./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/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_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/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_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/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 5b29ee6f81c7ed2984792cb48e45a380cefe6f3d0c807482de3b6756d33333e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:58:06,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:58:06,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:58:06,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:58:06,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:58:06,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:58:06,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:58:06,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:58:06,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:58:06,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:58:06,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:58:06,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:58:06,573 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:58:06,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:58:06,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:58:06,574 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:58:06,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:58:06,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:58:06,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:58:06,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:58:06,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:58:06,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:58:06,578 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:58:06,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:58:06,579 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:58:06,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:58:06,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:58:06,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:58:06,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:58:06,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:58:06,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:06,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:58:06,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:58:06,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:58:06,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:58:06,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:58:06,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:58:06,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:58:06,585 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:58:06,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:58:06,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:58:06,586 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_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b29ee6f81c7ed2984792cb48e45a380cefe6f3d0c807482de3b6756d33333e4 [2023-11-26 11:58:06,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:58:06,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:58:06,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:58:06,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:58:06,926 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:58:06,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2023-11-26 11:58:10,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:58:10,245 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:58:10,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2023-11-26 11:58:10,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/data/22c82609f/c64f48011dc3489aa0a05ca7b6b40973/FLAG1c6ed80c9 [2023-11-26 11:58:10,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/data/22c82609f/c64f48011dc3489aa0a05ca7b6b40973 [2023-11-26 11:58:10,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:58:10,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:58:10,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:10,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:58:10,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:58:10,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71bdb5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10, skipping insertion in model container [2023-11-26 11:58:10,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:58:10,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:10,544 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:58:10,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:10,606 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:58:10,606 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:58:10,614 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:58:10,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10 WrapperNode [2023-11-26 11:58:10,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:10,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:10,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:58:10,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:58:10,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,691 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 289 [2023-11-26 11:58:10,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:10,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:58:10,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:58:10,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:58:10,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:58:10,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:58:10,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:58:10,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:58:10,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (1/1) ... [2023-11-26 11:58:10,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:10,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:10,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:10,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:58:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:58:10,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 11:58:10,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 11:58:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 11:58:10,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 11:58:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:58:10,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:58:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:58:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:58:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:58:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:58:10,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:58:10,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:58:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:58:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:58:10,829 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 11:58:10,944 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:58:10,946 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:58:11,589 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:58:11,818 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:58:11,819 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 11:58:11,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:11 BoogieIcfgContainer [2023-11-26 11:58:11,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:58:11,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:58:11,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:58:11,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:58:11,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:58:10" (1/3) ... [2023-11-26 11:58:11,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41084a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:11, skipping insertion in model container [2023-11-26 11:58:11,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:10" (2/3) ... [2023-11-26 11:58:11,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41084a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:11, skipping insertion in model container [2023-11-26 11:58:11,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:11" (3/3) ... [2023-11-26 11:58:11,835 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c [2023-11-26 11:58:11,846 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:58:11,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:58:11,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2023-11-26 11:58:11,858 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:58:11,961 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 11:58:12,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 271 transitions, 556 flow [2023-11-26 11:58:12,212 INFO L124 PetriNetUnfolderBase]: 13/269 cut-off events. [2023-11-26 11:58:12,213 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:58:12,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 269 events. 13/269 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 436 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 188. Up to 2 conditions per place. [2023-11-26 11:58:12,224 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 271 transitions, 556 flow [2023-11-26 11:58:12,238 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 241 places, 245 transitions, 502 flow [2023-11-26 11:58:12,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:58:12,265 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;@6ef6fd6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:58:12,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2023-11-26 11:58:12,271 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:58:12,272 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-26 11:58:12,272 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:58:12,272 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:12,273 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] [2023-11-26 11:58:12,273 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:12,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:12,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1358692834, now seen corresponding path program 1 times [2023-11-26 11:58:12,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:12,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522995285] [2023-11-26 11:58:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:12,481 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 11:58:12,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:12,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522995285] [2023-11-26 11:58:12,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522995285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:12,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:12,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:12,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914947226] [2023-11-26 11:58:12,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:12,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:12,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:12,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:12,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:12,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 271 [2023-11-26 11:58:12,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 245 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 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 11:58:12,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:12,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 271 [2023-11-26 11:58:12,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:12,831 INFO L124 PetriNetUnfolderBase]: 63/641 cut-off events. [2023-11-26 11:58:12,832 INFO L125 PetriNetUnfolderBase]: For 30/36 co-relation queries the response was YES. [2023-11-26 11:58:12,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 641 events. 