./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/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_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/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_c00c782d-64b7-4fe6-8db0-c3cc244408af/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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:04:47,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:04:47,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 12:04:47,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:04:47,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:04:47,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:04:47,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:04:47,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:04:47,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:04:47,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:04:47,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:04:47,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:04:47,818 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:04:47,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:04:47,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:04:47,821 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:04:47,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:04:47,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:04:47,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:04:47,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:04:47,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:04:47,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:04:47,825 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 12:04:47,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:04:47,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:04:47,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:04:47,828 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:04:47,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:04:47,829 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:04:47,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:04:47,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:04:47,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:04:47,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:04:47,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:04:47,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:04:47,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:04:47,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:04:47,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:04:47,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:04:47,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:04:47,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:04:47,836 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_c00c782d-64b7-4fe6-8db0-c3cc244408af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2023-11-26 12:04:48,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:04:48,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:04:48,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:04:48,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:04:48,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:04:48,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-26 12:04:51,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:04:51,807 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:04:51,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-26 12:04:51,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/data/27f5f2079/a10667b8892d4438825d395a5b4fa426/FLAG1ea4f1b10 [2023-11-26 12:04:51,856 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/data/27f5f2079/a10667b8892d4438825d395a5b4fa426 [2023-11-26 12:04:51,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:04:51,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:04:51,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:04:51,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:04:51,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:04:51,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:51" (1/1) ... [2023-11-26 12:04:51,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb79f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:51, skipping insertion in model container [2023-11-26 12:04:51,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:04:51" (1/1) ... [2023-11-26 12:04:51,961 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:04:52,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:04:52,489 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:04:52,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:04:52,619 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:52,619 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:04:52,626 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:04:52,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52 WrapperNode [2023-11-26 12:04:52,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:04:52,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:04:52,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:04:52,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:04:52,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,723 INFO L138 Inliner]: procedures = 170, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 321 [2023-11-26 12:04:52,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:04:52,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:04:52,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:04:52,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:04:52,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:04:52,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:04:52,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:04:52,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:04:52,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (1/1) ... [2023-11-26 12:04:52,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:04:52,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:04:52,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:04:52,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:04:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 12:04:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-26 12:04:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-26 12:04:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-26 12:04:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-26 12:04:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 12:04:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 12:04:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:04:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:04:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:04:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 12:04:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 12:04:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:04:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:04:52,899 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 12:04:53,071 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:04:53,074 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:04:53,563 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:04:53,720 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:04:53,720 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-26 12:04:53,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:53 BoogieIcfgContainer [2023-11-26 12:04:53,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:04:53,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:04:53,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:04:53,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:04:53,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:04:51" (1/3) ... [2023-11-26 12:04:53,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512d40d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:04:53, skipping insertion in model container [2023-11-26 12:04:53,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:04:52" (2/3) ... [2023-11-26 12:04:53,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512d40d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:04:53, skipping insertion in model container [2023-11-26 12:04:53,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:53" (3/3) ... [2023-11-26 12:04:53,741 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2023-11-26 12:04:53,751 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:04:53,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:04:53,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-11-26 12:04:53,764 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 12:04:53,890 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 12:04:53,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 180 places, 199 transitions, 412 flow [2023-11-26 12:04:54,053 INFO L124 PetriNetUnfolderBase]: 26/197 cut-off events. [2023-11-26 12:04:54,053 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 12:04:54,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 197 events. 