2098 transitions. [2023-11-26 12:02:35,223 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7345938375350141 [2023-11-26 12:02:35,223 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2098 transitions. [2023-11-26 12:02:35,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2098 transitions. [2023-11-26 12:02:35,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:35,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2098 transitions. [2023-11-26 12:02:35,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 349.6666666666667) internal successors, (2098), 6 states have internal predecessors, (2098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:35,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:35,238 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:35,239 INFO L175 Difference]: Start difference. First operand has 337 places, 328 transitions, 688 flow. Second operand 6 states and 2098 transitions. [2023-11-26 12:02:35,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 359 transitions, 928 flow [2023-11-26 12:02:35,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 359 transitions, 921 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:02:35,249 INFO L231 Difference]: Finished difference. Result has 337 places, 327 transitions, 687 flow [2023-11-26 12:02:35,250 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=687, PETRI_PLACES=337, PETRI_TRANSITIONS=327} [2023-11-26 12:02:35,251 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-26 12:02:35,251 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 327 transitions, 687 flow [2023-11-26 12:02:35,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 341.5) internal successors, (2049), 6 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:35,252 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:35,252 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:35,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 12:02:35,253 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:35,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:35,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1713995910, now seen corresponding path program 1 times [2023-11-26 12:02:35,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:35,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614803435] [2023-11-26 12:02:35,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:35,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:36,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:36,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614803435] [2023-11-26 12:02:36,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614803435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:36,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:36,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:36,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011655189] [2023-11-26 12:02:36,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:36,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:02:36,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:36,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:36,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:36,737 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 476 [2023-11-26 12:02:36,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 327 transitions, 687 flow. Second operand has 6 states, 6 states have (on average 341.8333333333333) internal successors, (2051), 6 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:36,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:36,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 476 [2023-11-26 12:02:36,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:37,305 INFO L124 PetriNetUnfolderBase]: 789/2124 cut-off events. [2023-11-26 12:02:37,305 INFO L125 PetriNetUnfolderBase]: For 322/459 co-relation queries the response was YES. [2023-11-26 12:02:37,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3557 conditions, 2124 events. 789/2124 cut-off events. For 322/459 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12620 event pairs, 488 based on Foata normal form. 0/1896 useless extension candidates. Maximal degree in co-relation 3467. Up to 1025 conditions per place. [2023-11-26 12:02:37,319 INFO L140 encePairwiseOnDemand]: 471/476 looper letters, 53 selfloop transitions, 4 changer transitions 0/342 dead transitions. [2023-11-26 12:02:37,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 342 transitions, 847 flow [2023-11-26 12:02:37,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:02:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:02:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2086 transitions. [2023-11-26 12:02:37,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7303921568627451 [2023-11-26 12:02:37,337 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2086 transitions. [2023-11-26 12:02:37,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2086 transitions. [2023-11-26 12:02:37,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:37,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2086 transitions. [2023-11-26 12:02:37,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 347.6666666666667) internal successors, (2086), 6 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:37,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:37,351 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 476.0) internal successors, (3332), 7 states have internal predecessors, (3332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:37,352 INFO L175 Difference]: Start difference. First operand has 337 places, 327 transitions, 687 flow. Second operand 6 states and 2086 transitions. [2023-11-26 12:02:37,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 342 transitions, 847 flow [2023-11-26 12:02:37,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 342 transitions, 840 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:02:37,361 INFO L231 Difference]: Finished difference. Result has 337 places, 326 transitions, 686 flow [2023-11-26 12:02:37,361 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=686, PETRI_PLACES=337, PETRI_TRANSITIONS=326} [2023-11-26 12:02:37,362 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -102 predicate places. [2023-11-26 12:02:37,362 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 326 transitions, 686 flow [2023-11-26 12:02:37,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 341.8333333333333) internal successors, (2051), 6 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:37,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:37,363 INFO L208 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:37,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 12:02:37,364 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 182 more)] === [2023-11-26 12:02:37,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:37,364 INFO L85 PathProgramCache]: Analyzing trace with hash 198733243, now seen corresponding