63/641 cut-off events. For 30/36 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2970 event pairs, 34 based on Foata normal form. 28/560 useless extension candidates. Maximal degree in co-relation 584. Up to 109 conditions per place. [2023-11-26 11:58:12,846 INFO L140 encePairwiseOnDemand]: 245/271 looper letters, 20 selfloop transitions, 2 changer transitions 2/221 dead transitions. [2023-11-26 11:58:12,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 221 transitions, 498 flow [2023-11-26 11:58:12,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 712 transitions. [2023-11-26 11:58:12,905 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8757687576875769 [2023-11-26 11:58:12,906 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 712 transitions. [2023-11-26 11:58:12,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 712 transitions. [2023-11-26 11:58:12,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:12,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 712 transitions. [2023-11-26 11:58:12,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.33333333333334) internal successors, (712), 3 states have internal predecessors, (712), 0 states have call successors, (0), 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 11:58:12,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:12,935 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:12,937 INFO L175 Difference]: Start difference. First operand has 241 places, 245 transitions, 502 flow. Second operand 3 states and 712 transitions. [2023-11-26 11:58:12,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 221 transitions, 498 flow [2023-11-26 11:58:12,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 221 transitions, 490 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:58:12,953 INFO L231 Difference]: Finished difference. Result has 221 places, 219 transitions, 446 flow [2023-11-26 11:58:12,955 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=446, PETRI_PLACES=221, PETRI_TRANSITIONS=219} [2023-11-26 11:58:12,961 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -20 predicate places. [2023-11-26 11:58:12,962 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 219 transitions, 446 flow [2023-11-26 11:58:12,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.33333333333334) internal successors, (670), 3 states have internal predecessors, (670), 0 states have call successors, (0), 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 11:58:12,963 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:12,963 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] [2023-11-26 11:58:12,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:58:12,964 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:12,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:12,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1938960804, now seen corresponding path program 1 times [2023-11-26 11:58:12,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:12,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700377120] [2023-11-26 11:58:12,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:12,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:13,085 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 11:58:13,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:13,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700377120] [2023-11-26 11:58:13,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700377120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:13,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:13,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:13,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585997511] [2023-11-26 11:58:13,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:13,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:13,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:13,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:13,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:13,125 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2023-11-26 11:58:13,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 219 transitions, 446 flow. Second operand has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 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 11:58:13,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:13,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2023-11-26 11:58:13,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:13,317 INFO L124 PetriNetUnfolderBase]: 91/683 cut-off events. [2023-11-26 11:58:13,317 INFO L125 PetriNetUnfolderBase]: For 8/15 co-relation queries the response was YES. [2023-11-26 11:58:13,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 683 events. 91/683 cut-off events. For 8/15 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3264 event pairs, 49 based on Foata normal form. 0/591 useless extension candidates. Maximal degree in co-relation 829. Up to 145 conditions per place. [2023-11-26 11:58:13,326 INFO L140 encePairwiseOnDemand]: 263/271 looper letters, 26 selfloop transitions, 3 changer transitions 0/220 dead transitions. [2023-11-26 11:58:13,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 220 transitions, 507 flow [2023-11-26 11:58:13,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:13,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:13,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2023-11-26 11:58:13,330 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8462484624846248 [2023-11-26 11:58:13,330 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 688 transitions. [2023-11-26 11:58:13,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 688 transitions. [2023-11-26 11:58:13,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:13,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 688 transitions. [2023-11-26 11:58:13,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 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 11:58:13,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:13,338 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:13,338 INFO L175 Difference]: Start difference. First operand has 221 places, 219 transitions, 446 flow. Second operand 3 states and 688 transitions. [2023-11-26 11:58:13,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 220 transitions, 507 flow [2023-11-26 11:58:13,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 220 transitions, 503 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:58:13,351 INFO L231 Difference]: Finished difference. Result has 214 places, 214 transitions, 438 flow [2023-11-26 11:58:13,351 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=214, PETRI_TRANSITIONS=214} [2023-11-26 11:58:13,353 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -27 predicate places. [2023-11-26 11:58:13,354 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 214 transitions, 438 flow [2023-11-26 11:58:13,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 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 11:58:13,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:13,359 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] [2023-11-26 11:58:13,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:58:13,360 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:13,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:13,361 INFO L85 PathProgramCache]: Analyzing trace with hash 391598892, now seen corresponding path program 1 times [2023-11-26 11:58:13,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:13,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069721387] [2023-11-26 11:58:13,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:13,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:13,433 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 11:58:13,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:13,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069721387] [2023-11-26 11:58:13,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069721387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:13,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:13,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:13,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892923782] [2023-11-26 11:58:13,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:13,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:13,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:13,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:13,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:13,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 271 [2023-11-26 11:58:13,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 214 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 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 11:58:13,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:13,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 271 [2023-11-26 11:58:13,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:13,598 INFO L124 PetriNetUnfolderBase]: 28/537 cut-off events. [2023-11-26 11:58:13,598 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2023-11-26 11:58:13,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 537 events. 28/537 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2184 event pairs, 9 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 461. Up to 43 conditions per place. [2023-11-26 11:58:13,604 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 14 selfloop transitions, 2 changer transitions 0/213 dead transitions. [2023-11-26 11:58:13,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 213 transitions, 468 flow [2023-11-26 11:58:13,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2023-11-26 11:58:13,608 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8622386223862238 [2023-11-26 11:58:13,608 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 701 transitions. [2023-11-26 11:58:13,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 701 transitions. [2023-11-26 11:58:13,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:13,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 701 transitions. [2023-11-26 11:58:13,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 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 11:58:13,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:13,616 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:13,616 INFO L175 Difference]: Start difference. First operand has 214 places, 214 transitions, 438 flow. Second operand 3 states and 701 transitions. [2023-11-26 11:58:13,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 213 transitions, 468 flow [2023-11-26 11:58:13,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 213 transitions, 462 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:58:13,623 INFO L231 Difference]: Finished difference. Result has 213 places, 213 transitions, 434 flow [2023-11-26 11:58:13,624 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=213, PETRI_TRANSITIONS=213} [2023-11-26 11:58:13,625 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -28 predicate places. [2023-11-26 11:58:13,625 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 213 transitions, 434 flow [2023-11-26 11:58:13,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 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 11:58:13,626 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:13,627 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] [2023-11-26 11:58:13,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:58:13,627 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:13,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:13,628 INFO L85 PathProgramCache]: Analyzing trace with hash -749545444, now seen corresponding path program 1 times [2023-11-26 11:58:13,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:13,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812716914] [2023-11-26 11:58:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:13,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:13,677 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 11:58:13,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:13,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812716914] [2023-11-26 11:58:13,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812716914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:13,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:13,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:13,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12028197] [2023-11-26 11:58:13,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:13,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:13,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:13,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:13,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:13,701 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2023-11-26 11:58:13,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 213 transitions, 434 flow. Second operand has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 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 11:58:13,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:13,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2023-11-26 11:58:13,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:13,840 INFO L124 PetriNetUnfolderBase]: 35/552 cut-off events. [2023-11-26 11:58:13,840 INFO L125 PetriNetUnfolderBase]: For 7/11 co-relation queries the response was YES. [2023-11-26 11:58:13,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 552 events. 