./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya --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 55079ed406966de8cb8f01bd4828043af39842b101d9722a0d33cee3b1fc3a52 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:24:57,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:24:58,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:24:58,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:24:58,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:24:58,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:24:58,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:24:58,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:24:58,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:24:58,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:24:58,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:24:58,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:24:58,085 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:24:58,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:24:58,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:24:58,087 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:24:58,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:24:58,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:24:58,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:24:58,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:24:58,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:24:58,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:24:58,091 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:24:58,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:24:58,092 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:24:58,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:24:58,093 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:24:58,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:24:58,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:24:58,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:24:58,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:24:58,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:24:58,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:24:58,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:24:58,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:24:58,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:24:58,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:24:58,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:24:58,098 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:24:58,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:24:58,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:24:58,099 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_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55079ed406966de8cb8f01bd4828043af39842b101d9722a0d33cee3b1fc3a52 [2023-11-29 04:24:58,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:24:58,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:24:58,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:24:58,343 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:24:58,343 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:24:58,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2023-11-29 04:25:01,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:25:01,435 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:25:01,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2023-11-29 04:25:01,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/data/a7466c524/2758c5f3be7d49a0a5fab8a7bc3ad9a0/FLAGaa5e7e039 [2023-11-29 04:25:01,457 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/data/a7466c524/2758c5f3be7d49a0a5fab8a7bc3ad9a0 [2023-11-29 04:25:01,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:25:01,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:25:01,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:25:01,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:25:01,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:25:01,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd822ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01, skipping insertion in model container [2023-11-29 04:25:01,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:25:01,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:25:01,701 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:25:01,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:25:01,755 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:25:01,756 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:25:01,762 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:25:01,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01 WrapperNode [2023-11-29 04:25:01,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:25:01,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:25:01,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:25:01,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:25:01,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,816 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 207 [2023-11-29 04:25:01,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:25:01,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:25:01,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:25:01,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:25:01,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:25:01,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:25:01,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:25:01,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:25:01,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (1/1) ... [2023-11-29 04:25:01,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:25:01,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:25:01,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:25:01,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:25:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:25:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:25:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:25:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 04:25:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 04:25:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 04:25:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 04:25:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 04:25:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 04:25:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 04:25:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 04:25:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 04:25:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:25:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 04:25:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 04:25:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:25:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:25:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:25:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:25:01,959 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 04:25:02,084 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:25:02,085 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:25:02,696 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:25:02,964 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:25:02,964 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-29 04:25:02,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:25:02 BoogieIcfgContainer [2023-11-29 04:25:02,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:25:02,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:25:02,968 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:25:02,971 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:25:02,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:25:01" (1/3) ... [2023-11-29 04:25:02,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677854bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:25:02, skipping insertion in model container [2023-11-29 04:25:02,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:25:01" (2/3) ... [2023-11-29 04:25:02,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677854bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:25:02, skipping insertion in model container [2023-11-29 04:25:02,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:25:02" (3/3) ... [2023-11-29 04:25:02,974 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc.wvr.c [2023-11-29 04:25:02,983 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:25:02,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:25:02,992 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2023-11-29 04:25:02,992 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:25:03,088 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-29 04:25:03,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 274 places, 273 transitions, 574 flow [2023-11-29 04:25:03,242 INFO L124 PetriNetUnfolderBase]: 12/269 cut-off events. [2023-11-29 04:25:03,242 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 04:25:03,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 269 events. 12/269 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 422 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2023-11-29 04:25:03,250 INFO L82 GeneralOperation]: Start removeDead. Operand has 274 places, 273 transitions, 574 flow [2023-11-29 04:25:03,259 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 246 places, 244 transitions, 512 flow [2023-11-29 04:25:03,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:25:03,278 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;@3924bcfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:25:03,278 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2023-11-29 04:25:03,285 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:25:03,285 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2023-11-29 04:25:03,285 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:25:03,285 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:03,286 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] [2023-11-29 04:25:03,286 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:03,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:03,292 INFO L85 PathProgramCache]: Analyzing trace with hash -973730249, now seen corresponding path program 1 times [2023-11-29 04:25:03,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:03,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358102322] [2023-11-29 04:25:03,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:03,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:03,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:03,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358102322] [2023-11-29 04:25:03,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358102322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:03,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:03,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:25:03,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434604557] [2023-11-29 04:25:03,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:03,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:25:03,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:03,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:25:03,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:25:03,590 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 273 [2023-11-29 04:25:03,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 244 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:03,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:03,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 273 [2023-11-29 04:25:03,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:04,092 INFO L124 PetriNetUnfolderBase]: 651/2149 cut-off events. [2023-11-29 04:25:04,092 INFO L125 PetriNetUnfolderBase]: For 223/223 co-relation queries the response was YES. [2023-11-29 04:25:04,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3316 conditions, 2149 events. 