26/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 626 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 163. Up to 5 conditions per place. [2023-11-26 12:04:54,065 INFO L82 GeneralOperation]: Start removeDead. Operand has 180 places, 199 transitions, 412 flow [2023-11-26 12:04:54,083 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 168 places, 187 transitions, 383 flow [2023-11-26 12:04:54,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:04:54,120 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;@10272221, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:04:54,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-11-26 12:04:54,141 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 12:04:54,142 INFO L124 PetriNetUnfolderBase]: 1/29 cut-off events. [2023-11-26 12:04:54,142 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:04:54,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:04:54,143 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] [2023-11-26 12:04:54,143 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:04:54,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:54,148 INFO L85 PathProgramCache]: Analyzing trace with hash 806499380, now seen corresponding path program 1 times [2023-11-26 12:04:54,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:54,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898064945] [2023-11-26 12:04:54,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:54,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:54,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:54,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898064945] [2023-11-26 12:04:54,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898064945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:54,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:54,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 12:04:54,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373626109] [2023-11-26 12:04:54,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:54,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:04:54,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:54,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:04:54,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:04:54,438 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 199 [2023-11-26 12:04:54,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 187 transitions, 383 flow. Second operand has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:54,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:04:54,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 199 [2023-11-26 12:04:54,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:04:54,899 INFO L124 PetriNetUnfolderBase]: 371/1269 cut-off events. [2023-11-26 12:04:54,900 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-26 12:04:54,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1878 conditions, 1269 events. 371/1269 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 8345 event pairs, 195 based on Foata normal form. 240/1301 useless extension candidates. Maximal degree in co-relation 1731. Up to 562 conditions per place. [2023-11-26 12:04:54,921 INFO L140 encePairwiseOnDemand]: 153/199 looper letters, 35 selfloop transitions, 0 changer transitions 0/137 dead transitions. [2023-11-26 12:04:54,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 137 transitions, 353 flow [2023-11-26 12:04:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:04:54,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 12:04:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 315 transitions. [2023-11-26 12:04:54,937 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7914572864321608 [2023-11-26 12:04:54,938 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 315 transitions. [2023-11-26 12:04:54,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 315 transitions. [2023-11-26 12:04:54,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:04:54,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 315 transitions. [2023-11-26 12:04:54,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 157.5) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:54,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:54,954 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:54,956 INFO L175 Difference]: Start difference. First operand has 168 places, 187 transitions, 383 flow. Second operand 2 states and 315 transitions. [2023-11-26 12:04:54,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 137 transitions, 353 flow [2023-11-26 12:04:54,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 137 transitions, 348 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-26 12:04:54,965 INFO L231 Difference]: Finished difference. Result has 130 places, 137 transitions, 278 flow [2023-11-26 12:04:54,967 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=278, PETRI_PLACES=130, PETRI_TRANSITIONS=137} [2023-11-26 12:04:54,971 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, -38 predicate places. [2023-11-26 12:04:54,971 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 137 transitions, 278 flow [2023-11-26 12:04:54,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:54,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:04:54,972 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] [2023-11-26 12:04:54,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:04:54,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:04:54,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:54,974 INFO L85 PathProgramCache]: Analyzing trace with hash -751173360, now seen corresponding path program 1 times [2023-11-26 12:04:54,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:54,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430093827] [2023-11-26 12:04:54,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:54,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:55,677 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 12:04:55,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:55,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430093827] [2023-11-26 12:04:55,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430093827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:55,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:55,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:04:55,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651308505] [2023-11-26 12:04:55,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:55,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:04:55,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:55,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:04:55,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:04:55,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 199 [2023-11-26 12:04:55,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 137 transitions, 278 flow. Second operand has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:55,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:04:55,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 199 [2023-11-26 12:04:55,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:04:56,848 INFO L124 PetriNetUnfolderBase]: 2866/4772 cut-off events. [2023-11-26 12:04:56,849 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:04:56,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8842 conditions, 4772 events. 2866/4772 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 29857 event pairs, 182 based on Foata normal form. 0/4508 useless extension candidates. Maximal degree in co-relation 8839. Up to 1421 conditions per place. [2023-11-26 12:04:56,895 INFO L140 encePairwiseOnDemand]: 194/199 looper letters, 166 selfloop transitions, 4 changer transitions 0/264 dead transitions. [2023-11-26 12:04:56,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 264 transitions, 872 flow [2023-11-26 12:04:56,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:04:56,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:04:56,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 813 transitions. [2023-11-26 12:04:56,903 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6809045226130653 [2023-11-26 12:04:56,903 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 813 transitions. [2023-11-26 12:04:56,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 813 transitions. [2023-11-26 12:04:56,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:04:56,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 813 transitions. [2023-11-26 12:04:56,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 135.5) internal successors, (813), 6 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:56,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:56,916 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:56,917 INFO L175 Difference]: Start difference. First operand has 130 places, 137 transitions, 278 flow. Second operand 6 states and 813 transitions. [2023-11-26 12:04:56,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 264 transitions, 872 flow [2023-11-26 12:04:56,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 264 transitions, 872 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:04:56,927 INFO L231 Difference]: Finished difference. Result has 134 places, 136 transitions, 284 flow [2023-11-26 12:04:56,927 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=284, PETRI_PLACES=134, PETRI_TRANSITIONS=136} [2023-11-26 12:04:56,928 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, -34 predicate places. [2023-11-26 12:04:56,928 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 136 transitions, 284 flow [2023-11-26 12:04:56,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:56,930 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:04:56,930 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] [2023-11-26 12:04:56,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:04:56,930 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:04:56,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:56,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1858390475, now seen corresponding path program 1 times [2023-11-26 12:04:56,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:56,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234292779] [2023-11-26 12:04:56,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:56,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:56,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:56,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234292779] [2023-11-26 12:04:56,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234292779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:56,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:56,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:04:56,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684393265] [2023-11-26 12:04:56,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:56,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:56,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:56,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:56,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:57,015 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 199 [2023-11-26 12:04:57,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 136 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:04:57,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 199 [2023-11-26 12:04:57,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:04:57,377 INFO L124 PetriNetUnfolderBase]: 530/1611 cut-off events. [2023-11-26 12:04:57,377 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-26 12:04:57,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2503 conditions, 1611 events. 530/1611 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 10912 event pairs, 273 based on Foata normal form. 0/1373 useless extension candidates. Maximal degree in co-relation 2499. Up to 772 conditions per place. [2023-11-26 12:04:57,394 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 59 selfloop transitions, 5 changer transitions 0/157 dead transitions. [2023-11-26 12:04:57,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 157 transitions, 456 flow [2023-11-26 12:04:57,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:04:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions. [2023-11-26 12:04:57,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6566164154103853 [2023-11-26 12:04:57,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 392 transitions. [2023-11-26 12:04:57,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 392 transitions. [2023-11-26 12:04:57,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:04:57,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 392 transitions. [2023-11-26 12:04:57,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,402 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,402 INFO L175 Difference]: Start difference. First operand has 134 places, 136 transitions, 284 flow. Second operand 3 states and 392 transitions. [2023-11-26 12:04:57,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 157 transitions, 456 flow [2023-11-26 12:04:57,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 157 transitions, 449 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:04:57,412 INFO L231 Difference]: Finished difference. Result has 134 places, 140 transitions, 315 flow [2023-11-26 12:04:57,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=315, PETRI_PLACES=134, PETRI_TRANSITIONS=140} [2023-11-26 12:04:57,414 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, -34 predicate places. [2023-11-26 12:04:57,414 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 140 transitions, 315 flow [2023-11-26 12:04:57,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,415 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:04:57,416 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] [2023-11-26 12:04:57,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:04:57,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:04:57,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:57,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1183027521, now seen corresponding path program 1 times [2023-11-26 12:04:57,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:57,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773614075] [2023-11-26 12:04:57,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:57,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:57,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:57,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773614075] [2023-11-26 12:04:57,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773614075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:57,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:57,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:04:57,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815563240] [2023-11-26 12:04:57,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:57,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:57,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:57,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:57,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:57,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 199 [2023-11-26 12:04:57,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 140 transitions, 315 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:04:57,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 199 [2023-11-26 12:04:57,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:04:57,845 INFO L124 PetriNetUnfolderBase]: 510/1584 cut-off events. [2023-11-26 12:04:57,846 INFO L125 PetriNetUnfolderBase]: For 164/166 co-relation queries the response was YES. [2023-11-26 12:04:57,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2606 conditions, 1584 events. 510/1584 cut-off events. For 164/166 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 10752 event pairs, 172 based on Foata normal form. 1/1382 useless extension candidates. Maximal degree in co-relation 2601. Up to 489 conditions per place. [2023-11-26 12:04:57,862 INFO L140 encePairwiseOnDemand]: 191/199 looper letters, 78 selfloop transitions, 7 changer transitions 0/180 dead transitions. [2023-11-26 12:04:57,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 180 transitions, 576 flow [2023-11-26 12:04:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:04:57,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 412 transitions. [2023-11-26 12:04:57,865 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6901172529313233 [2023-11-26 12:04:57,865 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 412 transitions. [2023-11-26 12:04:57,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 412 transitions. [2023-11-26 12:04:57,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:04:57,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 412 transitions. [2023-11-26 12:04:57,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,870 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,871 INFO L175 Difference]: Start difference. First operand has 134 places, 140 transitions, 315 flow. Second operand 3 states and 412 transitions. [2023-11-26 12:04:57,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 180 transitions, 576 flow [2023-11-26 12:04:57,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 180 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:04:57,878 INFO L231 Difference]: Finished difference. Result has 136 places, 146 transitions, 367 flow [2023-11-26 12:04:57,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=367, PETRI_PLACES=136, PETRI_TRANSITIONS=146} [2023-11-26 12:04:57,879 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, -32 predicate places. [2023-11-26 12:04:57,880 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 146 transitions, 367 flow [2023-11-26 12:04:57,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:04:57,881 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:04:57,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:04:57,881 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:04:57,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:57,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1284938199, now seen corresponding path program 1 times [2023-11-26 12:04:57,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:57,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625882305] [2023-11-26 12:04:57,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:57,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:57,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:57,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625882305] [2023-11-26 12:04:57,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625882305] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:57,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:57,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:04:57,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317759945] [2023-11-26 12:04:57,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:57,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:04:57,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:57,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:04:57,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:04:57,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 199 [2023-11-26 12:04:57,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 146 transitions, 367 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:57,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:04:57,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 199 [2023-11-26 12:04:57,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:04:58,316 INFO L124 PetriNetUnfolderBase]: 565/1678 cut-off events. [2023-11-26 12:04:58,316 INFO L125 PetriNetUnfolderBase]: For 354/354 co-relation queries the response was YES. [2023-11-26 12:04:58,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2975 conditions, 1678 events. 