35/552 cut-off events. For 7/11 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2325 event pairs, 14 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 582. Up to 57 conditions per place. [2023-11-26 11:58:13,846 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 16 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2023-11-26 11:58:13,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 212 transitions, 468 flow [2023-11-26 11:58:13,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:13,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 697 transitions. [2023-11-26 11:58:13,850 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8573185731857319 [2023-11-26 11:58:13,850 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 697 transitions. [2023-11-26 11:58:13,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 697 transitions. [2023-11-26 11:58:13,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:13,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 697 transitions. [2023-11-26 11:58:13,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 232.33333333333334) internal successors, (697), 3 states have internal predecessors, (697), 0 states have call successors, (0), 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 11:58:13,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:13,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:13,857 INFO L175 Difference]: Start difference. First operand has 213 places, 213 transitions, 434 flow. Second operand 3 states and 697 transitions. [2023-11-26 11:58:13,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 212 transitions, 468 flow [2023-11-26 11:58:13,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 212 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:58:13,865 INFO L231 Difference]: Finished difference. Result has 212 places, 212 transitions, 432 flow [2023-11-26 11:58:13,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=432, PETRI_PLACES=212, PETRI_TRANSITIONS=212} [2023-11-26 11:58:13,866 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -29 predicate places. [2023-11-26 11:58:13,866 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 212 transitions, 432 flow [2023-11-26 11:58:13,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 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 11:58:13,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:13,868 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] [2023-11-26 11:58:13,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:58:13,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:13,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:13,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1055027680, now seen corresponding path program 1 times [2023-11-26 11:58:13,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:13,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009660262] [2023-11-26 11:58:13,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:13,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:13,921 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 11:58:13,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:13,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009660262] [2023-11-26 11:58:13,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009660262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:13,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:13,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:13,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712627910] [2023-11-26 11:58:13,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:13,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:13,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:13,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:13,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:13,939 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 271 [2023-11-26 11:58:13,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 212 transitions, 432 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 0 states have call successors, (0), 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 11:58:13,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:13,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 271 [2023-11-26 11:58:13,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:14,058 INFO L124 PetriNetUnfolderBase]: 42/562 cut-off events. [2023-11-26 11:58:14,058 INFO L125 PetriNetUnfolderBase]: For 8/12 co-relation queries the response was YES. [2023-11-26 11:58:14,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 562 events. 42/562 cut-off events. For 8/12 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2404 event pairs, 19 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 595. Up to 67 conditions per place. [2023-11-26 11:58:14,067 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 15 selfloop transitions, 1 changer transitions 0/210 dead transitions. [2023-11-26 11:58:14,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 210 transitions, 460 flow [2023-11-26 11:58:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 702 transitions. [2023-11-26 11:58:14,071 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8634686346863468 [2023-11-26 11:58:14,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 702 transitions. [2023-11-26 11:58:14,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 702 transitions. [2023-11-26 11:58:14,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:14,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 702 transitions. [2023-11-26 11:58:14,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 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 11:58:14,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:14,079 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:14,079 INFO L175 Difference]: Start difference. First operand has 212 places, 212 transitions, 432 flow. Second operand 3 states and 702 transitions. [2023-11-26 11:58:14,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 210 transitions, 460 flow [2023-11-26 11:58:14,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 210 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:58:14,085 INFO L231 Difference]: Finished difference. Result has 210 places, 210 transitions, 426 flow [2023-11-26 11:58:14,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=210, PETRI_TRANSITIONS=210} [2023-11-26 11:58:14,089 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -31 predicate places. [2023-11-26 11:58:14,089 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 210 transitions, 426 flow [2023-11-26 11:58:14,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 0 states have call successors, (0), 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 11:58:14,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:14,091 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] [2023-11-26 11:58:14,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:58:14,092 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:14,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:14,093 INFO L85 PathProgramCache]: Analyzing trace with hash 692307482, now seen corresponding path program 1 times [2023-11-26 11:58:14,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:14,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018681964] [2023-11-26 11:58:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:14,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,194 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 11:58:14,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:14,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018681964] [2023-11-26 11:58:14,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018681964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:14,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:14,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:14,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54291295] [2023-11-26 11:58:14,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:14,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:14,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:14,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:14,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:14,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 271 [2023-11-26 11:58:14,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 210 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:14,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:14,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 271 [2023-11-26 11:58:14,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:14,338 INFO L124 PetriNetUnfolderBase]: 35/545 cut-off events. [2023-11-26 11:58:14,338 INFO L125 PetriNetUnfolderBase]: For 7/11 co-relation queries the response was YES. [2023-11-26 11:58:14,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 545 events. 