651/2149 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 16754 event pairs, 547 based on Foata normal form. 4/1896 useless extension candidates. Maximal degree in co-relation 3059. Up to 909 conditions per place. [2023-11-29 04:25:04,122 INFO L140 encePairwiseOnDemand]: 230/273 looper letters, 24 selfloop transitions, 2 changer transitions 3/203 dead transitions. [2023-11-29 04:25:04,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 203 transitions, 482 flow [2023-11-29 04:25:04,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:25:04,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:25:04,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 676 transitions. [2023-11-29 04:25:04,140 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8253968253968254 [2023-11-29 04:25:04,141 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 676 transitions. [2023-11-29 04:25:04,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 676 transitions. [2023-11-29 04:25:04,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:04,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 676 transitions. [2023-11-29 04:25:04,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:04,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:04,161 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:04,162 INFO L175 Difference]: Start difference. First operand has 246 places, 244 transitions, 512 flow. Second operand 3 states and 676 transitions. [2023-11-29 04:25:04,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 203 transitions, 482 flow [2023-11-29 04:25:04,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 203 transitions, 466 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-29 04:25:04,219 INFO L231 Difference]: Finished difference. Result has 206 places, 200 transitions, 412 flow [2023-11-29 04:25:04,222 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=206, PETRI_TRANSITIONS=200} [2023-11-29 04:25:04,226 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -40 predicate places. [2023-11-29 04:25:04,226 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 200 transitions, 412 flow [2023-11-29 04:25:04,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:04,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:04,228 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] [2023-11-29 04:25:04,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:25:04,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:04,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:04,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1524253862, now seen corresponding path program 1 times [2023-11-29 04:25:04,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:04,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871147164] [2023-11-29 04:25:04,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:04,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:04,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:04,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871147164] [2023-11-29 04:25:04,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871147164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:04,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:04,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:25:04,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950339173] [2023-11-29 04:25:04,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:04,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:25:04,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:04,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:25:04,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:25:04,328 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 273 [2023-11-29 04:25:04,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 200 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:04,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:04,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 273 [2023-11-29 04:25:04,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:04,975 INFO L124 PetriNetUnfolderBase]: 1239/3229 cut-off events. [2023-11-29 04:25:04,975 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2023-11-29 04:25:04,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5157 conditions, 3229 events. 1239/3229 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 26564 event pairs, 1077 based on Foata normal form. 0/3024 useless extension candidates. Maximal degree in co-relation 5124. Up to 1735 conditions per place. [2023-11-29 04:25:05,016 INFO L140 encePairwiseOnDemand]: 267/273 looper letters, 26 selfloop transitions, 1 changer transitions 0/195 dead transitions. [2023-11-29 04:25:05,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 195 transitions, 456 flow [2023-11-29 04:25:05,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:25:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:25:05,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 629 transitions. [2023-11-29 04:25:05,019 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7680097680097681 [2023-11-29 04:25:05,019 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 629 transitions. [2023-11-29 04:25:05,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 629 transitions. [2023-11-29 04:25:05,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:05,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 629 transitions. [2023-11-29 04:25:05,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:05,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:05,026 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:05,026 INFO L175 Difference]: Start difference. First operand has 206 places, 200 transitions, 412 flow. Second operand 3 states and 629 transitions. [2023-11-29 04:25:05,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 195 transitions, 456 flow [2023-11-29 04:25:05,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 195 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:25:05,032 INFO L231 Difference]: Finished difference. Result has 198 places, 195 transitions, 400 flow [2023-11-29 04:25:05,033 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=198, PETRI_TRANSITIONS=195} [2023-11-29 04:25:05,033 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -48 predicate places. [2023-11-29 04:25:05,034 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 195 transitions, 400 flow [2023-11-29 04:25:05,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:05,034 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:05,035 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] [2023-11-29 04:25:05,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:25:05,035 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:05,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:05,036 INFO L85 PathProgramCache]: Analyzing trace with hash -803027690, now seen corresponding path program 1 times [2023-11-29 04:25:05,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:05,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814892456] [2023-11-29 04:25:05,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:05,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:05,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:05,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814892456] [2023-11-29 04:25:05,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814892456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:05,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:05,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:05,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156797713] [2023-11-29 04:25:05,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:05,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:05,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:05,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:05,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:05,844 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 273 [2023-11-29 04:25:05,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 195 transitions, 400 flow. Second operand has 6 states, 6 states have (on average 186.5) internal successors, (1119), 6 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:05,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:05,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 273 [2023-11-29 04:25:05,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:06,597 INFO L124 PetriNetUnfolderBase]: 1027/2330 cut-off events. [2023-11-29 04:25:06,597 INFO L125 PetriNetUnfolderBase]: For 23/83 co-relation queries the response was YES. [2023-11-29 04:25:06,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3876 conditions, 2330 events. 1027/2330 cut-off events. For 23/83 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 16496 event pairs, 993 based on Foata normal form. 0/2126 useless extension candidates. Maximal degree in co-relation 3844. Up to 1485 conditions per place. [2023-11-29 04:25:06,636 INFO L140 encePairwiseOnDemand]: 267/273 looper letters, 40 selfloop transitions, 5 changer transitions 0/194 dead transitions. [2023-11-29 04:25:06,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 194 transitions, 488 flow [2023-11-29 04:25:06,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1156 transitions. [2023-11-29 04:25:06,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7057387057387058 [2023-11-29 04:25:06,643 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1156 transitions. [2023-11-29 04:25:06,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1156 transitions. [2023-11-29 04:25:06,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:06,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1156 transitions. [2023-11-29 04:25:06,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.66666666666666) internal successors, (1156), 6 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:06,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:06,656 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:06,657 INFO L175 Difference]: Start difference. First operand has 198 places, 195 transitions, 400 flow. Second operand 6 states and 1156 transitions. [2023-11-29 04:25:06,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 194 transitions, 488 flow [2023-11-29 04:25:06,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 194 transitions, 487 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:25:06,663 INFO L231 Difference]: Finished difference. Result has 201 places, 194 transitions, 407 flow [2023-11-29 04:25:06,664 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=407, PETRI_PLACES=201, PETRI_TRANSITIONS=194} [2023-11-29 04:25:06,665 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -45 predicate places. [2023-11-29 04:25:06,666 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 194 transitions, 407 flow [2023-11-29 04:25:06,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 186.5) internal successors, (1119), 6 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:06,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:06,667 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] [2023-11-29 04:25:06,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:25:06,668 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:06,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:06,669 INFO L85 PathProgramCache]: Analyzing trace with hash -386935863, now seen corresponding path program 1 times [2023-11-29 04:25:06,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:06,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334017756] [2023-11-29 04:25:06,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:06,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:06,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:06,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334017756] [2023-11-29 04:25:06,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334017756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:06,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:06,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:25:06,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914719918] [2023-11-29 04:25:06,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:06,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:25:06,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:06,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:25:06,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:25:06,738 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 273 [2023-11-29 04:25:06,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 194 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:06,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:06,740 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 273 [2023-11-29 04:25:06,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:06,979 INFO L124 PetriNetUnfolderBase]: 252/1100 cut-off events. [2023-11-29 04:25:06,979 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2023-11-29 04:25:06,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1527 conditions, 1100 events. 