path program 1 times [2023-11-26 12:02:37,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:37,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068410354] [2023-11-26 12:02:37,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:37,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:37,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:37,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068410354] [2023-11-26 12:02:37,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068410354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:37,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:37,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:37,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953492844] [2023-11-26 12:02:37,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:37,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:37,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:37,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:37,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:37,485 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 358 out of 476 [2023-11-26 12:02:37,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 326 transitions, 686 flow. Second operand has 3 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:37,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:37,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 358 of 476 [2023-11-26 12:02:37,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:37,953 INFO L124 PetriNetUnfolderBase]: 749/2070 cut-off events. [2023-11-26 12:02:37,953 INFO L125 PetriNetUnfolderBase]: For 306/445 co-relation queries the response was YES. [2023-11-26 12:02:37,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3408 conditions, 2070 events. 749/2070 cut-off events. For 306/445 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12448 event pairs, 488 based on Foata normal form. 4/1848 useless extension candidates. Maximal degree in co-relation 3329. Up to 1015 conditions per place. [2023-11-26 12:02:37,960 INFO L140 encePairwiseOnDemand]: 474/476 looper letters, 0 selfloop transitions, 0 changer transitions 325/325 dead transitions. [2023-11-26 12:02:37,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 325 transitions, 730 flow [2023-11-26 12:02:37,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:37,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:02:37,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1096 transitions. [2023-11-26 12:02:37,965 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7675070028011205 [2023-11-26 12:02:37,965 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1096 transitions. [2023-11-26 12:02:37,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1096 transitions. [2023-11-26 12:02:37,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:37,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1096 transitions. [2023-11-26 12:02:37,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:37,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:37,971 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 476.0) internal successors, (1904), 4 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:37,971 INFO L175 Difference]: Start difference. First operand has 337 places, 326 transitions, 686 flow. Second operand 3 states and 1096 transitions. [2023-11-26 12:02:37,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 325 transitions, 730 flow [2023-11-26 12:02:37,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 325 transitions, 723 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:02:37,978 INFO L231 Difference]: Finished difference. Result has 334 places, 0 transitions, 0 flow [2023-11-26 12:02:37,978 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=476, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=334, PETRI_TRANSITIONS=0} [2023-11-26 12:02:37,979 INFO L281 CegarLoopForPetriNet]: 439 programPoint places, -105 predicate places. [2023-11-26 12:02:37,979 INFO L495 AbstractCegarLoop]: Abstraction has has 334 places, 0 transitions, 0 flow [2023-11-26 12:02:37,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.6666666666667) internal successors, (1088), 3 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:37,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (185 of 186 remaining) [2023-11-26 12:02:37,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (184 of 186 remaining) [2023-11-26 12:02:37,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (183 of 186 remaining) [2023-11-26 12:02:37,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (182 of 186 remaining) [2023-11-26 12:02:37,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (181 of 186 remaining) [2023-11-26 12:02:37,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (180 of 186 remaining) [2023-11-26 12:02:37,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (179 of 186 remaining) [2023-11-26 12:02:37,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (178 of 186 remaining) [2023-11-26 12:02:37,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (177 of 186 remaining) [2023-11-26 12:02:37,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (176 of 186 remaining) [2023-11-26 12:02:37,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (175 of 186 remaining) [2023-11-26 12:02:37,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (174 of 186 remaining) [2023-11-26 12:02:37,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (173 of 186 remaining) [2023-11-26 12:02:37,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (172 of 186 remaining) [2023-11-26 12:02:37,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (171 of 186 remaining) [2023-11-26 12:02:37,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (170 of 186 remaining) [2023-11-26 12:02:37,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (169 of 186 remaining) [2023-11-26 12:02:37,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (168 of 186 remaining) [2023-11-26 12:02:37,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (167 of 186 remaining) [2023-11-26 12:02:37,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (166 of 186 remaining) [2023-11-26 12:02:37,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (165 of 186 remaining) [2023-11-26 12:02:37,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (164 of 186 remaining) [2023-11-26 12:02:37,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (163 of 186 remaining) [2023-11-26 12:02:37,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (162 of 186 remaining) [2023-11-26 12:02:37,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (161 of 186 remaining) [2023-11-26 12:02:37,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (160 of 186 remaining) [2023-11-26 12:02:37,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (159 of 186 remaining) [2023-11-26 12:02:37,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (158 of 186 remaining) [2023-11-26 12:02:37,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (157 