./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/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_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/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_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/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 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:47:44,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:44,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 10:47:44,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:44,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:44,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:44,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:44,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:44,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:47:44,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:47:44,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:44,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:44,676 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:44,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:44,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:47:44,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:47:44,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:47:44,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:47:44,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:44,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:47:44,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:47:44,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:47:44,689 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 10:47:44,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:47:44,690 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:47:44,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:44,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:44,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:44,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:44,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:47:44,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:44,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:44,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:47:44,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:47:44,695 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:47:44,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:47:44,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:47:44,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:47:44,696 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:47:44,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:47:44,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:47:44,697 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_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 [2023-11-26 10:47:44,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:44,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:45,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:45,003 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:45,004 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:45,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-11-26 10:47:48,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:47:48,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:47:48,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-11-26 10:47:48,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/data/edfadb8cb/54ade744cf5543f4aa524d7ca58137f3/FLAGf697393db [2023-11-26 10:47:48,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/data/edfadb8cb/54ade744cf5543f4aa524d7ca58137f3 [2023-11-26 10:47:48,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:47:48,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:47:48,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:48,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:47:48,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:47:48,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e803d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48, skipping insertion in model container [2023-11-26 10:47:48,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,494 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:47:48,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:48,781 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:47:48,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:48,854 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:47:48,854 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:47:48,863 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:47:48,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48 WrapperNode [2023-11-26 10:47:48,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:48,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:48,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:47:48,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:47:48,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,940 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2023-11-26 10:47:48,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:48,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:47:48,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:47:48,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:47:48,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:47:48,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:47:48,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:47:48,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:47:48,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (1/1) ... [2023-11-26 10:47:48,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:49,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:49,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:47:49,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:47:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:47:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 10:47:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 10:47:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 10:47:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 10:47:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 10:47:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:47:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 10:47:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 10:47:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 10:47:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:47:49,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:47:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 10:47:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:47:49,084 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 10:47:49,196 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:47:49,199 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:47:49,676 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:47:49,906 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:47:49,906 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:47:49,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:49 BoogieIcfgContainer [2023-11-26 10:47:49,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:47:49,911 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:47:49,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:47:49,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:47:49,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:47:48" (1/3) ... [2023-11-26 10:47:49,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ff55a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:49, skipping insertion in model container [2023-11-26 10:47:49,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:48" (2/3) ... [2023-11-26 10:47:49,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ff55a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:49, skipping insertion in model container [2023-11-26 10:47:49,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:49" (3/3) ... [2023-11-26 10:47:49,919 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2023-11-26 10:47:49,928 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 10:47:49,940 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:47:49,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-11-26 10:47:49,941 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 10:47:50,015 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 10:47:50,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 163 places, 164 transitions, 342 flow [2023-11-26 10:47:50,133 INFO L124 PetriNetUnfolderBase]: 8/162 cut-off events. [2023-11-26 10:47:50,133 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 10:47:50,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 162 events. 