565/1678 cut-off events. For 354/354 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 11297 event pairs, 274 based on Foata normal form. 0/1471 useless extension candidates. Maximal degree in co-relation 2969. Up to 826 conditions per place. [2023-11-26 12:04:58,339 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 63 selfloop transitions, 7 changer transitions 0/167 dead transitions. [2023-11-26 12:04:58,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 167 transitions, 558 flow [2023-11-26 12:04:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:04:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:04:58,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions. [2023-11-26 12:04:58,344 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6566164154103853 [2023-11-26 12:04:58,344 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 392 transitions. [2023-11-26 12:04:58,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 392 transitions. [2023-11-26 12:04:58,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:04:58,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 392 transitions. [2023-11-26 12:04:58,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:58,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:58,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:58,349 INFO L175 Difference]: Start difference. First operand has 136 places, 146 transitions, 367 flow. Second operand 3 states and 392 transitions. [2023-11-26 12:04:58,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 167 transitions, 558 flow [2023-11-26 12:04:58,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 167 transitions, 542 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:04:58,360 INFO L231 Difference]: Finished difference. Result has 138 places, 150 transitions, 405 flow [2023-11-26 12:04:58,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=138, PETRI_TRANSITIONS=150} [2023-11-26 12:04:58,363 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, -30 predicate places. [2023-11-26 12:04:58,363 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 150 transitions, 405 flow [2023-11-26 12:04:58,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:58,364 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:04:58,364 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] [2023-11-26 12:04:58,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:04:58,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:04:58,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:58,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1293378747, now seen corresponding path program 1 times [2023-11-26 12:04:58,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:58,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366229130] [2023-11-26 12:04:58,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:58,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:58,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:58,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366229130] [2023-11-26 12:04:58,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366229130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:58,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:58,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:04:58,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905606577] [2023-11-26 12:04:58,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:58,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:04:58,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:58,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:04:58,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:04:58,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 199 [2023-11-26 12:04:58,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 150 transitions, 405 flow. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:58,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:04:58,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 199 [2023-11-26 12:04:58,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:04:59,005 INFO L124 PetriNetUnfolderBase]: 902/2760 cut-off events. [2023-11-26 12:04:59,005 INFO L125 PetriNetUnfolderBase]: For 314/323 co-relation queries the response was YES. [2023-11-26 12:04:59,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4743 conditions, 2760 events. 902/2760 cut-off events. For 314/323 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 21645 event pairs, 138 based on Foata normal form. 56/2558 useless extension candidates. Maximal degree in co-relation 4736. Up to 720 conditions per place. [2023-11-26 12:04:59,034 INFO L140 encePairwiseOnDemand]: 185/199 looper letters, 88 selfloop transitions, 15 changer transitions 0/213 dead transitions. [2023-11-26 12:04:59,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 213 transitions, 740 flow [2023-11-26 12:04:59,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:04:59,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:04:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 671 transitions. [2023-11-26 12:04:59,037 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6743718592964824 [2023-11-26 12:04:59,038 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 671 transitions. [2023-11-26 12:04:59,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 671 transitions. [2023-11-26 12:04:59,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:04:59,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 671 transitions. [2023-11-26 12:04:59,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.2) internal successors, (671), 5 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:59,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:59,044 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:59,045 INFO L175 Difference]: Start difference. First operand has 138 places, 150 transitions, 405 flow. Second operand 5 states and 671 transitions. [2023-11-26 12:04:59,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 213 transitions, 740 flow [2023-11-26 12:04:59,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 213 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:04:59,052 INFO L231 Difference]: Finished difference. Result has 144 places, 165 transitions, 525 flow [2023-11-26 12:04:59,053 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=525, PETRI_PLACES=144, PETRI_TRANSITIONS=165} [2023-11-26 12:04:59,053 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, -24 predicate places. [2023-11-26 12:04:59,054 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 165 transitions, 525 flow [2023-11-26 12:04:59,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:59,054 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:04:59,054 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] [2023-11-26 12:04:59,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:04:59,055 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:04:59,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:04:59,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1763570093, now seen corresponding path program 2 times [2023-11-26 12:04:59,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:04:59,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89065356] [2023-11-26 12:04:59,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:04:59,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:04:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:04:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:04:59,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:04:59,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89065356] [2023-11-26 12:04:59,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89065356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:04:59,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:04:59,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:04:59,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125746781] [2023-11-26 12:04:59,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:04:59,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:04:59,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:04:59,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:04:59,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:04:59,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 199 [2023-11-26 12:04:59,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 165 transitions, 525 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:04:59,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:04:59,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 199 [2023-11-26 12:04:59,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:00,381 INFO L124 PetriNetUnfolderBase]: 2069/6553 cut-off events. [2023-11-26 12:05:00,381 INFO L125 PetriNetUnfolderBase]: For 2821/3032 co-relation queries the response was YES. [2023-11-26 12:05:00,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12933 conditions, 6553 events. 