of 186 remaining) [2023-11-26 12:02:37,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (156 of 186 remaining) [2023-11-26 12:02:37,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (155 of 186 remaining) [2023-11-26 12:02:37,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (154 of 186 remaining) [2023-11-26 12:02:37,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (153 of 186 remaining) [2023-11-26 12:02:37,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (152 of 186 remaining) [2023-11-26 12:02:37,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (151 of 186 remaining) [2023-11-26 12:02:37,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (150 of 186 remaining) [2023-11-26 12:02:37,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (149 of 186 remaining) [2023-11-26 12:02:37,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (148 of 186 remaining) [2023-11-26 12:02:37,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (147 of 186 remaining) [2023-11-26 12:02:37,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (146 of 186 remaining) [2023-11-26 12:02:37,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (145 of 186 remaining) [2023-11-26 12:02:37,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (144 of 186 remaining) [2023-11-26 12:02:37,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (143 of 186 remaining) [2023-11-26 12:02:37,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (142 of 186 remaining) [2023-11-26 12:02:37,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (141 of 186 remaining) [2023-11-26 12:02:37,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (140 of 186 remaining) [2023-11-26 12:02:37,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (139 of 186 remaining) [2023-11-26 12:02:37,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (138 of 186 remaining) [2023-11-26 12:02:37,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (137 of 186 remaining) [2023-11-26 12:02:37,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (136 of 186 remaining) [2023-11-26 12:02:37,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (135 of 186 remaining) [2023-11-26 12:02:37,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (134 of 186 remaining) [2023-11-26 12:02:37,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (133 of 186 remaining) [2023-11-26 12:02:37,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (132 of 186 remaining) [2023-11-26 12:02:37,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (131 of 186 remaining) [2023-11-26 12:02:37,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (130 of 186 remaining) [2023-11-26 12:02:37,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (129 of 186 remaining) [2023-11-26 12:02:37,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (128 of 186 remaining) [2023-11-26 12:02:37,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (127 of 186 remaining) [2023-11-26 12:02:37,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (126 of 186 remaining) [2023-11-26 12:02:37,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (125 of 186 remaining) [2023-11-26 12:02:37,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (124 of 186 remaining) [2023-11-26 12:02:37,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (123 of 186 remaining) [2023-11-26 12:02:37,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (122 of 186 remaining) [2023-11-26 12:02:37,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (121 of 186 remaining) [2023-11-26 12:02:37,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (120 of 186 remaining) [2023-11-26 12:02:37,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (119 of 186 remaining) [2023-11-26 12:02:37,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (118 of 186 remaining) [2023-11-26 12:02:37,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (117 of 186 remaining) [2023-11-26 12:02:37,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (116 of 186 remaining) [2023-11-26 12:02:37,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (115 of 186 remaining) [2023-11-26 12:02:37,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (114 of 186 remaining) [2023-11-26 12:02:37,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (113 of 186 remaining) [2023-11-26 12:02:37,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (112 of 186 remaining) [2023-11-26 12:02:37,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (111 of 186 remaining) [2023-11-26 12:02:37,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (110 of 186 remaining) [2023-11-26 12:02:37,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (109 of 186 remaining) [2023-11-26 12:02:37,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (108 of 186 remaining) [2023-11-26 12:02:37,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (107 of 186 remaining) [2023-11-26 12:02:37,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (106 of 186 remaining) [2023-11-26 12:02:37,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (105 of 186 remaining) [2023-11-26 12:02:37,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (104 of 186 remaining) [2023-11-26 12:02:37,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (103 of 186 remaining) [2023-11-26 12:02:37,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (102 of 186 remaining) [2023-11-26 12:02:37,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (101 of 186 remaining) [2023-11-26 12:02:37,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 186 remaining) [2023-11-26 12:02:37,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (99 of 186 remaining) [2023-11-26 12:02:37,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (98 of 186 remaining) [2023-11-26 12:02:37,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (97 of 186 remaining) [2023-11-26 12:02:37,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (96 of 186 remaining) [2023-11-26 12:02:37,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (95 of 186 remaining) [2023-11-26 12:02:37,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (94 of 186 remaining) [2023-11-26 12:02:37,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (93 of 186 remaining) [2023-11-26 12:02:37,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (92 of 186 remaining) [2023-11-26 12:02:37,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (91 of 186 remaining) [2023-11-26 12:02:38,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (90 of 186 remaining) [2023-11-26 12:02:38,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (89 of 186 remaining) [2023-11-26 12:02:38,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (88 of 186 remaining) [2023-11-26 12:02:38,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (87 of 186 remaining) [2023-11-26 12:02:38,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (86 of 186 remaining) [2023-11-26 12:02:38,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (85 of 186 