252/1100 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 6991 event pairs, 221 based on Foata normal form. 0/1000 useless extension candidates. Maximal degree in co-relation 1509. Up to 364 conditions per place. [2023-11-29 04:25:06,991 INFO L140 encePairwiseOnDemand]: 270/273 looper letters, 19 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2023-11-29 04:25:06,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 193 transitions, 447 flow [2023-11-29 04:25:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:25:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:25:06,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2023-11-29 04:25:06,994 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7887667887667887 [2023-11-29 04:25:06,994 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 646 transitions. [2023-11-29 04:25:06,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 646 transitions. [2023-11-29 04:25:06,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:06,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 646 transitions. [2023-11-29 04:25:06,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:06,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:07,000 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:07,000 INFO L175 Difference]: Start difference. First operand has 201 places, 194 transitions, 407 flow. Second operand 3 states and 646 transitions. [2023-11-29 04:25:07,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 193 transitions, 447 flow [2023-11-29 04:25:07,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 193 transitions, 437 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 04:25:07,005 INFO L231 Difference]: Finished difference. Result has 197 places, 193 transitions, 399 flow [2023-11-29 04:25:07,005 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=197, PETRI_TRANSITIONS=193} [2023-11-29 04:25:07,006 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -49 predicate places. [2023-11-29 04:25:07,007 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 193 transitions, 399 flow [2023-11-29 04:25:07,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:07,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:07,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:07,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:25:07,008 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:07,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:07,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1217355099, now seen corresponding path program 1 times [2023-11-29 04:25:07,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:07,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443722852] [2023-11-29 04:25:07,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:07,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:07,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:07,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:07,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443722852] [2023-11-29 04:25:07,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443722852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:07,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:07,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:07,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492285134] [2023-11-29 04:25:07,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:07,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:07,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:07,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:07,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:07,711 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 273 [2023-11-29 04:25:07,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 193 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 202.83333333333334) internal successors, (1217), 6 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:07,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:07,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 273 [2023-11-29 04:25:07,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:08,513 INFO L124 PetriNetUnfolderBase]: 1632/3336 cut-off events. [2023-11-29 04:25:08,513 INFO L125 PetriNetUnfolderBase]: For 20/22 co-relation queries the response was YES. [2023-11-29 04:25:08,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5652 conditions, 3336 events. 1632/3336 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 22713 event pairs, 584 based on Foata normal form. 2/3055 useless extension candidates. Maximal degree in co-relation 5618. Up to 1220 conditions per place. [2023-11-29 04:25:08,553 INFO L140 encePairwiseOnDemand]: 266/273 looper letters, 59 selfloop transitions, 9 changer transitions 0/233 dead transitions. [2023-11-29 04:25:08,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 233 transitions, 619 flow [2023-11-29 04:25:08,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:08,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1275 transitions. [2023-11-29 04:25:08,559 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7783882783882784 [2023-11-29 04:25:08,559 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1275 transitions. [2023-11-29 04:25:08,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1275 transitions. [2023-11-29 04:25:08,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:08,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1275 transitions. [2023-11-29 04:25:08,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:08,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:08,572 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:08,572 INFO L175 Difference]: Start difference. First operand has 197 places, 193 transitions, 399 flow. Second operand 6 states and 1275 transitions. [2023-11-29 04:25:08,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 233 transitions, 619 flow [2023-11-29 04:25:08,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 233 transitions, 615 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:25:08,579 INFO L231 Difference]: Finished difference. Result has 205 places, 201 transitions, 459 flow [2023-11-29 04:25:08,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=459, PETRI_PLACES=205, PETRI_TRANSITIONS=201} [2023-11-29 04:25:08,581 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -41 predicate places. [2023-11-29 04:25:08,581 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 201 transitions, 459 flow [2023-11-29 04:25:08,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 202.83333333333334) internal successors, (1217), 6 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:08,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:08,582 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:08,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:25:08,583 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:08,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:08,583 INFO L85 PathProgramCache]: Analyzing trace with hash -514058950, now seen corresponding path program 1 times [2023-11-29 04:25:08,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:08,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493965319] [2023-11-29 04:25:08,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:08,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:08,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:08,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493965319] [2023-11-29 04:25:08,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493965319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:08,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:08,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:25:08,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457652286] [2023-11-29 04:25:08,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:08,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:25:08,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:08,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:25:08,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:25:08,942 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 273 [2023-11-29 04:25:08,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 201 transitions, 459 flow. Second operand has 7 states, 7 states have (on average 202.42857142857142) internal successors, (1417), 7 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:08,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:08,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 273 [2023-11-29 04:25:08,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:10,606 INFO L124 PetriNetUnfolderBase]: 2853/7193 cut-off events. [2023-11-29 04:25:10,606 INFO L125 PetriNetUnfolderBase]: For 437/962 co-relation queries the response was YES. [2023-11-29 04:25:10,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12446 conditions, 7193 events. 