8/162 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 138 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2023-11-26 10:47:50,139 INFO L82 GeneralOperation]: Start removeDead. Operand has 163 places, 164 transitions, 342 flow [2023-11-26 10:47:50,146 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 141 transitions, 294 flow [2023-11-26 10:47:50,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:47:50,167 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;@6aaddcbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:47:50,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2023-11-26 10:47:50,174 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 10:47:50,174 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-26 10:47:50,174 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:47:50,175 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:50,175 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] [2023-11-26 10:47:50,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:50,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:50,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1386119958, now seen corresponding path program 1 times [2023-11-26 10:47:50,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:50,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620097829] [2023-11-26 10:47:50,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:50,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:50,434 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 10:47:50,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:50,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620097829] [2023-11-26 10:47:50,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620097829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:50,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:50,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:50,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418109441] [2023-11-26 10:47:50,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:50,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:50,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:50,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:50,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:50,548 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 164 [2023-11-26 10:47:50,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 141 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 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 10:47:50,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:50,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 164 [2023-11-26 10:47:50,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:50,673 INFO L124 PetriNetUnfolderBase]: 26/183 cut-off events. [2023-11-26 10:47:50,674 INFO L125 PetriNetUnfolderBase]: For 19/39 co-relation queries the response was YES. [2023-11-26 10:47:50,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 183 events. 26/183 cut-off events. For 19/39 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 297 event pairs, 11 based on Foata normal form. 10/164 useless extension candidates. Maximal degree in co-relation 127. Up to 51 conditions per place. [2023-11-26 10:47:50,678 INFO L140 encePairwiseOnDemand]: 143/164 looper letters, 17 selfloop transitions, 2 changer transitions 1/122 dead transitions. [2023-11-26 10:47:50,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 122 transitions, 294 flow [2023-11-26 10:47:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:50,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:47:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 407 transitions. [2023-11-26 10:47:50,696 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8272357723577236 [2023-11-26 10:47:50,697 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 407 transitions. [2023-11-26 10:47:50,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 407 transitions. [2023-11-26 10:47:50,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:50,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 407 transitions. [2023-11-26 10:47:50,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 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 10:47:50,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:50,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:50,721 INFO L175 Difference]: Start difference. First operand has 141 places, 141 transitions, 294 flow. Second operand 3 states and 407 transitions. [2023-11-26 10:47:50,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 122 transitions, 294 flow [2023-11-26 10:47:50,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 122 transitions, 286 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:47:50,736 INFO L231 Difference]: Finished difference. Result has 123 places, 121 transitions, 250 flow [2023-11-26 10:47:50,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=123, PETRI_TRANSITIONS=121} [2023-11-26 10:47:50,747 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -18 predicate places. [2023-11-26 10:47:50,747 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 121 transitions, 250 flow [2023-11-26 10:47:50,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 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 10:47:50,749 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:50,749 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] [2023-11-26 10:47:50,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:47:50,754 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:50,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:50,756 INFO L85 PathProgramCache]: Analyzing trace with hash 583548625, now seen corresponding path program 1 times [2023-11-26 10:47:50,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:50,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109887326] [2023-11-26 10:47:50,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:50,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:50,850 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 10:47:50,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:50,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109887326] [2023-11-26 10:47:50,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109887326] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:50,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:50,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:50,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894880309] [2023-11-26 10:47:50,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:50,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:50,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:50,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:50,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:50,882 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 164 [2023-11-26 10:47:50,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 121 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 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 10:47:50,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:50,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 164 [2023-11-26 10:47:50,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:51,013 INFO L124 PetriNetUnfolderBase]: 26/181 cut-off events. [2023-11-26 10:47:51,015 INFO L125 PetriNetUnfolderBase]: For 5/25 co-relation queries the response was YES. [2023-11-26 10:47:51,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 181 events. 