35/545 cut-off events. For 7/11 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2267 event pairs, 14 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 565. Up to 56 conditions per place. [2023-11-26 11:58:14,344 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 15 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2023-11-26 11:58:14,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 209 transitions, 458 flow [2023-11-26 11:58:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:14,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 699 transitions. [2023-11-26 11:58:14,347 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8597785977859779 [2023-11-26 11:58:14,347 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 699 transitions. [2023-11-26 11:58:14,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 699 transitions. [2023-11-26 11:58:14,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:14,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 699 transitions. [2023-11-26 11:58:14,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 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 11:58:14,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:14,353 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:14,354 INFO L175 Difference]: Start difference. First operand has 210 places, 210 transitions, 426 flow. Second operand 3 states and 699 transitions. [2023-11-26 11:58:14,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 209 transitions, 458 flow [2023-11-26 11:58:14,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 209 transitions, 457 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:58:14,359 INFO L231 Difference]: Finished difference. Result has 210 places, 209 transitions, 427 flow [2023-11-26 11:58:14,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=427, PETRI_PLACES=210, PETRI_TRANSITIONS=209} [2023-11-26 11:58:14,363 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -31 predicate places. [2023-11-26 11:58:14,363 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 209 transitions, 427 flow [2023-11-26 11:58:14,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:14,364 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:14,364 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] [2023-11-26 11:58:14,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:58:14,365 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:14,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:14,365 INFO L85 PathProgramCache]: Analyzing trace with hash 284014859, now seen corresponding path program 1 times [2023-11-26 11:58:14,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:14,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576071254] [2023-11-26 11:58:14,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:14,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:14,972 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 11:58:14,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:14,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576071254] [2023-11-26 11:58:14,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576071254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:14,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:14,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:14,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042585671] [2023-11-26 11:58:14,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:14,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:58:14,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:14,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:58:14,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:15,196 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 271 [2023-11-26 11:58:15,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 209 transitions, 427 flow. Second operand has 6 states, 6 states have (on average 210.5) internal successors, (1263), 6 states have internal predecessors, (1263), 0 states have call successors, (0), 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 11:58:15,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:15,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 271 [2023-11-26 11:58:15,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:15,570 INFO L124 PetriNetUnfolderBase]: 345/1783 cut-off events. [2023-11-26 11:58:15,570 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES. [2023-11-26 11:58:15,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2328 conditions, 1783 events. 345/1783 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12497 event pairs, 241 based on Foata normal form. 0/1522 useless extension candidates. Maximal degree in co-relation 2284. Up to 528 conditions per place. [2023-11-26 11:58:15,586 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 31 selfloop transitions, 5 changer transitions 0/208 dead transitions. [2023-11-26 11:58:15,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 208 transitions, 497 flow [2023-11-26 11:58:15,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:58:15,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:58:15,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1291 transitions. [2023-11-26 11:58:15,591 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7939729397293973 [2023-11-26 11:58:15,591 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1291 transitions. [2023-11-26 11:58:15,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1291 transitions. [2023-11-26 11:58:15,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:15,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1291 transitions. [2023-11-26 11:58:15,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 215.16666666666666) internal successors, (1291), 6 states have internal predecessors, (1291), 0 states have call successors, (0), 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 11:58:15,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 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 11:58:15,601 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 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 11:58:15,601 INFO L175 Difference]: Start difference. First operand has 210 places, 209 transitions, 427 flow. Second operand 6 states and 1291 transitions. [2023-11-26 11:58:15,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 208 transitions, 497 flow [2023-11-26 11:58:15,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 208 transitions, 493 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:58:15,607 INFO L231 Difference]: Finished difference. Result has 212 places, 208 transitions, 431 flow [2023-11-26 11:58:15,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=421, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=431, PETRI_PLACES=212, PETRI_TRANSITIONS=208} [2023-11-26 11:58:15,608 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -29 predicate places. [2023-11-26 11:58:15,609 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 208 transitions, 431 flow [2023-11-26 11:58:15,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 210.5) internal successors, (1263), 6 states have internal predecessors, (1263), 0 states have call successors, (0), 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 11:58:15,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:15,610 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] [2023-11-26 11:58:15,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:58:15,610 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:15,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:15,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1978424564, now seen corresponding path program 1 times [2023-11-26 11:58:15,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:15,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049985255] [2023-11-26 11:58:15,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:16,079 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 11:58:16,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:16,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049985255] [2023-11-26 11:58:16,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049985255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:16,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:16,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:16,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811698247] [2023-11-26 11:58:16,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:16,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:58:16,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:16,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:58:16,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:16,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 271 [2023-11-26 11:58:16,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 208 transitions, 431 flow. Second operand has 6 states, 6 states have (on average 222.5) internal successors, (1335), 6 states have internal predecessors, (1335), 0 states have call successors, (0), 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 11:58:16,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:16,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 271 [2023-11-26 11:58:16,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:16,592 INFO L124 PetriNetUnfolderBase]: 133/677 cut-off events. [2023-11-26 11:58:16,592 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 11:58:16,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 889 conditions, 677 events. 133/677 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2879 event pairs, 5 based on Foata normal form. 0/604 useless extension candidates. Maximal degree in co-relation 867. Up to 75 conditions per place. [2023-11-26 11:58:16,599 INFO L140 encePairwiseOnDemand]: 266/271 looper letters, 46 selfloop transitions, 4 changer transitions 0/235 dead transitions. [2023-11-26 11:58:16,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 235 transitions, 585 flow [2023-11-26 11:58:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:58:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:58:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1377 transitions. [2023-11-26 11:58:16,604 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8468634686346863 [2023-11-26 11:58:16,604 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1377 transitions. [2023-11-26 11:58:16,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1377 transitions. [2023-11-26 11:58:16,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:16,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1377 transitions. [2023-11-26 11:58:16,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 229.5) internal successors, (1377), 6 states have internal predecessors, (1377), 0 states have call successors, (0), 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 11:58:16,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 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 11:58:16,615 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 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 11:58:16,615 INFO L175 Difference]: Start difference. First operand has 212 places, 208 transitions, 431 flow. Second operand 6 states and 1377 transitions. [2023-11-26 11:58:16,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 235 transitions, 585 flow [2023-11-26 11:58:16,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 235 transitions, 575 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:58:16,621 INFO L231 Difference]: Finished difference. Result has 211 places, 207 transitions, 427 flow [2023-11-26 11:58:16,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=427, PETRI_PLACES=211, PETRI_TRANSITIONS=207} [2023-11-26 11:58:16,623 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -30 predicate places. [2023-11-26 11:58:16,623 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 207 transitions, 427 flow [2023-11-26 11:58:16,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.5) internal successors, (1335), 6 states have internal predecessors, (1335), 0 states have call successors, (0), 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 11:58:16,624 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:16,624 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] [2023-11-26 11:58:16,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:58:16,624 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:16,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:16,625 INFO L85 PathProgramCache]: Analyzing trace with hash -141328705, now seen corresponding path program 1 times [2023-11-26 11:58:16,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:16,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316937748] [2023-11-26 11:58:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:16,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:16,670 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 11:58:16,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:16,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316937748] [2023-11-26 11:58:16,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316937748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:16,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:16,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:16,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503012027] [2023-11-26 11:58:16,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:16,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:16,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:16,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:16,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:16,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 271 [2023-11-26 11:58:16,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 207 transitions, 427 flow. Second operand has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 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 11:58:16,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:16,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 271 [2023-11-26 11:58:16,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:16,806 INFO L124 PetriNetUnfolderBase]: 51/614 cut-off events. [2023-11-26 11:58:16,806 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2023-11-26 11:58:16,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 614 events. 