2853/7193 cut-off events. For 437/962 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 64068 event pairs, 2260 based on Foata normal form. 58/6964 useless extension candidates. Maximal degree in co-relation 12408. Up to 3303 conditions per place. [2023-11-29 04:25:10,699 INFO L140 encePairwiseOnDemand]: 260/273 looper letters, 53 selfloop transitions, 14 changer transitions 0/233 dead transitions. [2023-11-29 04:25:10,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 233 transitions, 668 flow [2023-11-29 04:25:10,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:25:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 04:25:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2064 transitions. [2023-11-29 04:25:10,708 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.756043956043956 [2023-11-29 04:25:10,709 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2064 transitions. [2023-11-29 04:25:10,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2064 transitions. [2023-11-29 04:25:10,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:10,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2064 transitions. [2023-11-29 04:25:10,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 206.4) internal successors, (2064), 10 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:10,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 273.0) internal successors, (3003), 11 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:10,728 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 273.0) internal successors, (3003), 11 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:10,728 INFO L175 Difference]: Start difference. First operand has 205 places, 201 transitions, 459 flow. Second operand 10 states and 2064 transitions. [2023-11-29 04:25:10,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 233 transitions, 668 flow [2023-11-29 04:25:10,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 233 transitions, 668 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:25:10,745 INFO L231 Difference]: Finished difference. Result has 218 places, 208 transitions, 525 flow [2023-11-29 04:25:10,745 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=525, PETRI_PLACES=218, PETRI_TRANSITIONS=208} [2023-11-29 04:25:10,746 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -28 predicate places. [2023-11-29 04:25:10,746 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 208 transitions, 525 flow [2023-11-29 04:25:10,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 202.42857142857142) internal successors, (1417), 7 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:10,748 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:10,748 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:10,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:25:10,748 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:10,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:10,749 INFO L85 PathProgramCache]: Analyzing trace with hash 996443502, now seen corresponding path program 1 times [2023-11-29 04:25:10,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:10,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17806239] [2023-11-29 04:25:10,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:10,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:11,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:11,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17806239] [2023-11-29 04:25:11,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17806239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:11,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:11,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:11,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651757558] [2023-11-29 04:25:11,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:11,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:11,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:11,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:11,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:11,716 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 273 [2023-11-29 04:25:11,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 208 transitions, 525 flow. Second operand has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:11,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:11,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 273 [2023-11-29 04:25:11,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:12,830 INFO L124 PetriNetUnfolderBase]: 1542/4213 cut-off events. [2023-11-29 04:25:12,830 INFO L125 PetriNetUnfolderBase]: For 1680/1720 co-relation queries the response was YES. [2023-11-29 04:25:12,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7995 conditions, 4213 events. 1542/4213 cut-off events. For 1680/1720 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 33248 event pairs, 702 based on Foata normal form. 2/3813 useless extension candidates. Maximal degree in co-relation 7949. Up to 1670 conditions per place. [2023-11-29 04:25:12,874 INFO L140 encePairwiseOnDemand]: 266/273 looper letters, 50 selfloop transitions, 13 changer transitions 0/239 dead transitions. [2023-11-29 04:25:12,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 239 transitions, 740 flow [2023-11-29 04:25:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1262 transitions. [2023-11-29 04:25:12,880 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7704517704517705 [2023-11-29 04:25:12,880 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1262 transitions. [2023-11-29 04:25:12,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1262 transitions. [2023-11-29 04:25:12,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:12,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1262 transitions. [2023-11-29 04:25:12,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.33333333333334) internal successors, (1262), 6 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:12,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:12,892 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:12,892 INFO L175 Difference]: Start difference. First operand has 218 places, 208 transitions, 525 flow. Second operand 6 states and 1262 transitions. [2023-11-29 04:25:12,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 239 transitions, 740 flow [2023-11-29 04:25:12,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 239 transitions, 736 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:25:12,907 INFO L231 Difference]: Finished difference. Result has 227 places, 220 transitions, 635 flow [2023-11-29 04:25:12,908 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=635, PETRI_PLACES=227, PETRI_TRANSITIONS=220} [2023-11-29 04:25:12,908 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -19 predicate places. [2023-11-29 04:25:12,909 INFO L495 AbstractCegarLoop]: Abstraction has has 227 places, 220 transitions, 635 flow [2023-11-29 04:25:12,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:12,910 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:12,910 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:12,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:25:12,910 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:12,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:12,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1636229498, now seen corresponding path program 1 times [2023-11-29 04:25:12,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:12,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933325041] [2023-11-29 04:25:12,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:12,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 04:25:13,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:13,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933325041] [2023-11-29 04:25:13,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933325041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:13,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:13,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:25:13,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625719966] [2023-11-29 04:25:13,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:13,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:25:13,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:13,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:25:13,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:25:14,572 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 273 [2023-11-29 04:25:14,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 220 transitions, 635 flow. Second operand has 13 states, 13 states have (on average 192.07692307692307) internal successors, (2497), 13 states have internal predecessors, (2497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:14,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:14,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 273 [2023-11-29 04:25:14,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:16,216 INFO L124 PetriNetUnfolderBase]: 2368/6732 cut-off events. [2023-11-29 04:25:16,216 INFO L125 PetriNetUnfolderBase]: For 3021/3215 co-relation queries the response was YES. [2023-11-29 04:25:16,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13794 conditions, 6732 events. 2368/6732 cut-off events. For 3021/3215 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 58918 event pairs, 282 based on Foata normal form. 224/6826 useless extension candidates. Maximal degree in co-relation 13744. Up to 1307 conditions per place. [2023-11-29 04:25:16,275 INFO L140 encePairwiseOnDemand]: 259/273 looper letters, 70 selfloop transitions, 17 changer transitions 0/251 dead transitions. [2023-11-29 04:25:16,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 251 transitions, 885 flow [2023-11-29 04:25:16,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:25:16,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 04:25:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2921 transitions. [2023-11-29 04:25:16,288 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7133089133089133 [2023-11-29 04:25:16,288 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2921 transitions. [2023-11-29 04:25:16,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2921 transitions. [2023-11-29 04:25:16,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:16,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2921 transitions. [2023-11-29 04:25:16,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 194.73333333333332) internal successors, (2921), 15 states have internal predecessors, (2921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:16,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:16,315 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:16,315 INFO L175 Difference]: Start difference. First operand has 227 places, 220 transitions, 635 flow. Second operand 15 states and 2921 transitions. [2023-11-29 04:25:16,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 251 transitions, 885 flow [2023-11-29 04:25:16,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 251 transitions, 878 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:25:16,397 INFO L231 Difference]: Finished difference. Result has 239 places, 219 transitions, 658 flow [2023-11-29 04:25:16,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=658, PETRI_PLACES=239, PETRI_TRANSITIONS=219} [2023-11-29 04:25:16,399 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -7 predicate places. [2023-11-29 04:25:16,399 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 219 transitions, 658 flow [2023-11-29 04:25:16,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 192.07692307692307) internal successors, (2497), 13 states have internal predecessors, (2497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:16,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:16,401 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:16,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:25:16,401 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:16,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:16,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2053417918, now seen corresponding path program 1 times [2023-11-29 04:25:16,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:16,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012884490] [2023-11-29 04:25:16,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:16,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:16,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:16,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012884490] [2023-11-29 04:25:16,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012884490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:16,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:16,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:16,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629404994] [2023-11-29 04:25:16,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:16,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:16,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:16,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:16,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:17,251 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 273 [2023-11-29 04:25:17,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 219 transitions, 658 flow. Second operand has 6 states, 6 states have (on average 203.83333333333334) internal successors, (1223), 6 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:17,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:17,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 273 [2023-11-29 04:25:17,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:18,183 INFO L124 PetriNetUnfolderBase]: 1386/4076 cut-off events. [2023-11-29 04:25:18,183 INFO L125 PetriNetUnfolderBase]: For 3837/3887 co-relation queries the response was YES. [2023-11-29 04:25:18,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8487 conditions, 4076 events. 