remaining) [2023-11-26 12:02:38,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (84 of 186 remaining) [2023-11-26 12:02:38,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (83 of 186 remaining) [2023-11-26 12:02:38,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (82 of 186 remaining) [2023-11-26 12:02:38,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (81 of 186 remaining) [2023-11-26 12:02:38,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (80 of 186 remaining) [2023-11-26 12:02:38,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (79 of 186 remaining) [2023-11-26 12:02:38,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 186 remaining) [2023-11-26 12:02:38,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 186 remaining) [2023-11-26 12:02:38,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 186 remaining) [2023-11-26 12:02:38,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 186 remaining) [2023-11-26 12:02:38,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 186 remaining) [2023-11-26 12:02:38,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 186 remaining) [2023-11-26 12:02:38,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 186 remaining) [2023-11-26 12:02:38,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 186 remaining) [2023-11-26 12:02:38,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 186 remaining) [2023-11-26 12:02:38,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (69 of 186 remaining) [2023-11-26 12:02:38,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (68 of 186 remaining) [2023-11-26 12:02:38,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (67 of 186 remaining) [2023-11-26 12:02:38,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (66 of 186 remaining) [2023-11-26 12:02:38,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (65 of 186 remaining) [2023-11-26 12:02:38,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (64 of 186 remaining) [2023-11-26 12:02:38,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (63 of 186 remaining) [2023-11-26 12:02:38,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (62 of 186 remaining) [2023-11-26 12:02:38,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (61 of 186 remaining) [2023-11-26 12:02:38,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 186 remaining) [2023-11-26 12:02:38,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 186 remaining) [2023-11-26 12:02:38,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 186 remaining) [2023-11-26 12:02:38,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 186 remaining) [2023-11-26 12:02:38,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 186 remaining) [2023-11-26 12:02:38,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 186 remaining) [2023-11-26 12:02:38,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 186 remaining) [2023-11-26 12:02:38,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 186 remaining) [2023-11-26 12:02:38,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 186 remaining) [2023-11-26 12:02:38,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 186 remaining) [2023-11-26 12:02:38,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 186 remaining) [2023-11-26 12:02:38,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 186 remaining) [2023-11-26 12:02:38,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 186 remaining) [2023-11-26 12:02:38,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 186 remaining) [2023-11-26 12:02:38,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (46 of 186 remaining) [2023-11-26 12:02:38,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (45 of 186 remaining) [2023-11-26 12:02:38,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (44 of 186 remaining) [2023-11-26 12:02:38,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (43 of 186 remaining) [2023-11-26 12:02:38,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (42 of 186 remaining) [2023-11-26 12:02:38,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (41 of 186 remaining) [2023-11-26 12:02:38,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (40 of 186 remaining) [2023-11-26 12:02:38,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 186 remaining) [2023-11-26 12:02:38,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 186 remaining) [2023-11-26 12:02:38,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 186 remaining) [2023-11-26 12:02:38,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 186 remaining) [2023-11-26 12:02:38,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 186 remaining) [2023-11-26 12:02:38,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 186 remaining) [2023-11-26 12:02:38,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 186 remaining) [2023-11-26 12:02:38,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 186 remaining) [2023-11-26 12:02:38,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 186 remaining) [2023-11-26 12:02:38,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 186 remaining) [2023-11-26 12:02:38,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 186 remaining) [2023-11-26 12:02:38,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 186 remaining) [2023-11-26 12:02:38,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 186 remaining) [2023-11-26 12:02:38,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 186 remaining) [2023-11-26 12:02:38,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 186 remaining) [2023-11-26 12:02:38,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 186 remaining) [2023-11-26 12:02:38,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 186 remaining) [2023-11-26 12:02:38,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 186 remaining) [2023-11-26 12:02:38,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 186 remaining) [2023-11-26 12:02:38,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 186 remaining) [2023-11-26 12:02:38,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 186 remaining) [2023-11-26 12:02:38,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 186 remaining) [2023-11-26 12:02:38,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 186 remaining) [2023-11-26 12:02:38,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 186 remaining) [2023-11-26 12:02:38,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 186 remaining) [2023-11-26 12:02:38,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 186 remaining) [2023-11-26 12:02:38,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 186 remaining) [2023-11-26 12:02:38,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 186 remaining) [2023-11-26 12:02:38,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 186 remaining) [2023-11-26 12:02:38,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 186 remaining) [2023-11-26 12:02:38,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 186 remaining) [2023-11-26 