51/614 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2654 event pairs, 5 based on Foata normal form. 0/541 useless extension candidates. Maximal degree in co-relation 667. Up to 70 conditions per place. [2023-11-26 11:58:16,811 INFO L140 encePairwiseOnDemand]: 267/271 looper letters, 19 selfloop transitions, 3 changer transitions 0/214 dead transitions. [2023-11-26 11:58:16,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 214 transitions, 488 flow [2023-11-26 11:58:16,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 716 transitions. [2023-11-26 11:58:16,815 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8806888068880688 [2023-11-26 11:58:16,815 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 716 transitions. [2023-11-26 11:58:16,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 716 transitions. [2023-11-26 11:58:16,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:16,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 716 transitions. [2023-11-26 11:58:16,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 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 11:58:16,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:16,821 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:16,821 INFO L175 Difference]: Start difference. First operand has 211 places, 207 transitions, 427 flow. Second operand 3 states and 716 transitions. [2023-11-26 11:58:16,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 214 transitions, 488 flow [2023-11-26 11:58:16,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 214 transitions, 481 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:58:16,827 INFO L231 Difference]: Finished difference. Result has 209 places, 209 transitions, 439 flow [2023-11-26 11:58:16,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=439, PETRI_PLACES=209, PETRI_TRANSITIONS=209} [2023-11-26 11:58:16,828 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -32 predicate places. [2023-11-26 11:58:16,828 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 209 transitions, 439 flow [2023-11-26 11:58:16,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 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 11:58:16,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:16,829 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] [2023-11-26 11:58:16,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:58:16,830 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:16,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:16,830 INFO L85 PathProgramCache]: Analyzing trace with hash 611617765, now seen corresponding path program 1 times [2023-11-26 11:58:16,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:16,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067018] [2023-11-26 11:58:16,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:16,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:17,307 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 11:58:17,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:17,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067018] [2023-11-26 11:58:17,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:17,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:17,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:17,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139100857] [2023-11-26 11:58:17,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:17,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:58:17,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:17,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:58:17,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:17,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 271 [2023-11-26 11:58:17,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 209 transitions, 439 flow. Second operand has 6 states, 6 states have (on average 221.83333333333334) internal successors, (1331), 6 states have internal predecessors, (1331), 0 states have call successors, (0), 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 11:58:17,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:17,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 271 [2023-11-26 11:58:17,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:17,835 INFO L124 PetriNetUnfolderBase]: 85/677 cut-off events. [2023-11-26 11:58:17,835 INFO L125 PetriNetUnfolderBase]: For 38/47 co-relation queries the response was YES. [2023-11-26 11:58:17,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 677 events. 85/677 cut-off events. For 38/47 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3088 event pairs, 15 based on Foata normal form. 0/607 useless extension candidates. Maximal degree in co-relation 833. Up to 79 conditions per place. [2023-11-26 11:58:17,840 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 46 selfloop transitions, 5 changer transitions 0/232 dead transitions. [2023-11-26 11:58:17,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 232 transitions, 607 flow [2023-11-26 11:58:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:58:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:58:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1370 transitions. [2023-11-26 11:58:17,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8425584255842559 [2023-11-26 11:58:17,846 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1370 transitions. [2023-11-26 11:58:17,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1370 transitions. [2023-11-26 11:58:17,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:17,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1370 transitions. [2023-11-26 11:58:17,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 228.33333333333334) internal successors, (1370), 6 states have internal predecessors, (1370), 0 states have call successors, (0), 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 11:58:17,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 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 11:58:17,856 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 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 11:58:17,857 INFO L175 Difference]: Start difference. First operand has 209 places, 209 transitions, 439 flow. Second operand 6 states and 1370 transitions. [2023-11-26 11:58:17,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 232 transitions, 607 flow [2023-11-26 11:58:17,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 232 transitions, 607 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:58:17,863 INFO L231 Difference]: Finished difference. Result has 213 places, 208 transitions, 447 flow [2023-11-26 11:58:17,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=437, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=447, PETRI_PLACES=213, PETRI_TRANSITIONS=208} [2023-11-26 11:58:17,866 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -28 predicate places. [2023-11-26 11:58:17,866 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 208 transitions, 447 flow [2023-11-26 11:58:17,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 221.83333333333334) internal successors, (1331), 6 states have internal predecessors, (1331), 0 states have call successors, (0), 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 11:58:17,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:17,867 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] [2023-11-26 11:58:17,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:58:17,868 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:17,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:17,868 INFO L85 PathProgramCache]: Analyzing trace with hash 984834098, now seen corresponding path program 1 times [2023-11-26 11:58:17,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:17,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546975358] [2023-11-26 11:58:17,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:17,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:18,488 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 11:58:18,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:18,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546975358] [2023-11-26 11:58:18,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546975358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:18,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:18,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:18,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388304585] [2023-11-26 11:58:18,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:18,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:58:18,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:18,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:58:18,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:18,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 271 [2023-11-26 11:58:18,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 208 transitions, 447 flow. Second operand has 6 states, 6 states have (on average 222.83333333333334) internal successors, (1337), 6 states have internal predecessors, (1337), 0 states have call successors, (0), 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 11:58:18,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:18,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 271 [2023-11-26 11:58:18,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:18,923 INFO L124 PetriNetUnfolderBase]: 88/661 cut-off events. [2023-11-26 11:58:18,923 INFO L125 PetriNetUnfolderBase]: For 43/50 co-relation queries the response was YES. [2023-11-26 11:58:18,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 661 events. 