26/181 cut-off events. For 5/25 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 296 event pairs, 11 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 214. Up to 51 conditions per place. [2023-11-26 10:47:51,020 INFO L140 encePairwiseOnDemand]: 161/164 looper letters, 17 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2023-11-26 10:47:51,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 120 transitions, 286 flow [2023-11-26 10:47:51,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:47:51,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2023-11-26 10:47:51,026 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.790650406504065 [2023-11-26 10:47:51,027 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 389 transitions. [2023-11-26 10:47:51,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 389 transitions. [2023-11-26 10:47:51,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:51,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 389 transitions. [2023-11-26 10:47:51,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 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 10:47:51,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:51,035 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:51,036 INFO L175 Difference]: Start difference. First operand has 123 places, 121 transitions, 250 flow. Second operand 3 states and 389 transitions. [2023-11-26 10:47:51,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 120 transitions, 286 flow [2023-11-26 10:47:51,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 120 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:47:51,042 INFO L231 Difference]: Finished difference. Result has 121 places, 120 transitions, 248 flow [2023-11-26 10:47:51,042 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=121, PETRI_TRANSITIONS=120} [2023-11-26 10:47:51,044 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -20 predicate places. [2023-11-26 10:47:51,045 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 120 transitions, 248 flow [2023-11-26 10:47:51,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 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 10:47:51,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:51,050 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:51,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:47:51,050 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:51,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:51,052 INFO L85 PathProgramCache]: Analyzing trace with hash -188859934, now seen corresponding path program 1 times [2023-11-26 10:47:51,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:51,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434849327] [2023-11-26 10:47:51,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:51,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:51,128 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 10:47:51,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:51,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434849327] [2023-11-26 10:47:51,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434849327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:51,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:51,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:51,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776080767] [2023-11-26 10:47:51,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:51,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:51,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:51,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:51,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:51,145 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 164 [2023-11-26 10:47:51,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 120 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 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 10:47:51,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:51,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 164 [2023-11-26 10:47:51,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:51,242 INFO L124 PetriNetUnfolderBase]: 41/240 cut-off events. [2023-11-26 10:47:51,242 INFO L125 PetriNetUnfolderBase]: For 9/46 co-relation queries the response was YES. [2023-11-26 10:47:51,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 240 events. 41/240 cut-off events. For 9/46 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 598 event pairs, 5 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 293. Up to 47 conditions per place. [2023-11-26 10:47:51,248 INFO L140 encePairwiseOnDemand]: 156/164 looper letters, 22 selfloop transitions, 6 changer transitions 0/129 dead transitions. [2023-11-26 10:47:51,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 129 transitions, 325 flow [2023-11-26 10:47:51,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:51,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:47:51,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2023-11-26 10:47:51,251 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.823170731707317 [2023-11-26 10:47:51,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 405 transitions. [2023-11-26 10:47:51,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 405 transitions. [2023-11-26 10:47:51,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:51,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 405 transitions. [2023-11-26 10:47:51,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 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 10:47:51,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:51,256 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:51,256 INFO L175 Difference]: Start difference. First operand has 121 places, 120 transitions, 248 flow. Second operand 3 states and 405 transitions. [2023-11-26 10:47:51,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 129 transitions, 325 flow [2023-11-26 10:47:51,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 129 transitions, 321 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:47:51,264 INFO L231 Difference]: Finished difference. Result has 121 places, 123 transitions, 284 flow [2023-11-26 10:47:51,265 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=121, PETRI_TRANSITIONS=123} [2023-11-26 10:47:51,267 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -20 predicate places. [2023-11-26 10:47:51,267 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 123 transitions, 284 flow [2023-11-26 10:47:51,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 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 10:47:51,268 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:51,268 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] [2023-11-26 10:47:51,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:47:51,269 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:51,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:51,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1772542143, now seen corresponding path program 1 times [2023-11-26 10:47:51,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:51,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221722119] [2023-11-26 10:47:51,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:51,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:51,330 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 10:47:51,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:51,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221722119] [2023-11-26 10:47:51,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221722119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:51,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:51,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:51,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615179119] [2023-11-26 10:47:51,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:51,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:51,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:51,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:51,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:51,354 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 164 [2023-11-26 10:47:51,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 123 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 10:47:51,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:51,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 164 [2023-11-26 10:47:51,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:51,427 INFO L124 PetriNetUnfolderBase]: 41/227 cut-off events. [2023-11-26 10:47:51,428 INFO L125 PetriNetUnfolderBase]: For 62/99 co-relation queries the response was YES. [2023-11-26 10:47:51,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 227 events. 