1386/4076 cut-off events. For 3837/3887 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 32249 event pairs, 704 based on Foata normal form. 0/3648 useless extension candidates. Maximal degree in co-relation 8437. Up to 1703 conditions per place. [2023-11-29 04:25:18,231 INFO L140 encePairwiseOnDemand]: 266/273 looper letters, 45 selfloop transitions, 17 changer transitions 0/241 dead transitions. [2023-11-29 04:25:18,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 241 transitions, 896 flow [2023-11-29 04:25:18,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:18,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:18,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1249 transitions. [2023-11-29 04:25:18,236 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7625152625152625 [2023-11-29 04:25:18,236 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1249 transitions. [2023-11-29 04:25:18,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1249 transitions. [2023-11-29 04:25:18,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:18,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1249 transitions. [2023-11-29 04:25:18,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:18,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:18,245 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:18,245 INFO L175 Difference]: Start difference. First operand has 239 places, 219 transitions, 658 flow. Second operand 6 states and 1249 transitions. [2023-11-29 04:25:18,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 241 transitions, 896 flow [2023-11-29 04:25:18,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 241 transitions, 864 flow, removed 0 selfloop flow, removed 13 redundant places. [2023-11-29 04:25:18,260 INFO L231 Difference]: Finished difference. Result has 236 places, 235 transitions, 810 flow [2023-11-29 04:25:18,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=810, PETRI_PLACES=236, PETRI_TRANSITIONS=235} [2023-11-29 04:25:18,261 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -10 predicate places. [2023-11-29 04:25:18,262 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 235 transitions, 810 flow [2023-11-29 04:25:18,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.83333333333334) internal successors, (1223), 6 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:18,264 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:18,264 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:18,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:25:18,265 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:18,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:18,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1836679665, now seen corresponding path program 1 times [2023-11-29 04:25:18,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:18,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199837258] [2023-11-29 04:25:18,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:18,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:18,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:18,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:18,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199837258] [2023-11-29 04:25:18,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199837258] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:25:18,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710607836] [2023-11-29 04:25:18,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:18,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:25:18,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:25:18,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:25:18,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:25:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:18,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:25:18,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:25:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:18,945 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:25:19,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:19,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710607836] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:25:19,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:25:19,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-11-29 04:25:19,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091859664] [2023-11-29 04:25:19,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:19,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:25:19,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:19,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:25:19,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:25:19,355 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 273 [2023-11-29 04:25:19,358 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 235 transitions, 810 flow. Second operand has 7 states, 7 states have (on average 201.28571428571428) internal successors, (1409), 7 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:19,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:19,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 273 [2023-11-29 04:25:19,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:20,748 INFO L124 PetriNetUnfolderBase]: 2292/6698 cut-off events. [2023-11-29 04:25:20,748 INFO L125 PetriNetUnfolderBase]: For 6021/6076 co-relation queries the response was YES. [2023-11-29 04:25:20,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13725 conditions, 6698 events. 2292/6698 cut-off events. For 6021/6076 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 59406 event pairs, 1364 based on Foata normal form. 0/5863 useless extension candidates. Maximal degree in co-relation 13672. Up to 1782 conditions per place. [2023-11-29 04:25:20,819 INFO L140 encePairwiseOnDemand]: 262/273 looper letters, 91 selfloop transitions, 12 changer transitions 0/276 dead transitions. [2023-11-29 04:25:20,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 276 transitions, 1135 flow [2023-11-29 04:25:20,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:25:20,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-29 04:25:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1659 transitions. [2023-11-29 04:25:20,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7596153846153846 [2023-11-29 04:25:20,827 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1659 transitions. [2023-11-29 04:25:20,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1659 transitions. [2023-11-29 04:25:20,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:20,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1659 transitions. [2023-11-29 04:25:20,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 207.375) internal successors, (1659), 8 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:20,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 273.0) internal successors, (2457), 9 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:20,839 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 273.0) internal successors, (2457), 9 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:20,839 INFO L175 Difference]: Start difference. First operand has 236 places, 235 transitions, 810 flow. Second operand 8 states and 1659 transitions. [2023-11-29 04:25:20,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 276 transitions, 1135 flow [2023-11-29 04:25:20,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 276 transitions, 1135 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:25:20,865 INFO L231 Difference]: Finished difference. Result has 246 places, 240 transitions, 862 flow [2023-11-29 04:25:20,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=862, PETRI_PLACES=246, PETRI_TRANSITIONS=240} [2023-11-29 04:25:20,867 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, 0 predicate places. [2023-11-29 04:25:20,867 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 240 transitions, 862 flow [2023-11-29 04:25:20,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 201.28571428571428) internal successors, (1409), 7 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:20,868 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:20,868 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:20,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:25:21,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 04:25:21,069 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:21,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:21,070 INFO L85 PathProgramCache]: Analyzing trace with hash 716240253, now seen corresponding path program 1 times [2023-11-29 04:25:21,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:21,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162687805] [2023-11-29 04:25:21,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:21,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 04:25:21,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:21,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162687805] [2023-11-29 04:25:21,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162687805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:21,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:21,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:25:21,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722350337] [2023-11-29 04:25:21,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:21,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:25:21,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:21,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:25:21,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:25:22,868 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 273 [2023-11-29 04:25:22,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 240 transitions, 862 flow. Second operand has 13 states, 13 states have (on average 192.3846153846154) internal successors, (2501), 13 states have internal predecessors, (2501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:22,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:22,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 273 [2023-11-29 04:25:22,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:24,109 INFO L124 PetriNetUnfolderBase]: 1568/4602 cut-off events. [2023-11-29 04:25:24,109 INFO L125 PetriNetUnfolderBase]: For 4875/4915 co-relation queries the response was YES. [2023-11-29 04:25:24,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10131 conditions, 4602 events. 