88/661 cut-off events. For 43/50 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2881 event pairs, 12 based on Foata normal form. 0/598 useless extension candidates. Maximal degree in co-relation 855. Up to 62 conditions per place. [2023-11-26 11:58:18,929 INFO L140 encePairwiseOnDemand]: 266/271 looper letters, 48 selfloop transitions, 4 changer transitions 0/235 dead transitions. [2023-11-26 11:58:18,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 235 transitions, 645 flow [2023-11-26 11:58:18,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:58:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:58:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1369 transitions. [2023-11-26 11:58:18,934 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8419434194341944 [2023-11-26 11:58:18,934 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1369 transitions. [2023-11-26 11:58:18,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1369 transitions. [2023-11-26 11:58:18,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:18,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1369 transitions. [2023-11-26 11:58:18,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 228.16666666666666) internal successors, (1369), 6 states have internal predecessors, (1369), 0 states have call successors, (0), 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 11:58:18,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 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 11:58:18,945 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 271.0) internal successors, (1897), 7 states have internal predecessors, (1897), 0 states have call successors, (0), 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 11:58:18,945 INFO L175 Difference]: Start difference. First operand has 213 places, 208 transitions, 447 flow. Second operand 6 states and 1369 transitions. [2023-11-26 11:58:18,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 235 transitions, 645 flow [2023-11-26 11:58:18,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 235 transitions, 635 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:58:18,967 INFO L231 Difference]: Finished difference. Result has 212 places, 207 transitions, 443 flow [2023-11-26 11:58:18,968 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=443, PETRI_PLACES=212, PETRI_TRANSITIONS=207} [2023-11-26 11:58:18,968 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -29 predicate places. [2023-11-26 11:58:18,969 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 207 transitions, 443 flow [2023-11-26 11:58:18,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.83333333333334) internal successors, (1337), 6 states have internal predecessors, (1337), 0 states have call successors, (0), 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 11:58:18,970 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:18,970 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] [2023-11-26 11:58:18,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:58:18,971 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:18,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:18,971 INFO L85 PathProgramCache]: Analyzing trace with hash 2137856040, now seen corresponding path program 1 times [2023-11-26 11:58:18,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:18,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376320694] [2023-11-26 11:58:18,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:18,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:19,044 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 11:58:19,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:19,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376320694] [2023-11-26 11:58:19,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376320694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:19,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:19,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:19,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124505697] [2023-11-26 11:58:19,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:19,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:19,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:19,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:19,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:19,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 271 [2023-11-26 11:58:19,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 207 transitions, 443 flow. Second operand has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 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 11:58:19,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:19,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 271 [2023-11-26 11:58:19,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:19,210 INFO L124 PetriNetUnfolderBase]: 78/671 cut-off events. [2023-11-26 11:58:19,210 INFO L125 PetriNetUnfolderBase]: For 36/45 co-relation queries the response was YES. [2023-11-26 11:58:19,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 871 conditions, 671 events. 78/671 cut-off events. For 36/45 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3041 event pairs, 21 based on Foata normal form. 0/608 useless extension candidates. Maximal degree in co-relation 826. Up to 98 conditions per place. [2023-11-26 11:58:19,216 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 22 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2023-11-26 11:58:19,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 212 transitions, 506 flow [2023-11-26 11:58:19,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2023-11-26 11:58:19,219 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8733087330873309 [2023-11-26 11:58:19,219 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 710 transitions. [2023-11-26 11:58:19,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 710 transitions. [2023-11-26 11:58:19,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:19,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 710 transitions. [2023-11-26 11:58:19,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 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 11:58:19,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:19,225 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:19,225 INFO L175 Difference]: Start difference. First operand has 212 places, 207 transitions, 443 flow. Second operand 3 states and 710 transitions. [2023-11-26 11:58:19,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 212 transitions, 506 flow [2023-11-26 11:58:19,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 212 transitions, 499 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:58:19,231 INFO L231 Difference]: Finished difference. Result has 209 places, 206 transitions, 438 flow [2023-11-26 11:58:19,231 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=209, PETRI_TRANSITIONS=206} [2023-11-26 11:58:19,232 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -32 predicate places. [2023-11-26 11:58:19,232 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 206 transitions, 438 flow [2023-11-26 11:58:19,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 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 11:58:19,233 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:19,233 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] [2023-11-26 11:58:19,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:58:19,233 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:19,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:19,234 INFO L85 PathProgramCache]: Analyzing trace with hash 444346669, now seen corresponding path program 1 times [2023-11-26 11:58:19,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:19,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557058782] [2023-11-26 11:58:19,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:19,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:19,310 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 11:58:19,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:19,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557058782] [2023-11-26 11:58:19,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557058782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:19,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:19,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:19,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025797102] [2023-11-26 11:58:19,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:19,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:19,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:19,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:19,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:19,351 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 271 [2023-11-26 11:58:19,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 206 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 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 11:58:19,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:19,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 271 [2023-11-26 11:58:19,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:19,508 INFO L124 PetriNetUnfolderBase]: 107/727 cut-off events. [2023-11-26 11:58:19,508 INFO L125 PetriNetUnfolderBase]: For 46/57 co-relation queries the response was YES. [2023-11-26 11:58:19,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 996 conditions, 727 events. 107/727 cut-off events. For 46/57 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3504 event pairs, 38 based on Foata normal form. 0/659 useless extension candidates. Maximal degree in co-relation 949. Up to 153 conditions per place. [2023-11-26 11:58:19,514 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 27 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2023-11-26 11:58:19,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 211 transitions, 511 flow [2023-11-26 11:58:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:19,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 700 transitions. [2023-11-26 11:58:19,517 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8610086100861009 [2023-11-26 11:58:19,517 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 700 transitions. [2023-11-26 11:58:19,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 700 transitions. [2023-11-26 11:58:19,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:19,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 700 transitions. [2023-11-26 11:58:19,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.33333333333334) internal successors, (700), 3 states have internal predecessors, (700), 0 states have call successors, (0), 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 11:58:19,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:19,523 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:19,523 INFO L175 Difference]: Start difference. First operand has 209 places, 206 transitions, 438 flow. Second operand 3 states and 700 transitions. [2023-11-26 11:58:19,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 211 transitions, 511 flow [2023-11-26 11:58:19,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 211 transitions, 507 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:58:19,529 INFO L231 Difference]: Finished difference. Result has 208 places, 205 transitions, 436 flow [2023-11-26 11:58:19,530 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=436, PETRI_PLACES=208, PETRI_TRANSITIONS=205} [2023-11-26 11:58:19,531 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -33 predicate places. [2023-11-26 11:58:19,531 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 205 transitions, 436 flow [2023-11-26 11:58:19,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 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 11:58:19,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:19,532 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 11:58:19,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:58:19,532 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:19,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:19,536 INFO L85 PathProgramCache]: Analyzing trace with hash 595343111, now seen corresponding path program 1 times [2023-11-26 11:58:19,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:19,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897254039] [2023-11-26 11:58:19,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:19,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:19,598 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 11:58:19,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:19,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897254039] [2023-11-26 11:58:19,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897254039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:19,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:19,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:19,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314965006] [2023-11-26 11:58:19,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:19,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:19,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:19,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:19,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:19,616 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 271 [2023-11-26 11:58:19,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 205 transitions, 436 flow. Second operand has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 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 11:58:19,617 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:19,617 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 271 [2023-11-26 11:58:19,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:19,753 INFO L124 PetriNetUnfolderBase]: 64/624 cut-off events. [2023-11-26 11:58:19,754 INFO L125 PetriNetUnfolderBase]: For 32/41 co-relation queries the response was YES. [2023-11-26 11:58:19,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 793 conditions, 624 events. 