41/227 cut-off events. For 62/99 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 529 event pairs, 13 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 170. Up to 79 conditions per place. [2023-11-26 10:47:51,431 INFO L140 encePairwiseOnDemand]: 161/164 looper letters, 21 selfloop transitions, 2 changer transitions 0/122 dead transitions. [2023-11-26 10:47:51,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 122 transitions, 328 flow [2023-11-26 10:47:51,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:47:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2023-11-26 10:47:51,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7947154471544715 [2023-11-26 10:47:51,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 391 transitions. [2023-11-26 10:47:51,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 391 transitions. [2023-11-26 10:47:51,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:51,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 391 transitions. [2023-11-26 10:47:51,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 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 10:47:51,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:51,439 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:51,440 INFO L175 Difference]: Start difference. First operand has 121 places, 123 transitions, 284 flow. Second operand 3 states and 391 transitions. [2023-11-26 10:47:51,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 122 transitions, 328 flow [2023-11-26 10:47:51,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 122 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:47:51,445 INFO L231 Difference]: Finished difference. Result has 120 places, 122 transitions, 274 flow [2023-11-26 10:47:51,446 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=120, PETRI_TRANSITIONS=122} [2023-11-26 10:47:51,447 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -21 predicate places. [2023-11-26 10:47:51,447 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 122 transitions, 274 flow [2023-11-26 10:47:51,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 10:47:51,448 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:51,448 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] [2023-11-26 10:47:51,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:47:51,449 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:51,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:51,450 INFO L85 PathProgramCache]: Analyzing trace with hash 820439474, now seen corresponding path program 1 times [2023-11-26 10:47:51,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:51,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459912036] [2023-11-26 10:47:51,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:51,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:51,497 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 10:47:51,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:51,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459912036] [2023-11-26 10:47:51,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459912036] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:51,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:51,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:51,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293296111] [2023-11-26 10:47:51,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:51,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:51,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:51,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:51,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:51,515 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 164 [2023-11-26 10:47:51,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 122 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 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 10:47:51,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:51,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 164 [2023-11-26 10:47:51,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:51,592 INFO L124 PetriNetUnfolderBase]: 41/225 cut-off events. [2023-11-26 10:47:51,592 INFO L125 PetriNetUnfolderBase]: For 28/65 co-relation queries the response was YES. [2023-11-26 10:47:51,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 225 events. 41/225 cut-off events. For 28/65 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 522 event pairs, 9 based on Foata normal form. 1/193 useless extension candidates. Maximal degree in co-relation 311. Up to 61 conditions per place. [2023-11-26 10:47:51,595 INFO L140 encePairwiseOnDemand]: 159/164 looper letters, 27 selfloop transitions, 3 changer transitions 0/128 dead transitions. [2023-11-26 10:47:51,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 128 transitions, 361 flow [2023-11-26 10:47:51,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:47:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2023-11-26 10:47:51,598 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8109756097560976 [2023-11-26 10:47:51,598 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 399 transitions. [2023-11-26 10:47:51,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 399 transitions. [2023-11-26 10:47:51,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:51,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 399 transitions. [2023-11-26 10:47:51,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 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 10:47:51,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:51,604 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:51,604 INFO L175 Difference]: Start difference. First operand has 120 places, 122 transitions, 274 flow. Second operand 3 states and 399 transitions. [2023-11-26 10:47:51,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 128 transitions, 361 flow [2023-11-26 10:47:51,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 128 transitions, 357 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:47:51,608 INFO L231 Difference]: Finished difference. Result has 118 places, 120 transitions, 272 flow [2023-11-26 10:47:51,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=118, PETRI_TRANSITIONS=120} [2023-11-26 10:47:51,610 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -23 predicate places. [2023-11-26 10:47:51,610 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 120 transitions, 272 flow [2023-11-26 10:47:51,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 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 10:47:51,611 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:51,611 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] [2023-11-26 10:47:51,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:47:51,612 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:51,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:51,612 INFO L85 PathProgramCache]: Analyzing trace with hash 735464805, now seen corresponding path program 1 times [2023-11-26 10:47:51,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:51,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926646624] [2023-11-26 10:47:51,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:51,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:51,671 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 10:47:51,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:51,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926646624] [2023-11-26 10:47:51,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926646624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:51,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:51,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:51,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064029308] [2023-11-26 10:47:51,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:51,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:51,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:51,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:51,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:51,688 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 164 [2023-11-26 10:47:51,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 120 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 10:47:51,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:51,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 164 [2023-11-26 10:47:51,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:51,799 INFO L124 PetriNetUnfolderBase]: 41/236 cut-off events. [2023-11-26 10:47:51,799 INFO L125 PetriNetUnfolderBase]: For 33/70 co-relation queries the response was YES. [2023-11-26 10:47:51,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 236 events. 