1568/4602 cut-off events. For 4875/4915 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 36494 event pairs, 642 based on Foata normal form. 8/4275 useless extension candidates. Maximal degree in co-relation 10073. Up to 1386 conditions per place. [2023-11-29 04:25:24,152 INFO L140 encePairwiseOnDemand]: 259/273 looper letters, 70 selfloop transitions, 17 changer transitions 0/259 dead transitions. [2023-11-29 04:25:24,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 259 transitions, 1096 flow [2023-11-29 04:25:24,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:25:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 04:25:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2909 transitions. [2023-11-29 04:25:24,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7103785103785104 [2023-11-29 04:25:24,162 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2909 transitions. [2023-11-29 04:25:24,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2909 transitions. [2023-11-29 04:25:24,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:24,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2909 transitions. [2023-11-29 04:25:24,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 193.93333333333334) internal successors, (2909), 15 states have internal predecessors, (2909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:24,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:24,183 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:24,183 INFO L175 Difference]: Start difference. First operand has 246 places, 240 transitions, 862 flow. Second operand 15 states and 2909 transitions. [2023-11-29 04:25:24,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 259 transitions, 1096 flow [2023-11-29 04:25:24,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 259 transitions, 1076 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 04:25:24,203 INFO L231 Difference]: Finished difference. Result has 256 places, 239 transitions, 872 flow [2023-11-29 04:25:24,204 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=872, PETRI_PLACES=256, PETRI_TRANSITIONS=239} [2023-11-29 04:25:24,205 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, 10 predicate places. [2023-11-29 04:25:24,205 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 239 transitions, 872 flow [2023-11-29 04:25:24,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 192.3846153846154) internal successors, (2501), 13 states have internal predecessors, (2501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:24,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:24,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:24,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:25:24,207 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:24,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:24,207 INFO L85 PathProgramCache]: Analyzing trace with hash 485408498, now seen corresponding path program 1 times [2023-11-29 04:25:24,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:24,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326402842] [2023-11-29 04:25:24,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:24,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:24,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:24,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326402842] [2023-11-29 04:25:24,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326402842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:24,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:24,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:25:24,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853197714] [2023-11-29 04:25:24,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:24,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:25:24,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:24,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:25:24,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:25:25,042 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 273 [2023-11-29 04:25:25,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 239 transitions, 872 flow. Second operand has 6 states, 6 states have (on average 204.0) internal successors, (1224), 6 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:25,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:25,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 273 [2023-11-29 04:25:25,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:25,847 INFO L124 PetriNetUnfolderBase]: 1383/4092 cut-off events. [2023-11-29 04:25:25,847 INFO L125 PetriNetUnfolderBase]: For 5338/5390 co-relation queries the response was YES. [2023-11-29 04:25:25,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9015 conditions, 4092 events. 1383/4092 cut-off events. For 5338/5390 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 31920 event pairs, 707 based on Foata normal form. 0/3687 useless extension candidates. Maximal degree in co-relation 8957. Up to 1705 conditions per place. [2023-11-29 04:25:25,895 INFO L140 encePairwiseOnDemand]: 268/273 looper letters, 51 selfloop transitions, 4 changer transitions 0/242 dead transitions. [2023-11-29 04:25:25,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 242 transitions, 988 flow [2023-11-29 04:25:25,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:25:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:25:25,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1238 transitions. [2023-11-29 04:25:25,900 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7557997557997558 [2023-11-29 04:25:25,900 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1238 transitions. [2023-11-29 04:25:25,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1238 transitions. [2023-11-29 04:25:25,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:25,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1238 transitions. [2023-11-29 04:25:25,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 206.33333333333334) internal successors, (1238), 6 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:25,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:25,909 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 273.0) internal successors, (1911), 7 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:25,909 INFO L175 Difference]: Start difference. First operand has 256 places, 239 transitions, 872 flow. Second operand 6 states and 1238 transitions. [2023-11-29 04:25:25,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 242 transitions, 988 flow [2023-11-29 04:25:25,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 242 transitions, 956 flow, removed 0 selfloop flow, removed 13 redundant places. [2023-11-29 04:25:25,926 INFO L231 Difference]: Finished difference. Result has 247 places, 238 transitions, 846 flow [2023-11-29 04:25:25,926 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=846, PETRI_PLACES=247, PETRI_TRANSITIONS=238} [2023-11-29 04:25:25,927 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, 1 predicate places. [2023-11-29 04:25:25,927 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 238 transitions, 846 flow [2023-11-29 04:25:25,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.0) internal successors, (1224), 6 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:25,928 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:25,928 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:25,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:25:25,929 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:25,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:25,929 INFO L85 PathProgramCache]: Analyzing trace with hash 879830183, now seen corresponding path program 1 times [2023-11-29 04:25:25,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:25,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904733717] [2023-11-29 04:25:25,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:25,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:25:26,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:26,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904733717] [2023-11-29 04:25:26,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904733717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:26,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:26,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:25:26,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263172824] [2023-11-29 04:25:26,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:26,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:25:26,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:26,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:25:26,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:25:26,022 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 273 [2023-11-29 04:25:26,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 238 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:26,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:26,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 273 [2023-11-29 04:25:26,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:26,766 INFO L124 PetriNetUnfolderBase]: 1358/4057 cut-off events. [2023-11-29 04:25:26,766 INFO L125 PetriNetUnfolderBase]: For 5311/5364 co-relation queries the response was YES. [2023-11-29 04:25:26,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8879 conditions, 4057 events. 1358/4057 cut-off events. For 5311/5364 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 31890 event pairs, 707 based on Foata normal form. 5/3658 useless extension candidates. Maximal degree in co-relation 8824. Up to 1700 conditions per place. [2023-11-29 04:25:26,808 INFO L140 encePairwiseOnDemand]: 271/273 looper letters, 38 selfloop transitions, 0 changer transitions 20/237 dead transitions. [2023-11-29 04:25:26,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 237 transitions, 926 flow [2023-11-29 04:25:26,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:25:26,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:25:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 654 transitions. [2023-11-29 04:25:26,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7985347985347986 [2023-11-29 04:25:26,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 654 transitions. [2023-11-29 04:25:26,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 654 transitions. [2023-11-29 04:25:26,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:26,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 654 transitions. [2023-11-29 04:25:26,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.0) internal successors, (654), 3 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:26,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:26,814 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 273.0) internal successors, (1092), 4 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:26,814 INFO L175 Difference]: Start difference. First operand has 247 places, 238 transitions, 846 flow. Second operand 3 states and 654 transitions. [2023-11-29 04:25:26,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 237 transitions, 926 flow [2023-11-29 04:25:26,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 237 transitions, 919 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 04:25:26,828 INFO L231 Difference]: Finished difference. Result has 244 places, 217 transitions, 765 flow [2023-11-29 04:25:26,829 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=837, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=765, PETRI_PLACES=244, PETRI_TRANSITIONS=217} [2023-11-29 04:25:26,830 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -2 predicate places. [2023-11-29 04:25:26,830 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 217 transitions, 765 flow [2023-11-29 04:25:26,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:26,830 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:26,831 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:26,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:25:26,831 