64/624 cut-off events. For 32/41 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2692 event pairs, 15 based on Foata normal form. 2/578 useless extension candidates. Maximal degree in co-relation 748. Up to 71 conditions per place. [2023-11-26 11:58:19,759 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 18 selfloop transitions, 2 changer transitions 15/208 dead transitions. [2023-11-26 11:58:19,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 208 transitions, 497 flow [2023-11-26 11:58:19,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:19,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2023-11-26 11:58:19,762 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8622386223862238 [2023-11-26 11:58:19,762 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 701 transitions. [2023-11-26 11:58:19,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 701 transitions. [2023-11-26 11:58:19,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:19,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 701 transitions. [2023-11-26 11:58:19,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 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 11:58:19,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:19,768 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:19,769 INFO L175 Difference]: Start difference. First operand has 208 places, 205 transitions, 436 flow. Second operand 3 states and 701 transitions. [2023-11-26 11:58:19,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 208 transitions, 497 flow [2023-11-26 11:58:19,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 208 transitions, 493 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:58:19,775 INFO L231 Difference]: Finished difference. Result has 205 places, 187 transitions, 397 flow [2023-11-26 11:58:19,776 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=397, PETRI_PLACES=205, PETRI_TRANSITIONS=187} [2023-11-26 11:58:19,777 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -36 predicate places. [2023-11-26 11:58:19,777 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 187 transitions, 397 flow [2023-11-26 11:58:19,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 227.33333333333334) internal successors, (682), 3 states have internal predecessors, (682), 0 states have call successors, (0), 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 11:58:19,779 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:19,779 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] [2023-11-26 11:58:19,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 11:58:19,779 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:19,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash -831049358, now seen corresponding path program 1 times [2023-11-26 11:58:19,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:19,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305354104] [2023-11-26 11:58:19,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:19,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:19,844 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 11:58:19,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:19,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305354104] [2023-11-26 11:58:19,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305354104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:19,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:19,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:19,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717480925] [2023-11-26 11:58:19,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:19,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:19,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:19,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:19,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:19,855 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 271 [2023-11-26 11:58:19,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 187 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 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 11:58:19,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:19,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 271 [2023-11-26 11:58:19,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:20,004 INFO L124 PetriNetUnfolderBase]: 65/715 cut-off events. [2023-11-26 11:58:20,004 INFO L125 PetriNetUnfolderBase]: For 22/26 co-relation queries the response was YES. [2023-11-26 11:58:20,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 870 conditions, 715 events. 65/715 cut-off events. For 22/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2902 event pairs, 9 based on Foata normal form. 0/663 useless extension candidates. Maximal degree in co-relation 825. Up to 51 conditions per place. [2023-11-26 11:58:20,010 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 19 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2023-11-26 11:58:20,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 193 transitions, 456 flow [2023-11-26 11:58:20,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:20,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 713 transitions. [2023-11-26 11:58:20,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8769987699876999 [2023-11-26 11:58:20,013 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 713 transitions. [2023-11-26 11:58:20,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 713 transitions. [2023-11-26 11:58:20,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:20,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 713 transitions. [2023-11-26 11:58:20,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 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 11:58:20,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:20,019 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:20,019 INFO L175 Difference]: Start difference. First operand has 205 places, 187 transitions, 397 flow. Second operand 3 states and 713 transitions. [2023-11-26 11:58:20,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 193 transitions, 456 flow [2023-11-26 11:58:20,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 193 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:58:20,026 INFO L231 Difference]: Finished difference. Result has 189 places, 187 transitions, 401 flow [2023-11-26 11:58:20,027 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=189, PETRI_TRANSITIONS=187} [2023-11-26 11:58:20,028 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -52 predicate places. [2023-11-26 11:58:20,028 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 187 transitions, 401 flow [2023-11-26 11:58:20,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 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 11:58:20,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:20,029 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] [2023-11-26 11:58:20,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 11:58:20,029 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2023-11-26 11:58:20,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:20,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1969452341, now seen corresponding path program 1 times [2023-11-26 11:58:20,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:20,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462933256] [2023-11-26 11:58:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:20,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:20,089 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 11:58:20,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:20,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462933256] [2023-11-26 11:58:20,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462933256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:20,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:20,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:58:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191764361] [2023-11-26 11:58:20,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:20,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:58:20,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:20,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:58:20,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:58:20,114 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 271 [2023-11-26 11:58:20,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 187 transitions, 401 flow. Second operand has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 0 states have call successors, (0), 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 11:58:20,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:20,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 271 [2023-11-26 11:58:20,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:20,251 INFO L124 PetriNetUnfolderBase]: 79/741 cut-off events. [2023-11-26 11:58:20,252 INFO L125 PetriNetUnfolderBase]: For 31/35 co-relation queries the response was YES. [2023-11-26 11:58:20,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 935 conditions, 741 events. 