2069/6553 cut-off events. For 2821/3032 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 62031 event pairs, 202 based on Foata normal form. 34/5975 useless extension candidates. Maximal degree in co-relation 12923. Up to 1130 conditions per place. [2023-11-26 12:05:00,466 INFO L140 encePairwiseOnDemand]: 195/199 looper letters, 174 selfloop transitions, 6 changer transitions 0/293 dead transitions. [2023-11-26 12:05:00,466 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 293 transitions, 1373 flow [2023-11-26 12:05:00,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:05:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 704 transitions. [2023-11-26 12:05:00,470 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7075376884422111 [2023-11-26 12:05:00,471 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 704 transitions. [2023-11-26 12:05:00,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 704 transitions. [2023-11-26 12:05:00,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:00,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 704 transitions. [2023-11-26 12:05:00,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 140.8) internal successors, (704), 5 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:00,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:00,478 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:00,478 INFO L175 Difference]: Start difference. First operand has 144 places, 165 transitions, 525 flow. Second operand 5 states and 704 transitions. [2023-11-26 12:05:00,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 293 transitions, 1373 flow [2023-11-26 12:05:00,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 293 transitions, 1373 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:05:00,496 INFO L231 Difference]: Finished difference. Result has 152 places, 171 transitions, 575 flow [2023-11-26 12:05:00,497 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=575, PETRI_PLACES=152, PETRI_TRANSITIONS=171} [2023-11-26 12:05:00,498 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, -16 predicate places. [2023-11-26 12:05:00,499 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 171 transitions, 575 flow [2023-11-26 12:05:00,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:00,499 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:00,500 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] [2023-11-26 12:05:00,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 12:05:00,500 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:05:00,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:00,503 INFO L85 PathProgramCache]: Analyzing trace with hash -67728857, now seen corresponding path program 3 times [2023-11-26 12:05:00,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:00,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904572937] [2023-11-26 12:05:00,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:00,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:00,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:00,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904572937] [2023-11-26 12:05:00,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904572937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:00,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:00,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:00,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638062060] [2023-11-26 12:05:00,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:00,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:00,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:00,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:00,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:00,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 199 [2023-11-26 12:05:00,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 171 transitions, 575 flow. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:00,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:00,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 199 [2023-11-26 12:05:00,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:02,092 INFO L124 PetriNetUnfolderBase]: 2858/8469 cut-off events. [2023-11-26 12:05:02,092 INFO L125 PetriNetUnfolderBase]: For 4417/4691 co-relation queries the response was YES. [2023-11-26 12:05:02,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17850 conditions, 8469 events. 2858/8469 cut-off events. For 4417/4691 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 81586 event pairs, 548 based on Foata normal form. 194/8196 useless extension candidates. Maximal degree in co-relation 17836. Up to 2636 conditions per place. [2023-11-26 12:05:02,197 INFO L140 encePairwiseOnDemand]: 185/199 looper letters, 115 selfloop transitions, 16 changer transitions 0/241 dead transitions. [2023-11-26 12:05:02,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 241 transitions, 1080 flow [2023-11-26 12:05:02,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:05:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 670 transitions. [2023-11-26 12:05:02,201 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6733668341708543 [2023-11-26 12:05:02,201 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 670 transitions. [2023-11-26 12:05:02,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 670 transitions. [2023-11-26 12:05:02,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:02,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 670 transitions. [2023-11-26 12:05:02,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.0) internal successors, (670), 5 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 12:05:02,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:02,208 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:02,208 INFO L175 Difference]: Start difference. First operand has 152 places, 171 transitions, 575 flow. Second operand 5 states and 670 transitions. [2023-11-26 12:05:02,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 241 transitions, 1080 flow [2023-11-26 12:05:02,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 241 transitions, 1080 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:05:02,229 INFO L231 Difference]: Finished difference. Result has 160 places, 186 transitions, 725 flow [2023-11-26 12:05:02,230 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=725, PETRI_PLACES=160, PETRI_TRANSITIONS=186} [2023-11-26 12:05:02,230 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, -8 predicate places. [2023-11-26 12:05:02,231 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 186 transitions, 725 flow [2023-11-26 12:05:02,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:02,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:02,232 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] [2023-11-26 12:05:02,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 12:05:02,232 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:05:02,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:02,233 INFO L85 PathProgramCache]: Analyzing trace with hash 387323307, now seen corresponding path program 4 times [2023-11-26 12:05:02,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:02,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322113202] [2023-11-26 12:05:02,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:02,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:02,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:02,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322113202] [2023-11-26 12:05:02,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322113202] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:02,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:02,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:02,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600340162] [2023-11-26 12:05:02,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:02,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:02,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:02,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:02,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:02,366 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 199 [2023-11-26 12:05:02,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 186 transitions, 725 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:02,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:02,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 199 [2023-11-26 12:05:02,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:04,779 INFO L124 PetriNetUnfolderBase]: 3860/11723 cut-off events. [2023-11-26 12:05:04,779 INFO L125 PetriNetUnfolderBase]: For 10912/11535 co-relation queries the response was YES. [2023-11-26 12:05:04,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27885 conditions, 11723 events. 