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:26,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:26,832 INFO L85 PathProgramCache]: Analyzing trace with hash -791455105, now seen corresponding path program 1 times [2023-11-29 04:25:26,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:26,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738231609] [2023-11-29 04:25:26,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:26,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 04:25:27,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:27,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738231609] [2023-11-29 04:25:27,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738231609] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:25:27,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145547235] [2023-11-29 04:25:27,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:27,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:25:27,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:25:27,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:25:27,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:25:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:27,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:25:27,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:25:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 04:25:27,429 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:25:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 04:25:27,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145547235] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:25:27,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:25:27,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-11-29 04:25:27,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574691375] [2023-11-29 04:25:27,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:27,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:25:27,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:27,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:25:27,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:25:27,781 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 273 [2023-11-29 04:25:27,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 217 transitions, 765 flow. Second operand has 7 states, 7 states have (on average 201.85714285714286) internal successors, (1413), 7 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:27,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:27,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 273 [2023-11-29 04:25:27,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:28,863 INFO L124 PetriNetUnfolderBase]: 2269/4773 cut-off events. [2023-11-29 04:25:28,863 INFO L125 PetriNetUnfolderBase]: For 8086/8281 co-relation queries the response was YES. [2023-11-29 04:25:28,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11934 conditions, 4773 events. 2269/4773 cut-off events. For 8086/8281 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 36157 event pairs, 922 based on Foata normal form. 0/4264 useless extension candidates. Maximal degree in co-relation 11910. Up to 1936 conditions per place. [2023-11-29 04:25:28,916 INFO L140 encePairwiseOnDemand]: 265/273 looper letters, 71 selfloop transitions, 7 changer transitions 0/238 dead transitions. [2023-11-29 04:25:28,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 238 transitions, 1043 flow [2023-11-29 04:25:28,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:25:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-29 04:25:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1428 transitions. [2023-11-29 04:25:28,921 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7472527472527473 [2023-11-29 04:25:28,921 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1428 transitions. [2023-11-29 04:25:28,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1428 transitions. [2023-11-29 04:25:28,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:28,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1428 transitions. [2023-11-29 04:25:28,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 204.0) internal successors, (1428), 7 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:28,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 273.0) internal successors, (2184), 8 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:28,927 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 273.0) internal successors, (2184), 8 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:28,927 INFO L175 Difference]: Start difference. First operand has 244 places, 217 transitions, 765 flow. Second operand 7 states and 1428 transitions. [2023-11-29 04:25:28,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 238 transitions, 1043 flow [2023-11-29 04:25:28,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 238 transitions, 1018 flow, removed 4 selfloop flow, removed 8 redundant places. [2023-11-29 04:25:28,941 INFO L231 Difference]: Finished difference. Result has 226 places, 218 transitions, 767 flow [2023-11-29 04:25:28,941 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=767, PETRI_PLACES=226, PETRI_TRANSITIONS=218} [2023-11-29 04:25:28,942 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -20 predicate places. [2023-11-29 04:25:28,942 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 218 transitions, 767 flow [2023-11-29 04:25:28,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 201.85714285714286) internal successors, (1413), 7 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:28,942 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:25:28,943 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:28,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:25:29,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 04:25:29,144 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2023-11-29 04:25:29,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:25:29,144 INFO L85 PathProgramCache]: Analyzing trace with hash 968342587, now seen corresponding path program 1 times [2023-11-29 04:25:29,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:25:29,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122171452] [2023-11-29 04:25:29,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:25:29,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:25:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:25:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 04:25:30,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:25:30,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122171452] [2023-11-29 04:25:30,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122171452] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:25:30,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:25:30,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 04:25:30,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550029338] [2023-11-29 04:25:30,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:25:30,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:25:30,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:25:30,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:25:30,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:25:30,894 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 273 [2023-11-29 04:25:30,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 218 transitions, 767 flow. Second operand has 13 states, 13 states have (on average 192.69230769230768) internal successors, (2505), 13 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:30,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:25:30,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 273 [2023-11-29 04:25:30,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:25:31,772 INFO L124 PetriNetUnfolderBase]: 1045/3283 cut-off events. [2023-11-29 04:25:31,773 INFO L125 PetriNetUnfolderBase]: For 3926/3974 co-relation queries the response was YES. [2023-11-29 04:25:31,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7287 conditions, 3283 events. 1045/3283 cut-off events. For 3926/3974 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 25986 event pairs, 579 based on Foata normal form. 2/2924 useless extension candidates. Maximal degree in co-relation 7265. Up to 1227 conditions per place. [2023-11-29 04:25:31,790 INFO L140 encePairwiseOnDemand]: 259/273 looper letters, 0 selfloop transitions, 0 changer transitions 225/225 dead transitions. [2023-11-29 04:25:31,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 225 transitions, 947 flow [2023-11-29 04:25:31,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:25:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-29 04:25:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2895 transitions. [2023-11-29 04:25:31,797 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.706959706959707 [2023-11-29 04:25:31,797 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2895 transitions. [2023-11-29 04:25:31,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2895 transitions. [2023-11-29 04:25:31,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:25:31,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2895 transitions. [2023-11-29 04:25:31,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 193.0) internal successors, (2895), 15 states have internal predecessors, (2895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:31,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:31,808 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 273.0) internal successors, (4368), 16 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:31,808 INFO L175 Difference]: Start difference. First operand has 226 places, 218 transitions, 767 flow. Second operand 15 states and 2895 transitions. [2023-11-29 04:25:31,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 225 transitions, 947 flow [2023-11-29 04:25:31,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 225 transitions, 932 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 04:25:31,816 INFO L231 Difference]: Finished difference. Result has 233 places, 0 transitions, 0 flow [2023-11-29 04:25:31,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=273, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=0, PETRI_PLACES=233, PETRI_TRANSITIONS=0} [2023-11-29 04:25:31,817 INFO L281 CegarLoopForPetriNet]: 246 programPoint places, -13 predicate places. [2023-11-29 04:25:31,817 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 0 transitions, 0 flow [2023-11-29 04:25:31,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 192.69230769230768) internal successors, (2505), 13 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:25:31,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (85 of 86 remaining) [2023-11-29 04:25:31,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (84 of 86 remaining) [2023-11-29 04:25:31,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (83 of 86 remaining) [2023-11-29 04:25:31,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (82 of 86 remaining) [2023-11-29 04:25:31,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (81 of 86 remaining) [2023-11-29 04:25:31,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (80 of 86 remaining) [2023-11-29 04:25:31,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 86 remaining) [2023-11-29 04:25:31,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (78 of 86 remaining) [2023-11-29 04:25:31,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (77 of 86 remaining) [2023-11-29 04:25:31,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (76 of 86 remaining) [2023-11-29 04:25:31,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (75 of 86 remaining) [2023-11-29 04:25:31,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (74 