79/741 cut-off events. For 31/35 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2961 event pairs, 18 based on Foata normal form. 0/692 useless extension candidates. Maximal degree in co-relation 889. Up to 87 conditions per place. [2023-11-26 11:58:20,255 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 0 selfloop transitions, 0 changer transitions 192/192 dead transitions. [2023-11-26 11:58:20,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 192 transitions, 460 flow [2023-11-26 11:58:20,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:58:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:58:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 702 transitions. [2023-11-26 11:58:20,259 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8634686346863468 [2023-11-26 11:58:20,259 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 702 transitions. [2023-11-26 11:58:20,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 702 transitions. [2023-11-26 11:58:20,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:20,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 702 transitions. [2023-11-26 11:58:20,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 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 11:58:20,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:20,264 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 271.0) internal successors, (1084), 4 states have internal predecessors, (1084), 0 states have call successors, (0), 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 11:58:20,265 INFO L175 Difference]: Start difference. First operand has 189 places, 187 transitions, 401 flow. Second operand 3 states and 702 transitions. [2023-11-26 11:58:20,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 192 transitions, 460 flow [2023-11-26 11:58:20,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 192 transitions, 458 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:58:20,269 INFO L231 Difference]: Finished difference. Result has 189 places, 0 transitions, 0 flow [2023-11-26 11:58:20,270 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=189, PETRI_TRANSITIONS=0} [2023-11-26 11:58:20,270 INFO L281 CegarLoopForPetriNet]: 241 programPoint places, -52 predicate places. [2023-11-26 11:58:20,271 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 0 transitions, 0 flow [2023-11-26 11:58:20,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.0) internal successors, (687), 3 states have internal predecessors, (687), 0 states have call successors, (0), 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 11:58:20,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2023-11-26 11:58:20,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2023-11-26 11:58:20,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2023-11-26 11:58:20,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2023-11-26 11:58:20,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2023-11-26 11:58:20,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2023-11-26 11:58:20,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2023-11-26 11:58:20,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2023-11-26 11:58:20,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2023-11-26 11:58:20,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2023-11-26 11:58:20,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2023-11-26 11:58:20,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2023-11-26 11:58:20,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2023-11-26 11:58:20,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2023-11-26 11:58:20,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2023-11-26 11:58:20,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2023-11-26 11:58:20,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2023-11-26 11:58:20,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2023-11-26 11:58:20,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2023-11-26 11:58:20,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2023-11-26 11:58:20,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2023-11-26 11:58:20,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2023-11-26 11:58:20,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2023-11-26 11:58:20,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2023-11-26 11:58:20,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2023-11-26 11:58:20,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2023-11-26 11:58:20,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2023-11-26 11:58:20,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2023-11-26 11:58:20,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2023-11-26 11:58:20,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2023-11-26 11:58:20,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2023-11-26 11:58:20,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2023-11-26 11:58:20,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2023-11-26 11:58:20,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2023-11-26 11:58:20,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2023-11-26 11:58:20,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2023-11-26 11:58:20,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2023-11-26 11:58:20,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2023-11-26 11:58:20,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2023-11-26 11:58:20,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2023-11-26 11:58:20,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 71 remaining) [2023-11-26 11:58:20,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2023-11-26 11:58:20,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (28 of 71 remaining) [2023-11-26 11:58:20,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (27 of 71 remaining) [2023-11-26 11:58:20,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2023-11-26 11:58:20,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2023-11-26 11:58:20,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2023-11-26 11:58:20,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2023-11-26 11:58:20,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2023-11-26 11:58:20,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2023-11-26 11:58:20,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2023-11-26 11:58:20,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2023-11-26 11:58:20,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2023-11-26 11:58:20,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2023-11-26 11:58:20,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2023-11-26 11:58:20,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2023-11-26 11:58:20,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2023-11-26 11:58:20,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2023-11-26 11:58:20,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2023-11-26 11:58:20,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2023-11-26 11:58:20,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2023-11-26 11:58:20,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2023-11-26 11:58:20,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2023-11-26 11:58:20,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2023-11-26 11:58:20,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2023-11-26 11:58:20,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2023-11-26 11:58:20,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2023-11-26 11:58:20,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2023-11-26 11:58:20,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2023-11-26 11:58:20,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2023-11-26 11:58:20,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2023-11-26 11:58:20,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 11:58:20,291 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:20,300 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:58:20,300 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:58:20,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:58:20 BasicIcfg [2023-11-26 11:58:20,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:58:20,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:58:20,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:58:20,311 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:58:20,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:11" (3/4) ... [2023-11-26 11:58:20,313 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:58:20,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 11:58:20,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 11:58:20,324 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-26 11:58:20,325 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:58:20,326 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:58:20,326 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:58:20,448 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:58:20,449 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:58:20,449 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:58:20,450 INFO L158 Benchmark]: Toolchain (without parser) took 10173.95ms. Allocated memory was 165.7MB in the beginning and 262.1MB in the end (delta: 96.5MB). Free memory was 119.4MB in the beginning and 73.9MB in the end (delta: 45.5MB). Peak memory consumption was 144.0MB. Max. memory is 16.1GB. [2023-11-26 11:58:20,450 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 165.7MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:20,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.00ms. Allocated memory is still 165.7MB. Free memory was 119.2MB in the beginning and 106.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:58:20,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.32ms. Allocated memory is still 165.7MB. Free memory was 106.6MB in the beginning and 103.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:58:20,452 INFO L158 Benchmark]: Boogie Preprocessor took 48.06ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 101.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:58:20,452 INFO L158 Benchmark]: RCFGBuilder took 1080.06ms. Allocated memory is still 165.7MB. Free memory was 101.1MB in the beginning and 133.4MB in the end (delta: -32.3MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-26 11:58:20,453 INFO L158 Benchmark]: TraceAbstraction took 8484.92ms. Allocated memory was 165.7MB in the beginning and 262.1MB in the end (delta: 96.5MB). Free memory was 132.9MB in the beginning and 80.2MB in the end (delta: 52.7MB). Peak memory consumption was 149.2MB. Max. memory is 16.1GB. [2023-11-26 11:58:20,453 INFO L158 Benchmark]: Witness Printer took 139.11ms. Allocated memory is still 262.1MB. Free memory was 80.2MB in the beginning and 73.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:58:20,456 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 165.7MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.00ms. Allocated memory is still 165.7MB. Free memory was 119.2MB in the beginning and 106.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.32ms. Allocated memory is still 165.7MB. Free memory was 106.6MB in the beginning and 103.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.06ms. Allocated memory is still 165.7MB. Free memory was 103.6MB in the beginning and 101.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1080.06ms. Allocated memory is still 165.7MB. Free memory was 101.1MB in the beginning and 133.4MB in the end (delta: -32.3MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8484.92ms. Allocated memory was 165.7MB in the beginning and 262.1MB in the end (delta: 96.5MB). Free memory was 132.9MB in the beginning and 80.2MB in the end (delta: 52.7MB). Peak memory consumption was 149.2MB. Max. memory is 16.1GB. * Witness Printer took 139.11ms. Allocated memory is still 262.1MB. Free memory was 80.2MB in the beginning and 73.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 78]: 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: 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: 93]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 364 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.3s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 667 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 352 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 189 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1350 IncrementalHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 189 mSolverCounterUnsat, 62 mSDtfsCounter, 1350 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=502occurred in iteration=0, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1265 NumberOfCodeBlocks, 1265 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1249 ConstructedInterpolants, 0 QuantifiedInterpolants, 1665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:58:20,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1dd7c4c-ec6b-463c-a837-6a727bd063f5/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