3860/11723 cut-off events. For 10912/11535 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 120602 event pairs, 505 based on Foata normal form. 63/11200 useless extension candidates. Maximal degree in co-relation 27867. Up to 2233 conditions per place. [2023-11-26 12:05:04,964 INFO L140 encePairwiseOnDemand]: 195/199 looper letters, 233 selfloop transitions, 11 changer transitions 0/357 dead transitions. [2023-11-26 12:05:04,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 357 transitions, 2104 flow [2023-11-26 12:05:04,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:05:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 706 transitions. [2023-11-26 12:05:04,968 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7095477386934673 [2023-11-26 12:05:04,969 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 706 transitions. [2023-11-26 12:05:04,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 706 transitions. [2023-11-26 12:05:04,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:04,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 706 transitions. [2023-11-26 12:05:04,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 141.2) internal successors, (706), 5 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:04,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:04,977 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:04,977 INFO L175 Difference]: Start difference. First operand has 160 places, 186 transitions, 725 flow. Second operand 5 states and 706 transitions. [2023-11-26 12:05:04,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 357 transitions, 2104 flow [2023-11-26 12:05:05,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 357 transitions, 2096 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-11-26 12:05:05,013 INFO L231 Difference]: Finished difference. Result has 168 places, 194 transitions, 817 flow [2023-11-26 12:05:05,014 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=723, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=817, PETRI_PLACES=168, PETRI_TRANSITIONS=194} [2023-11-26 12:05:05,015 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, 0 predicate places. [2023-11-26 12:05:05,015 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 194 transitions, 817 flow [2023-11-26 12:05:05,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:05,016 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:05,016 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] [2023-11-26 12:05:05,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 12:05:05,017 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:05:05,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:05,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1768458054, now seen corresponding path program 1 times [2023-11-26 12:05:05,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:05,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519917905] [2023-11-26 12:05:05,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:05,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:05,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:05,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519917905] [2023-11-26 12:05:05,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519917905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:05,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:05,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:05,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081344805] [2023-11-26 12:05:05,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:05,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:05,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:05,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:05,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:05,175 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 199 [2023-11-26 12:05:05,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 194 transitions, 817 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:05,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:05,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 199 [2023-11-26 12:05:05,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:06,990 INFO L124 PetriNetUnfolderBase]: 3202/10507 cut-off events. [2023-11-26 12:05:06,990 INFO L125 PetriNetUnfolderBase]: For 9779/10280 co-relation queries the response was YES. [2023-11-26 12:05:07,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24760 conditions, 10507 events. 3202/10507 cut-off events. For 9779/10280 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 107212 event pairs, 674 based on Foata normal form. 108/10048 useless extension candidates. Maximal degree in co-relation 24738. Up to 3411 conditions per place. [2023-11-26 12:05:07,128 INFO L140 encePairwiseOnDemand]: 192/199 looper letters, 142 selfloop transitions, 11 changer transitions 0/265 dead transitions. [2023-11-26 12:05:07,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 265 transitions, 1512 flow [2023-11-26 12:05:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:05:07,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 651 transitions. [2023-11-26 12:05:07,131 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6542713567839196 [2023-11-26 12:05:07,132 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 651 transitions. [2023-11-26 12:05:07,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 651 transitions. [2023-11-26 12:05:07,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:07,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 651 transitions. [2023-11-26 12:05:07,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 130.2) internal successors, (651), 5 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:07,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:07,138 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:07,138 INFO L175 Difference]: Start difference. First operand has 168 places, 194 transitions, 817 flow. Second operand 5 states and 651 transitions. [2023-11-26 12:05:07,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 265 transitions, 1512 flow [2023-11-26 12:05:07,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 265 transitions, 1504 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-11-26 12:05:07,169 INFO L231 Difference]: Finished difference. Result has 175 places, 200 transitions, 870 flow [2023-11-26 12:05:07,170 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=870, PETRI_PLACES=175, PETRI_TRANSITIONS=200} [2023-11-26 12:05:07,171 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, 7 predicate places. [2023-11-26 12:05:07,171 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 200 transitions, 870 flow [2023-11-26 12:05:07,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:07,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:07,172 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] [2023-11-26 12:05:07,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 12:05:07,172 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:05:07,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:07,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1793797066, now seen corresponding path program 1 times [2023-11-26 12:05:07,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:07,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779726638] [2023-11-26 12:05:07,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:07,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:07,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:07,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779726638] [2023-11-26 12:05:07,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779726638] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:07,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:07,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:07,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150633411] [2023-11-26 12:05:07,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:07,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:07,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:07,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:07,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:07,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 199 [2023-11-26 12:05:07,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 200 transitions, 870 flow. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:07,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:07,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 199 [2023-11-26 12:05:07,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:08,629 INFO L124 PetriNetUnfolderBase]: 2240/7060 cut-off events. [2023-11-26 12:05:08,629 INFO L125 PetriNetUnfolderBase]: For 7590/7892 co-relation queries the response was YES. [2023-11-26 12:05:08,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18105 conditions, 7060 events. 2240/7060 cut-off events. For 7590/7892 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 65471 event pairs, 519 based on Foata normal form. 89/6911 useless extension candidates. Maximal degree in co-relation 18079. Up to 2640 conditions per place. [2023-11-26 12:05:08,717 INFO L140 encePairwiseOnDemand]: 192/199 looper letters, 145 selfloop transitions, 11 changer transitions 0/252 dead transitions. [2023-11-26 12:05:08,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 252 transitions, 1471 flow [2023-11-26 12:05:08,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:05:08,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 652 transitions. [2023-11-26 12:05:08,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6552763819095477 [2023-11-26 12:05:08,721 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 652 transitions. [2023-11-26 12:05:08,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 652 transitions. [2023-11-26 12:05:08,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:08,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 652 transitions. [2023-11-26 12:05:08,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 130.4) internal successors, (652), 5 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:08,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:08,729 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:08,729 INFO L175 Difference]: Start difference. First operand has 175 places, 200 transitions, 870 flow. Second operand 5 states and 652 transitions. [2023-11-26 12:05:08,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 252 transitions, 1471 flow [2023-11-26 12:05:08,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 252 transitions, 1433 flow, removed 13 selfloop flow, removed 4 redundant places. [2023-11-26 12:05:08,763 INFO L231 Difference]: Finished difference. Result has 174 places, 188 transitions, 797 flow [2023-11-26 12:05:08,764 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=797, PETRI_PLACES=174, PETRI_TRANSITIONS=188} [2023-11-26 12:05:08,764 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, 6 predicate places. [2023-11-26 12:05:08,764 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 188 transitions, 797 flow [2023-11-26 12:05:08,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:08,765 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:08,765 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:08,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 12:05:08,766 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-26 12:05:08,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:08,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1688728603, now seen corresponding path program 1 times [2023-11-26 12:05:08,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:08,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920826779] [2023-11-26 12:05:08,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:08,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:09,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:09,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920826779] [2023-11-26 12:05:09,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920826779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:09,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:09,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:09,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368769584] [2023-11-26 12:05:09,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:09,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:09,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:09,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:09,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:09,436 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 199 [2023-11-26 12:05:09,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 188 transitions, 797 flow. Second operand has 6 states, 6 states have (on average 109.83333333333333) internal successors, (659), 6 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:09,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:09,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 199 [2023-11-26 12:05:09,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:11,024 INFO L124 PetriNetUnfolderBase]: 2744/7680 cut-off events. [2023-11-26 12:05:11,024 INFO L125 PetriNetUnfolderBase]: For 9855/10294 co-relation queries the response was YES. [2023-11-26 12:05:11,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21060 conditions, 7680 events. 2744/7680 cut-off events. For 9855/10294 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 68668 event pairs, 734 based on Foata normal form. 2/7485 useless extension candidates. Maximal degree in co-relation 21032. Up to 3611 conditions per place. [2023-11-26 12:05:11,068 INFO L140 encePairwiseOnDemand]: 194/199 looper letters, 0 selfloop transitions, 0 changer transitions 299/299 dead transitions. [2023-11-26 12:05:11,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 299 transitions, 1871 flow [2023-11-26 12:05:11,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:05:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:05:11,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 749 transitions. [2023-11-26 12:05:11,081 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6273031825795645 [2023-11-26 12:05:11,081 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 749 transitions. [2023-11-26 12:05:11,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 749 transitions. [2023-11-26 12:05:11,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:11,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 749 transitions. [2023-11-26 12:05:11,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:11,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:11,090 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:11,090 INFO L175 Difference]: Start difference. First operand has 174 places, 188 transitions, 797 flow. Second operand 6 states and 749 transitions. [2023-11-26 12:05:11,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 299 transitions, 1871 flow [2023-11-26 12:05:11,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 299 transitions, 1871 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:05:11,125 INFO L231 Difference]: Finished difference. Result has 178 places, 0 transitions, 0 flow [2023-11-26 12:05:11,125 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=178, PETRI_TRANSITIONS=0} [2023-11-26 12:05:11,126 INFO L281 CegarLoopForPetriNet]: 168 programPoint places, 10 predicate places. [2023-11-26 12:05:11,127 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 0 transitions, 0 flow [2023-11-26 12:05:11,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.83333333333333) internal successors, (659), 6 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:11,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (75 of 76 remaining) [2023-11-26 12:05:11,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (74 of 76 remaining) [2023-11-26 12:05:11,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (73 of 76 remaining) [2023-11-26 12:05:11,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (72 of 76 remaining) [2023-11-26 12:05:11,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (71 of 76 remaining) [2023-11-26 12:05:11,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (70 of 76 remaining) [2023-11-26 12:05:11,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (69 of 76 remaining) [2023-11-26 12:05:11,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (68 of 76 remaining) [2023-11-26 12:05:11,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (67 of 76 remaining) [2023-11-26 12:05:11,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (66 of 76 remaining) [2023-11-26 12:05:11,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (65 of 76 remaining) [2023-11-26 12:05:11,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (64 of 76 remaining) [2023-11-26 12:05:11,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (63 of 76 remaining) [2023-11-26 12:05:11,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (62 of 76 remaining) [2023-11-26 12:05:11,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (61 of 76 remaining) [2023-11-26 12:05:11,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (60 of 76 remaining) [2023-11-26 12:05:11,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (59 of 76 remaining) [2023-11-26 12:05:11,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (58 of 76 remaining) [2023-11-26 12:05:11,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (57 of 76 remaining) [2023-11-26 12:05:11,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (56 of 76 remaining) [2023-11-26 12:05:11,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (55 of 76 remaining) [2023-11-26 12:05:11,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (54 of 76 remaining) [2023-11-26 12:05:11,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (53 of 76 remaining) [2023-11-26 12:05:11,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (52 of 76 remaining) [2023-11-26 12:05:11,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (51 of 76 remaining) [2023-11-26 12:05:11,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (50 of 76 remaining) [2023-11-26 12:05:11,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (49 of 76 remaining) [2023-11-26 12:05:11,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (48 of 76 remaining) [2023-11-26 12:05:11,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (47 of 76 remaining) [2023-11-26 12:05:11,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (46 of 76 remaining) [2023-11-26 12:05:11,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (45 of 76 remaining) [2023-11-26 12:05:11,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (44 of 76 remaining) [2023-11-26 12:05:11,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (43 of 76 remaining) [2023-11-26 12:05:11,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (42 of 76 remaining) [2023-11-26 12:05:11,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (41 of 76 remaining) [2023-11-26 12:05:11,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (40 of 76 remaining) [2023-11-26 12:05:11,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 76 remaining) [2023-11-26 12:05:11,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 76 remaining) [2023-11-26 12:05:11,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 76 remaining) [2023-11-26 12:05:11,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 76 remaining) [2023-11-26 12:05:11,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (35 of 76 remaining) [2023-11-26 12:05:11,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (34 of 76 remaining) [2023-11-26 12:05:11,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (33 of 76 remaining) [2023-11-26 12:05:11,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (32 of 76 remaining) [2023-11-26 12:05:11,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (31 of 76 remaining) [2023-11-26 12:05:11,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (30 of 76 remaining) [2023-11-26 12:05:11,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (29 of 76 remaining) [2023-11-26 12:05:11,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (28 of 76 remaining) [2023-11-26 12:05:11,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (27 of 76 remaining) [2023-11-26 12:05:11,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (26 of 76 remaining) [2023-11-26 12:05:11,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 76 remaining) [2023-11-26 12:05:11,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (24 of 76 remaining) [2023-11-26 12:05:11,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (23 of 76 remaining) [2023-11-26 12:05:11,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 76 remaining) [2023-11-26 12:05:11,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (21 of 76 remaining) [2023-11-26 12:05:11,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (20 of 76 remaining) [2023-11-26 12:05:11,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 76 remaining) [2023-11-26 12:05:11,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 76 remaining) [2023-11-26 12:05:11,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 76 remaining) [2023-11-26 12:05:11,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (16 of 76 remaining) [2023-11-26 12:05:11,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 76 remaining) [2023-11-26 12:05:11,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (14 of 76 remaining) [2023-11-26 12:05:11,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 76 remaining) [2023-11-26 12:05:11,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 76 remaining) [2023-11-26 12:05:11,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (11 of 76 remaining) [2023-11-26 12:05:11,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 76 remaining) [2023-11-26 12:05:11,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (9 of 76 remaining) [2023-11-26 12:05:11,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (8 of 76 remaining) [2023-11-26 12:05:11,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 76 remaining) [2023-11-26 12:05:11,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 76 remaining) [2023-11-26 12:05:11,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (5 of 76 remaining) [2023-11-26 12:05:11,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 76 remaining) [2023-11-26 12:05:11,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 76 remaining) [2023-11-26 12:05:11,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 76 remaining) [2023-11-26 12:05:11,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 76 remaining) [2023-11-26 12:05:11,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 76 remaining) [2023-11-26 12:05:11,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 12:05:11,151 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:11,158 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 12:05:11,158 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:05:11,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:05:11 BasicIcfg [2023-11-26 12:05:11,169 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:05:11,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:05:11,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:05:11,170 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:05:11,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:04:53" (3/4) ... [2023-11-26 12:05:11,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:05:11,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-26 12:05:11,176 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-26 12:05:11,181 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-26 12:05:11,181 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 12:05:11,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 12:05:11,183 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:05:11,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:05:11,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:05:11,278 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:05:11,278 INFO L158 Benchmark]: Toolchain (without parser) took 19417.36ms. Allocated memory was 159.4MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 107.1MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 421.9MB. Max. memory is 16.1GB. [2023-11-26 12:05:11,279 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 159.4MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:05:11,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.46ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 86.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 12:05:11,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.14ms. Allocated memory is still 159.4MB. Free memory was 85.5MB in the beginning and 83.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:05:11,280 INFO L158 Benchmark]: Boogie Preprocessor took 45.34ms. Allocated memory is still 159.4MB. Free memory was 83.3MB in the beginning and 81.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:05:11,280 INFO L158 Benchmark]: RCFGBuilder took 956.29ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 80.7MB in the beginning and 159.5MB in the end (delta: -78.7MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-11-26 12:05:11,281 INFO L158 Benchmark]: TraceAbstraction took 17438.95ms. Allocated memory was 192.9MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 158.4MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 645.7MB. Max. memory is 16.1GB. [2023-11-26 12:05:11,281 INFO L158 Benchmark]: Witness Printer took 108.06ms. Allocated memory is still 5.2GB. Free memory was 4.8GB in the beginning and 4.7GB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:05:11,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 159.4MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.46ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 86.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.14ms. Allocated memory is still 159.4MB. Free memory was 85.5MB in the beginning and 83.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.34ms. Allocated memory is still 159.4MB. Free memory was 83.3MB in the beginning and 81.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 956.29ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 80.7MB in the beginning and 159.5MB in the end (delta: -78.7MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * TraceAbstraction took 17438.95ms. Allocated memory was 192.9MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 158.4MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 645.7MB. Max. memory is 16.1GB. * Witness Printer took 108.06ms. Allocated memory is still 5.2GB. Free memory was 4.8GB in the beginning and 4.7GB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 833]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 836]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 813]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 848]: 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, 296 locations, 76 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: 17.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 817 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 688 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2194 IncrementalHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 54 mSDtfsCounter, 2194 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=870occurred in iteration=10, InterpolantAutomatonStates: 53, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 551 NumberOfCodeBlocks, 551 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 539 ConstructedInterpolants, 0 QuantifiedInterpolants, 829 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 12:05:11,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c00c782d-64b7-4fe6-8db0-c3cc244408af/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