12:02:38,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 186 remaining) [2023-11-26 12:02:38,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 186 remaining) [2023-11-26 12:02:38,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 186 remaining) [2023-11-26 12:02:38,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 186 remaining) [2023-11-26 12:02:38,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 186 remaining) [2023-11-26 12:02:38,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 186 remaining) [2023-11-26 12:02:38,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 186 remaining) [2023-11-26 12:02:38,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 186 remaining) [2023-11-26 12:02:38,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 186 remaining) [2023-11-26 12:02:38,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 12:02:38,016 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:38,023 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 12:02:38,024 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:02:38,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:02:38 BasicIcfg [2023-11-26 12:02:38,030 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:02:38,031 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:02:38,031 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:02:38,031 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:02:38,032 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:10" (3/4) ... [2023-11-26 12:02:38,034 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:02:38,037 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 12:02:38,037 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 12:02:38,037 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 12:02:38,038 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-26 12:02:38,048 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-26 12:02:38,049 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 12:02:38,050 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 12:02:38,051 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:02:38,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:02:38,167 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:02:38,167 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:02:38,168 INFO L158 Benchmark]: Toolchain (without parser) took 31017.75ms. Allocated memory was 176.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 146.2MB in the beginning and 567.2MB in the end (delta: -421.0MB). Peak memory consumption was 854.6MB. Max. memory is 16.1GB. [2023-11-26 12:02:38,168 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 102.2MB in the end (delta: 86.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:02:38,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.49ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 134.3MB in the end (delta: 11.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-26 12:02:38,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.19ms. Allocated memory is still 176.2MB. Free memory was 134.3MB in the beginning and 129.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:02:38,169 INFO L158 Benchmark]: Boogie Preprocessor took 91.87ms. Allocated memory is still 176.2MB. Free memory was 129.6MB in the beginning and 125.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:02:38,170 INFO L158 Benchmark]: RCFGBuilder took 2601.96ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 144.5MB in the beginning and 106.9MB in the end (delta: 37.6MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2023-11-26 12:02:38,170 INFO L158 Benchmark]: TraceAbstraction took 27522.76ms. Allocated memory was 211.8MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 105.8MB in the beginning and 575.6MB in the end (delta: -469.7MB). Peak memory consumption was 771.8MB. Max. memory is 16.1GB. [2023-11-26 12:02:38,171 INFO L158 Benchmark]: Witness Printer took 136.13ms. Allocated memory is still 1.5GB. Free memory was 575.6MB in the beginning and 567.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 12:02:38,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory was 102.3MB in the beginning and 102.2MB in the end (delta: 86.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.49ms. Allocated memory is still 176.2MB. Free memory was 145.9MB in the beginning and 134.3MB in the end (delta: 11.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.19ms. Allocated memory is still 176.2MB. Free memory was 134.3MB in the beginning and 129.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.87ms. Allocated memory is still 176.2MB. Free memory was 129.6MB in the beginning and 125.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2601.96ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 144.5MB in the beginning and 106.9MB in the end (delta: 37.6MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. * TraceAbstraction took 27522.76ms. Allocated memory was 211.8MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 105.8MB in the beginning and 575.6MB in the end (delta: -469.7MB). Peak memory consumption was 771.8MB. Max. memory is 16.1GB. * Witness Printer took 136.13ms. Allocated memory is still 1.5GB. Free memory was 575.6MB in the beginning and 567.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 54]: 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: 54]: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 73]: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: 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: 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: 162]: 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: 162]: 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: 162]: 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: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: 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, 570 locations, 186 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: 27.3s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 963 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 561 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 329 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2704 IncrementalHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 329 mSolverCounterUnsat, 34 mSDtfsCounter, 2704 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=918occurred in iteration=0, InterpolantAutomatonStates: 78, 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, 5.8s InterpolantComputationTime, 2628 NumberOfCodeBlocks, 2628 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2607 ConstructedInterpolants, 0 QuantifiedInterpolants, 3078 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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 103 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 12:02:38,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a074e0b-9ad2-4a58-8f68-ed54fc5ff69e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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