41/236 cut-off events. For 33/70 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 597 event pairs, 13 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 214. Up to 79 conditions per place. [2023-11-26 10:47:51,802 INFO L140 encePairwiseOnDemand]: 161/164 looper letters, 21 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2023-11-26 10:47:51,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 119 transitions, 316 flow [2023-11-26 10:47:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:47:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2023-11-26 10:47:51,805 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7947154471544715 [2023-11-26 10:47:51,806 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 391 transitions. [2023-11-26 10:47:51,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 391 transitions. [2023-11-26 10:47:51,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:51,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 391 transitions. [2023-11-26 10:47:51,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 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 10:47:51,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:51,812 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:51,812 INFO L175 Difference]: Start difference. First operand has 118 places, 120 transitions, 272 flow. Second operand 3 states and 391 transitions. [2023-11-26 10:47:51,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 119 transitions, 316 flow [2023-11-26 10:47:51,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 119 transitions, 310 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:47:51,817 INFO L231 Difference]: Finished difference. Result has 117 places, 119 transitions, 268 flow [2023-11-26 10:47:51,817 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=117, PETRI_TRANSITIONS=119} [2023-11-26 10:47:51,821 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -24 predicate places. [2023-11-26 10:47:51,821 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 119 transitions, 268 flow [2023-11-26 10:47:51,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 10:47:51,822 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:51,823 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:51,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:47:51,823 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:51,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:51,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1420369228, now seen corresponding path program 1 times [2023-11-26 10:47:51,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:51,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229920360] [2023-11-26 10:47:51,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:51,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:52,590 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 10:47:52,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:52,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229920360] [2023-11-26 10:47:52,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229920360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:52,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:52,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:47:52,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522479813] [2023-11-26 10:47:52,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:52,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:47:52,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:52,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:47:52,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:47:52,711 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 164 [2023-11-26 10:47:52,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 119 transitions, 268 flow. Second operand has 6 states, 6 states have (on average 123.5) internal successors, (741), 6 states have internal predecessors, (741), 0 states have call successors, (0), 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 10:47:52,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:52,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 164 [2023-11-26 10:47:52,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:52,919 INFO L124 PetriNetUnfolderBase]: 276/581 cut-off events. [2023-11-26 10:47:52,919 INFO L125 PetriNetUnfolderBase]: For 150/150 co-relation queries the response was YES. [2023-11-26 10:47:52,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 581 events. 276/581 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1938 event pairs, 8 based on Foata normal form. 0/514 useless extension candidates. Maximal degree in co-relation 1156. Up to 150 conditions per place. [2023-11-26 10:47:52,926 INFO L140 encePairwiseOnDemand]: 159/164 looper letters, 72 selfloop transitions, 4 changer transitions 0/170 dead transitions. [2023-11-26 10:47:52,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 170 transitions, 602 flow [2023-11-26 10:47:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:47:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:47:52,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 784 transitions. [2023-11-26 10:47:52,930 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7967479674796748 [2023-11-26 10:47:52,930 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 784 transitions. [2023-11-26 10:47:52,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 784 transitions. [2023-11-26 10:47:52,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:52,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 784 transitions. [2023-11-26 10:47:52,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.66666666666666) internal successors, (784), 6 states have internal predecessors, (784), 0 states have call successors, (0), 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 10:47:52,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 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 10:47:52,938 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 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 10:47:52,938 INFO L175 Difference]: Start difference. First operand has 117 places, 119 transitions, 268 flow. Second operand 6 states and 784 transitions. [2023-11-26 10:47:52,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 170 transitions, 602 flow [2023-11-26 10:47:52,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 170 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:47:52,943 INFO L231 Difference]: Finished difference. Result has 119 places, 118 transitions, 270 flow [2023-11-26 10:47:52,944 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=270, PETRI_PLACES=119, PETRI_TRANSITIONS=118} [2023-11-26 10:47:52,945 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -22 predicate places. [2023-11-26 10:47:52,945 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 118 transitions, 270 flow [2023-11-26 10:47:52,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.5) internal successors, (741), 6 states have internal predecessors, (741), 0 states have call successors, (0), 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 10:47:52,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:52,946 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:52,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 10:47:52,947 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:52,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:52,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1046820852, now seen corresponding path program 1 times [2023-11-26 10:47:52,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:52,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862930942] [2023-11-26 10:47:52,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:53,568 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 10:47:53,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:53,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862930942] [2023-11-26 10:47:53,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862930942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:53,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:53,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:47:53,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609815039] [2023-11-26 10:47:53,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:53,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:47:53,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:53,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:47:53,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:47:53,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 164 [2023-11-26 10:47:53,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 118 transitions, 270 flow. Second operand has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 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 10:47:53,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:53,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 164 [2023-11-26 10:47:53,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:53,806 INFO L124 PetriNetUnfolderBase]: 76/275 cut-off events. [2023-11-26 10:47:53,806 INFO L125 PetriNetUnfolderBase]: For 35/66 co-relation queries the response was YES. [2023-11-26 10:47:53,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 275 events. 76/275 cut-off events. For 35/66 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 697 event pairs, 13 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 366. Up to 74 conditions per place. [2023-11-26 10:47:53,809 INFO L140 encePairwiseOnDemand]: 159/164 looper letters, 40 selfloop transitions, 4 changer transitions 0/137 dead transitions. [2023-11-26 10:47:53,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 137 transitions, 412 flow [2023-11-26 10:47:53,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:47:53,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:47:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 768 transitions. [2023-11-26 10:47:53,814 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7804878048780488 [2023-11-26 10:47:53,815 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 768 transitions. [2023-11-26 10:47:53,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 768 transitions. [2023-11-26 10:47:53,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:53,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 768 transitions. [2023-11-26 10:47:53,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.0) internal successors, (768), 6 states have internal predecessors, (768), 0 states have call successors, (0), 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 10:47:53,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 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 10:47:53,822 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 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 10:47:53,823 INFO L175 Difference]: Start difference. First operand has 119 places, 118 transitions, 270 flow. Second operand 6 states and 768 transitions. [2023-11-26 10:47:53,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 137 transitions, 412 flow [2023-11-26 10:47:53,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 137 transitions, 405 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:47:53,828 INFO L231 Difference]: Finished difference. Result has 119 places, 117 transitions, 269 flow [2023-11-26 10:47:53,829 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=269, PETRI_PLACES=119, PETRI_TRANSITIONS=117} [2023-11-26 10:47:53,832 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -22 predicate places. [2023-11-26 10:47:53,832 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 117 transitions, 269 flow [2023-11-26 10:47:53,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 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 10:47:53,833 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:53,833 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:53,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 10:47:53,834 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:53,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:53,834 INFO L85 PathProgramCache]: Analyzing trace with hash 2003854102, now seen corresponding path program 1 times [2023-11-26 10:47:53,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:53,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158406513] [2023-11-26 10:47:53,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:53,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:53,933 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 10:47:53,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:53,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158406513] [2023-11-26 10:47:53,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158406513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:53,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:53,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:53,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397774598] [2023-11-26 10:47:53,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:53,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:53,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:53,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:53,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:53,959 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 164 [2023-11-26 10:47:53,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 117 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 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 10:47:53,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:53,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 164 [2023-11-26 10:47:53,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:54,017 INFO L124 PetriNetUnfolderBase]: 41/218 cut-off events. [2023-11-26 10:47:54,017 INFO L125 PetriNetUnfolderBase]: For 27/64 co-relation queries the response was YES. [2023-11-26 10:47:54,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 218 events. 41/218 cut-off events. For 27/64 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 488 event pairs, 13 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 303. Up to 74 conditions per place. [2023-11-26 10:47:54,019 INFO L140 encePairwiseOnDemand]: 162/164 looper letters, 18 selfloop transitions, 1 changer transitions 0/116 dead transitions. [2023-11-26 10:47:54,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 116 transitions, 305 flow [2023-11-26 10:47:54,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:54,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:47:54,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 402 transitions. [2023-11-26 10:47:54,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8170731707317073 [2023-11-26 10:47:54,022 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 402 transitions. [2023-11-26 10:47:54,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 402 transitions. [2023-11-26 10:47:54,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:54,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 402 transitions. [2023-11-26 10:47:54,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 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 10:47:54,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:54,027 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:54,027 INFO L175 Difference]: Start difference. First operand has 119 places, 117 transitions, 269 flow. Second operand 3 states and 402 transitions. [2023-11-26 10:47:54,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 116 transitions, 305 flow [2023-11-26 10:47:54,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 116 transitions, 298 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:47:54,031 INFO L231 Difference]: Finished difference. Result has 116 places, 116 transitions, 262 flow [2023-11-26 10:47:54,031 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=116, PETRI_TRANSITIONS=116} [2023-11-26 10:47:54,033 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -25 predicate places. [2023-11-26 10:47:54,033 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 116 transitions, 262 flow [2023-11-26 10:47:54,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 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 10:47:54,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:54,034 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:54,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 10:47:54,034 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:54,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:54,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1077252, now seen corresponding path program 1 times [2023-11-26 10:47:54,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:54,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327834805] [2023-11-26 10:47:54,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:54,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:54,104 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 10:47:54,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:54,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327834805] [2023-11-26 10:47:54,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327834805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:54,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:54,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:54,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722623223] [2023-11-26 10:47:54,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:54,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:54,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:54,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:54,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:54,125 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 164 [2023-11-26 10:47:54,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 116 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 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 10:47:54,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:54,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 164 [2023-11-26 10:47:54,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:54,191 INFO L124 PetriNetUnfolderBase]: 41/216 cut-off events. [2023-11-26 10:47:54,191 INFO L125 PetriNetUnfolderBase]: For 27/64 co-relation queries the response was YES. [2023-11-26 10:47:54,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 216 events. 41/216 cut-off events. For 27/64 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 485 event pairs, 13 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 328. Up to 75 conditions per place. [2023-11-26 10:47:54,194 INFO L140 encePairwiseOnDemand]: 162/164 looper letters, 19 selfloop transitions, 1 changer transitions 0/115 dead transitions. [2023-11-26 10:47:54,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 115 transitions, 300 flow [2023-11-26 10:47:54,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:47:54,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2023-11-26 10:47:54,197 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8130081300813008 [2023-11-26 10:47:54,197 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 400 transitions. [2023-11-26 10:47:54,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 400 transitions. [2023-11-26 10:47:54,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:54,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 400 transitions. [2023-11-26 10:47:54,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 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 10:47:54,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:54,202 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:54,202 INFO L175 Difference]: Start difference. First operand has 116 places, 116 transitions, 262 flow. Second operand 3 states and 400 transitions. [2023-11-26 10:47:54,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 115 transitions, 300 flow [2023-11-26 10:47:54,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 115 transitions, 299 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:47:54,209 INFO L231 Difference]: Finished difference. Result has 116 places, 115 transitions, 261 flow [2023-11-26 10:47:54,211 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=261, PETRI_PLACES=116, PETRI_TRANSITIONS=115} [2023-11-26 10:47:54,212 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -25 predicate places. [2023-11-26 10:47:54,213 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 115 transitions, 261 flow [2023-11-26 10:47:54,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 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 10:47:54,213 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:47:54,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:54,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 10:47:54,214 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2023-11-26 10:47:54,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:54,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1035251825, now seen corresponding path program 1 times [2023-11-26 10:47:54,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:54,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324643618] [2023-11-26 10:47:54,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:54,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:54,282 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 10:47:54,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:54,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324643618] [2023-11-26 10:47:54,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324643618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:54,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:54,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:54,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437136480] [2023-11-26 10:47:54,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:54,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:47:54,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:54,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:47:54,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:47:54,295 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 164 [2023-11-26 10:47:54,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 115 transitions, 261 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 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 10:47:54,296 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:47:54,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 164 [2023-11-26 10:47:54,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:47:54,352 INFO L124 PetriNetUnfolderBase]: 41/214 cut-off events. [2023-11-26 10:47:54,353 INFO L125 PetriNetUnfolderBase]: For 27/64 co-relation queries the response was YES. [2023-11-26 10:47:54,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 214 events. 41/214 cut-off events. For 27/64 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 482 event pairs, 13 based on Foata normal form. 2/190 useless extension candidates. Maximal degree in co-relation 334. Up to 75 conditions per place. [2023-11-26 10:47:54,354 INFO L140 encePairwiseOnDemand]: 162/164 looper letters, 0 selfloop transitions, 0 changer transitions 114/114 dead transitions. [2023-11-26 10:47:54,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 114 transitions, 297 flow [2023-11-26 10:47:54,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:47:54,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:47:54,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2023-11-26 10:47:54,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8109756097560976 [2023-11-26 10:47:54,358 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 399 transitions. [2023-11-26 10:47:54,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 399 transitions. [2023-11-26 10:47:54,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:47:54,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 399 transitions. [2023-11-26 10:47:54,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 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 10:47:54,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:54,363 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 0 states have call successors, (0), 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 10:47:54,364 INFO L175 Difference]: Start difference. First operand has 116 places, 115 transitions, 261 flow. Second operand 3 states and 399 transitions. [2023-11-26 10:47:54,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 114 transitions, 297 flow [2023-11-26 10:47:54,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 114 transitions, 296 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:47:54,367 INFO L231 Difference]: Finished difference. Result has 116 places, 0 transitions, 0 flow [2023-11-26 10:47:54,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=116, PETRI_TRANSITIONS=0} [2023-11-26 10:47:54,368 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -25 predicate places. [2023-11-26 10:47:54,368 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 0 transitions, 0 flow [2023-11-26 10:47:54,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 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 10:47:54,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (44 of 45 remaining) [2023-11-26 10:47:54,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2023-11-26 10:47:54,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2023-11-26 10:47:54,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2023-11-26 10:47:54,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2023-11-26 10:47:54,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2023-11-26 10:47:54,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2023-11-26 10:47:54,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2023-11-26 10:47:54,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2023-11-26 10:47:54,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2023-11-26 10:47:54,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2023-11-26 10:47:54,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2023-11-26 10:47:54,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2023-11-26 10:47:54,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2023-11-26 10:47:54,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2023-11-26 10:47:54,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2023-11-26 10:47:54,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining) [2023-11-26 10:47:54,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2023-11-26 10:47:54,382 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2023-11-26 10:47:54,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2023-11-26 10:47:54,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2023-11-26 10:47:54,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2023-11-26 10:47:54,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2023-11-26 10:47:54,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2023-11-26 10:47:54,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 45 remaining) [2023-11-26 10:47:54,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 45 remaining) [2023-11-26 10:47:54,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (18 of 45 remaining) [2023-11-26 10:47:54,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (17 of 45 remaining) [2023-11-26 10:47:54,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 45 remaining) [2023-11-26 10:47:54,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 45 remaining) [2023-11-26 10:47:54,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2023-11-26 10:47:54,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2023-11-26 10:47:54,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2023-11-26 10:47:54,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2023-11-26 10:47:54,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2023-11-26 10:47:54,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2023-11-26 10:47:54,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2023-11-26 10:47:54,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2023-11-26 10:47:54,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2023-11-26 10:47:54,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2023-11-26 10:47:54,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2023-11-26 10:47:54,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2023-11-26 10:47:54,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2023-11-26 10:47:54,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2023-11-26 10:47:54,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2023-11-26 10:47:54,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 10:47:54,390 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:54,397 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 10:47:54,397 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:47:54,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:47:54 BasicIcfg [2023-11-26 10:47:54,405 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:47:54,405 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:47:54,406 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:47:54,406 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:47:54,406 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:49" (3/4) ... [2023-11-26 10:47:54,408 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:47:54,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 10:47:54,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 10:47:54,421 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-26 10:47:54,422 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 10:47:54,422 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:47:54,423 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:47:54,544 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:47:54,545 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:47:54,545 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:47:54,546 INFO L158 Benchmark]: Toolchain (without parser) took 6103.90ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 120.9MB in the beginning and 81.2MB in the end (delta: 39.6MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2023-11-26 10:47:54,546 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:54,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.13ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 108.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:47:54,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.92ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:54,547 INFO L158 Benchmark]: Boogie Preprocessor took 39.69ms. Allocated memory is still 165.7MB. Free memory was 106.7MB in the beginning and 105.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:47:54,548 INFO L158 Benchmark]: RCFGBuilder took 922.85ms. Allocated memory is still 165.7MB. Free memory was 105.2MB in the beginning and 127.4MB in the end (delta: -22.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 10:47:54,549 INFO L158 Benchmark]: TraceAbstraction took 4493.49ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 126.6MB in the beginning and 86.5MB in the end (delta: 40.1MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2023-11-26 10:47:54,549 INFO L158 Benchmark]: Witness Printer took 139.78ms. Allocated memory is still 199.2MB. Free memory was 86.5MB in the beginning and 81.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:47:54,551 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.13ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 108.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.92ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 106.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.69ms. Allocated memory is still 165.7MB. Free memory was 106.7MB in the beginning and 105.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 922.85ms. Allocated memory is still 165.7MB. Free memory was 105.2MB in the beginning and 127.4MB in the end (delta: -22.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4493.49ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 126.6MB in the beginning and 86.5MB in the end (delta: 40.1MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Witness Printer took 139.78ms. Allocated memory is still 199.2MB. Free memory was 86.5MB in the beginning and 81.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 191 locations, 45 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 286 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 620 IncrementalHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 31 mSDtfsCounter, 620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 627 ConstructedInterpolants, 0 QuantifiedInterpolants, 807 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 28 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:47:54,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea16863e-e5d6-43a6-8d29-bdeae2362e1b/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