of 86 remaining) [2023-11-29 04:25:31,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (73 of 86 remaining) [2023-11-29 04:25:31,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (72 of 86 remaining) [2023-11-29 04:25:31,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (71 of 86 remaining) [2023-11-29 04:25:31,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 86 remaining) [2023-11-29 04:25:31,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (69 of 86 remaining) [2023-11-29 04:25:31,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (68 of 86 remaining) [2023-11-29 04:25:31,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (67 of 86 remaining) [2023-11-29 04:25:31,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (66 of 86 remaining) [2023-11-29 04:25:31,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 86 remaining) [2023-11-29 04:25:31,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 86 remaining) [2023-11-29 04:25:31,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 86 remaining) [2023-11-29 04:25:31,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (62 of 86 remaining) [2023-11-29 04:25:31,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 86 remaining) [2023-11-29 04:25:31,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 86 remaining) [2023-11-29 04:25:31,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 86 remaining) [2023-11-29 04:25:31,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 86 remaining) [2023-11-29 04:25:31,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 86 remaining) [2023-11-29 04:25:31,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 86 remaining) [2023-11-29 04:25:31,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 86 remaining) [2023-11-29 04:25:31,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 86 remaining) [2023-11-29 04:25:31,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 86 remaining) [2023-11-29 04:25:31,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 86 remaining) [2023-11-29 04:25:31,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 86 remaining) [2023-11-29 04:25:31,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 86 remaining) [2023-11-29 04:25:31,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 86 remaining) [2023-11-29 04:25:31,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 86 remaining) [2023-11-29 04:25:31,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 86 remaining) [2023-11-29 04:25:31,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (46 of 86 remaining) [2023-11-29 04:25:31,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 86 remaining) [2023-11-29 04:25:31,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 86 remaining) [2023-11-29 04:25:31,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 86 remaining) [2023-11-29 04:25:31,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 86 remaining) [2023-11-29 04:25:31,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (41 of 86 remaining) [2023-11-29 04:25:31,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (40 of 86 remaining) [2023-11-29 04:25:31,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (39 of 86 remaining) [2023-11-29 04:25:31,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (38 of 86 remaining) [2023-11-29 04:25:31,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (37 of 86 remaining) [2023-11-29 04:25:31,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (36 of 86 remaining) [2023-11-29 04:25:31,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 86 remaining) [2023-11-29 04:25:31,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 86 remaining) [2023-11-29 04:25:31,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 86 remaining) [2023-11-29 04:25:31,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 86 remaining) [2023-11-29 04:25:31,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 86 remaining) [2023-11-29 04:25:31,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 86 remaining) [2023-11-29 04:25:31,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 86 remaining) [2023-11-29 04:25:31,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 86 remaining) [2023-11-29 04:25:31,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (27 of 86 remaining) [2023-11-29 04:25:31,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (26 of 86 remaining) [2023-11-29 04:25:31,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (25 of 86 remaining) [2023-11-29 04:25:31,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (24 of 86 remaining) [2023-11-29 04:25:31,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 86 remaining) [2023-11-29 04:25:31,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 86 remaining) [2023-11-29 04:25:31,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 86 remaining) [2023-11-29 04:25:31,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 86 remaining) [2023-11-29 04:25:31,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 86 remaining) [2023-11-29 04:25:31,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 86 remaining) [2023-11-29 04:25:31,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 86 remaining) [2023-11-29 04:25:31,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 86 remaining) [2023-11-29 04:25:31,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 86 remaining) [2023-11-29 04:25:31,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 86 remaining) [2023-11-29 04:25:31,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 86 remaining) [2023-11-29 04:25:31,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (12 of 86 remaining) [2023-11-29 04:25:31,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 86 remaining) [2023-11-29 04:25:31,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 86 remaining) [2023-11-29 04:25:31,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 86 remaining) [2023-11-29 04:25:31,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 86 remaining) [2023-11-29 04:25:31,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 86 remaining) [2023-11-29 04:25:31,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 86 remaining) [2023-11-29 04:25:31,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (5 of 86 remaining) [2023-11-29 04:25:31,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (4 of 86 remaining) [2023-11-29 04:25:31,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (3 of 86 remaining) [2023-11-29 04:25:31,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (2 of 86 remaining) [2023-11-29 04:25:31,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (1 of 86 remaining) [2023-11-29 04:25:31,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (0 of 86 remaining) [2023-11-29 04:25:31,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 04:25:31,834 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:25:31,841 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 04:25:31,841 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:25:31,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:25:31 BasicIcfg [2023-11-29 04:25:31,848 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:25:31,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:25:31,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:25:31,849 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:25:31,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:25:02" (3/4) ... [2023-11-29 04:25:31,851 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:25:31,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 04:25:31,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 04:25:31,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 04:25:31,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-29 04:25:31,862 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-29 04:25:31,863 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:25:31,863 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:25:31,864 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:25:31,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:25:31,963 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:25:31,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:25:31,964 INFO L158 Benchmark]: Toolchain (without parser) took 30502.64ms. Allocated memory was 140.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 103.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 252.9MB. Max. memory is 16.1GB. [2023-11-29 04:25:31,964 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:25:31,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.20ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 89.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:25:31,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.58ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 87.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:25:31,966 INFO L158 Benchmark]: Boogie Preprocessor took 61.48ms. Allocated memory is still 140.5MB. Free memory was 87.4MB in the beginning and 84.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:25:31,966 INFO L158 Benchmark]: RCFGBuilder took 1086.11ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 84.2MB in the beginning and 98.6MB in the end (delta: -14.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-29 04:25:31,967 INFO L158 Benchmark]: TraceAbstraction took 28879.79ms. Allocated memory was 182.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 97.5MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-11-29 04:25:31,967 INFO L158 Benchmark]: Witness Printer took 114.46ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:25:31,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.20ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 89.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.58ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 87.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.48ms. Allocated memory is still 140.5MB. Free memory was 87.4MB in the beginning and 84.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1086.11ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 84.2MB in the beginning and 98.6MB in the end (delta: -14.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 28879.79ms. Allocated memory was 182.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 97.5MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 114.46ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 350 locations, 86 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: 28.7s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2396 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1793 mSDsluCounter, 3725 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3668 mSDsCounter, 516 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7494 IncrementalHoareTripleChecker+Invalid, 8010 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 516 mSolverCounterUnsat, 57 mSDtfsCounter, 7494 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 743 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=872occurred in iteration=11, InterpolantAutomatonStates: 112, 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, 0.4s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 1991 NumberOfCodeBlocks, 1991 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2273 ConstructedInterpolants, 0 QuantifiedInterpolants, 6282 SizeOfPredicates, 10 NumberOfNonLiveVariables, 942 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 19 InterpolantComputations, 15 PerfectInterpolantSequences, 23/27 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 46 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 04:25:31,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b518a8-a332-4868-99ea-9c160b15ecc9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE